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School: Cornell
MAE 3780 MECHATRONICS FALL 2009 S O L U T I O N S : O P T I O NA L D I O D E P RO B L E M S P ROBLEMS: 1) Given: Determine which diodes are reversed biased and which are forward biased in the circuits (a), (b), and (c) shown below. Also determine the valu
School: Cornell
Course: Finite Element Analysis For Mechanical And Aerospace Design
MAE 4700/5700 (Fall 2012) Exam 1 October 16th, 7:30-9:30 pm Write in capital letters your full name and ID number on the front of the exam book. Closed books & notes. No electronic devises will be allowed during the exam Violators will be penalized follow
School: Cornell
Course: Future Energy Systems
MAE 5010 HW1 Solution 1) [25 pts] All the key points are listed on the graph. The discussion student wrote should include all the key points in order to receive full credits. 2) [15 pts] A power
School: Cornell
Course: Automotive Engineering
School: Cornell
Course: Automotive Engineering
School: Cornell
Course: Automotive Engineering
Enthalpy of formation is H= H products- H reactants Here H is the extensive (not intensive enthalpy), which is to say it is different for CO -> C+ O2 vs. 2CO -> 2C+ O2 In general, we can find the enthalpy of reaction H= H products- H reactants = nihi- njh
School: Cornell
Course: Automotive Engineering
Straight Line Motion 1. Units (SI units) a. mass: kg b. length: m c. time: second 2. Laws of motion a. F=0 b. F= ma c. work= Fd d. power= Fd/t 3. Free body of diagrams a. L: wheelbase b. l1: distance from the front wheel center rearward to the center of g
School: Cornell
Course: Engrd 202
Ga-in (Jenny Lee) ARTH 1131 Essay 2 Formal analysis of an object in the Johnson Museum of Art Comparison The Fields in the Month of June (Les Champs au mois de juin) by Charles-Francois Daubigny depicts the landscape realistically, is easily discernable,
School: Cornell
ATOMISTIC MODELING OF MATERIALS , MAE715, Course Project, 2007 Study of Pentacene clustering using Atomistics and KMC simulations Krishna Iyengar kai8@cornell.edu Department of Theoretical and Applied Mechanics, Kimball Hall, Cornell University, Ith
School: Cornell
Course: Automotive Engineering
Fundamentals What are some of the things you need to know from physics and statics? I. Units. Engineers use SI units. Mass: kg, Length: meter Time: second II. Newtons Laws of Motion Lex I: Corpus omne perseverare in statu suo quiescendi vel movendi unifor
School: Cornell
Course: Automotive Engineering
R nought Sigma Nought Tau Nought 0.508704 0.508704 0.06839 0.06839 0.155492 0.155492 R Phi 0.650802 0.650802 0.060559 0.060559 Tiny Square 0.341407 0.341407 Sigma Diff -1.03028 Small Square 0.155176 0.155176 Sigma Diff 2 0.033632 0.866678 Tau Diff 2 Big S
School: Cornell
Course: Automotive Engineering
Fundamentals What are some of the things you need to know from physics and statics? I. Units. Engineers use SI units. Mass: kg, Length: meter Time: second II. Newtons Laws of Motion Lex I: Corpus omne perseverare in statu suo quiescendi vel movendi unifor
School: Cornell
Course: Automotive Engineering
Straight Line Motion Section Three Braking (cont.) Previously, we had the force on the front tires under acceleration, aerodynamic loading, and grade loading as Wf mgl2 cos FL h mah hmg sin L (1.3.1) For the purposes of this analysis, we will consider o
School: Cornell
Course: Automotive Engineering
Straight Line Motion Section Two A powerful engine is of no use if the tires merely spin. Lets look at the traction available for our car. First lets define some variables. We have already defined the resisting loads due to aerodynamic drag, rolling resis
School: Cornell
Course: Mechanical Synthesis
Introduction to MAE 2250 Introduction to MAE 2250 Machine Components The Text: A reference for your whole life Also used in my Senior Product Design course Managing the Design Process Introduction to MAE 2250 Shepherd: Expert in advanced materials and mac
School: Cornell
Course: Finite Element Analysis For Mechanical And Aerospace Design
MAE 4700/5700 (Fall 2012) Exam 1 October 16th, 7:30-9:30 pm Write in capital letters your full name and ID number on the front of the exam book. Closed books & notes. No electronic devises will be allowed during the exam Violators will be penalized follow
School: Cornell
Course: Automotive Engineering
MAE 4860 Quiz #2 Spring 2013 1. mu= ms= Hu= Hs= hrc= d= t= a= k each side= 160 1200 0.2 0.4 0 0.4 1.6 4.905 56000 Without anti-fool bars installed, ks m sad m sgd =67494.3 m u aH u m sah rc m sad =0.037499 rad t2 k each side m s gd 2 k s,total k s, orig
School: Cornell
Course: Automotive Engineering
1) compression ratio a) a.i) rv: compression ratio b) power proportional to Otto efficiency 2) indicated power= brake power+ friction power a) indicated power: piston pressure b) brake: output of engine c) friction difference 3) BMEP: brake mean effective
School: Cornell
Course: Automotive Engineering
kw kt k each side wheel rate tire rate 28000 mu ms Hu Hs hrc d t a 160 1200 0.2 0.4 0 0.4 1.6 4.905 Without anti-fool bars installed ks ks, anti-roll bar (f) ks, anti-roll bar (r) Add anti-roll bar, Reduced roll angle = 67494.3 15000 0 k s, total= 0.03026
School: Cornell
Course: Automotive Engineering
MAE 4860 Prelim #1 1. a. Assume the engine follows this BSFC chart and its WOT: 127 kW= (800kPa) ( = 0.002 = = 0.05 kg/s b. f = F a = 0.007(0.05)= 0.003 ( )()()(30) ()= 0.0001 1 Hyun Jeong Park MAE 4860 Prelim #1 2. 540 Rankine= 300K 29.74Hg= 100711Pa 100
School: Cornell
MAE 3780 MECHATRONICS FALL 2009 S O L U T I O N S : O P T I O NA L D I O D E P RO B L E M S P ROBLEMS: 1) Given: Determine which diodes are reversed biased and which are forward biased in the circuits (a), (b), and (c) shown below. Also determine the valu
School: Cornell
Course: Future Energy Systems
MAE 5010 HW1 Solution 1) [25 pts] All the key points are listed on the graph. The discussion student wrote should include all the key points in order to receive full credits. 2) [15 pts] A power
School: Cornell
Course: Automotive Engineering
1. a= 1.4 = 1.2 f= 0.02 6.39 h= 0.3 -> = 0.975 m= 1000 A= 1.8 Cd= 0.36 = 0.57 -> A= 1.8 -> = = 3165.56 = 142.27 P=335000 -> Vi= = 50.87 = 0.36 = 0.068 -> s= 216.49 -> t= 4.92 Solve =0.068 for Vt =0.51 =0.16 = 0.06 Using the spreadsheet: r= 0.65, -> V= 65.
School: Cornell
Course: Dynamics
Lab #4 - Gyroscope Revised March 29, 2012 Introduction A gyroscope is an axisymmetric rigid object that spins about its symmetry axis. Often it has a large angular velocity, , about this axis. Some examples are a ywheel, the front wheel of a bicycle or mo
School: Cornell
Course: Dynamics
Lab #3 - Slider-Crank Lab Revised March 19, 2012 INTRODUCTION In this lab we look at the kinematics of some mechanisms which convert rotary motion into oscillating linear motion and vice-versa. In kinematics we use geometry and calculus to study motion wi
School: Cornell
Course: Dynamics
Lab #1 - One Degree-of-Freedom Oscillator Revised January 4, 2011 INTRODUCTION Engineers often have the challenge of making something oscillate the right amount or of trying to prevent something from oscillating too much. The mass-spring-dashpot is the pr
School: Cornell
Course: Dynamics
Lab #2 - Two Degrees-of-Freedom Oscillator Revised February 18, 2011 INTRODUCTION This lab shows some properties of linear vibrating systems with two or more degrees-offreedom. The example is the system illustrated in Figure (2.1) which has two degrees-of
School: Cornell
MAE 3780 MECHATRONICS FALL 2014 LAB 4: H-BRIDGE AND OPEN-LOOP SPEED CONTROL I N T RO D U C T I O N The purpose of this laboratory is to build an H-bridge for controlling the speed and direction of a DC motor and to learn how to operate it using a Pulse Wi
School: Cornell
MAE 3780 MECHATRONICS FALL 2013 L A B 2 : PA SSI VE C I RC U I T S T I M E R E SPO N SE A N D FI LT E R I N G In this laboratory we are going to analyze a 1st order system that takes the form of an RC circuit. Passive RC circuits are very useful and can b
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
Darren Pagan ENGRD 2020 Prelim 1 Question 2 10/8/14 Prelim 1 Q2 Solution Part A (2 Pts) o 1/2 pt Labeled Coordinate System o 1/2 pt FREE body diagram (not attached to ground or wire) o 1 pts Correct description of forces and moments applied to body Part B
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
FIRSTPRELIM:ENGRD2210/MAE2210 TuesdayOctober21,7:309:30PM Youareallowedtobringonedoublesidedpageofequationsetc.withyoutothe exam.Allrequiredtablesandpropertyvalueswillbeprovided.Calculatorsare allowed,butmaynotbeusedforstoringinformation. Pleaseshowyourw
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
SECONDPRELIM:ENGRD2210/MAE2210 TuesdayNovember18,7:309:30PM Youareallowedtobringtwodoublesidedpagesofequationsetc.withyoutothe exam.Allrequiredtablesandpropertyvalueswillbeprovided.Calculatorsare allowed,butmaynotbeusedforstoringinformation. Pleaseshowyo
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
MAE 2120: Mechanical Properties and Selection of Engineering Materials Spring 2012 Course Objectives: 1. Building on ENGRD 2020, further develop the fundamental analytical tools associated with mechanics of deformable bodies. 2. Introduce the fundamentals
School: Cornell
Course: Dynamics Of Flight Vehicles
M&AE 5070 Dynamics of Flight Vehicles Course Syllabus D. A. Caughey 248 Upson Hall dac5@cornell.edu Spring 2011 This course provides an introduction to the engineering science of ight dynamics the response of ight vehicles to external perturbing forces an
School: Cornell
MAE 3780 MECHATRONICS FALL 2009 S O L U T I O N S : O P T I O NA L D I O D E P RO B L E M S P ROBLEMS: 1) Given: Determine which diodes are reversed biased and which are forward biased in the circuits (a), (b), and (c) shown below. Also determine the valu
School: Cornell
Course: Finite Element Analysis For Mechanical And Aerospace Design
MAE 4700/5700 (Fall 2012) Exam 1 October 16th, 7:30-9:30 pm Write in capital letters your full name and ID number on the front of the exam book. Closed books & notes. No electronic devises will be allowed during the exam Violators will be penalized follow
School: Cornell
Course: Future Energy Systems
MAE 5010 HW1 Solution 1) [25 pts] All the key points are listed on the graph. The discussion student wrote should include all the key points in order to receive full credits. 2) [15 pts] A power
School: Cornell
Course: Automotive Engineering
School: Cornell
Course: Automotive Engineering
Enthalpy of formation is H= H products- H reactants Here H is the extensive (not intensive enthalpy), which is to say it is different for CO -> C+ O2 vs. 2CO -> 2C+ O2 In general, we can find the enthalpy of reaction H= H products- H reactants = nihi- njh
School: Cornell
Course: Automotive Engineering
1. a= 1.4 = 1.2 f= 0.02 6.39 h= 0.3 -> = 0.975 m= 1000 A= 1.8 Cd= 0.36 = 0.57 -> A= 1.8 -> = = 3165.56 = 142.27 P=335000 -> Vi= = 50.87 = 0.36 = 0.068 -> s= 216.49 -> t= 4.92 Solve =0.068 for Vt =0.51 =0.16 = 0.06 Using the spreadsheet: r= 0.65, -> V= 65.
School: Cornell
Course: Automotive Engineering
MAE 4860 Quiz #2 Spring 2013 1. mu= ms= Hu= Hs= hrc= d= t= a= k each side= 160 1200 0.2 0.4 0 0.4 1.6 4.905 56000 Without anti-fool bars installed, ks m sad m sgd =67494.3 m u aH u m sah rc m sad =0.037499 rad t2 k each side m s gd 2 k s,total k s, orig
School: Cornell
Course: Automotive Engineering
Straight Line Motion 1. Units (SI units) a. mass: kg b. length: m c. time: second 2. Laws of motion a. F=0 b. F= ma c. work= Fd d. power= Fd/t 3. Free body of diagrams a. L: wheelbase b. l1: distance from the front wheel center rearward to the center of g
School: Cornell
Course: Automotive Engineering
Fm = total tractive force Fm FL FR Fst = ma FL = aerodynamic drag force Fst = grade load force FR = total rolling resistance FRr = rear rolling resistance. Taking moments about the rear tire contact point, Wf = total force at the front tires The quantity
School: Cornell
Course: Automotive Engineering
Valve and Vale Timing (Heywood Chap.6) Opening the valve further would not increase the flow rate any further Flow was chocked because the flow had reached the sonic condition in the nozzle. Ma= 1 P*/P0= 0.53 In an engine, the flow is pulsed, not steady.
School: Cornell
Course: Automotive Engineering
Fundamentals What are some of the things you need to know from physics and statics? I. Units. Engineers use SI units. Mass: kg, Length: meter Time: second II. Newtons Laws of Motion Lex I: Corpus omne perseverare in statu suo quiescendi vel movendi unifor
School: Cornell
Course: Automotive Engineering
Twospringsinseries:ktotal=k1k2/(k1+k2) Wheelcenterrate(kW)andtirerate(kT)>Riderate 1/kR=1/kW+1/kT Iftirerategoesinfinite,kT=kR 1.Springratethisistheforce/displacementforthesuspensionspringitselfremoved fromthecar.Itismeasuredinacompressionortorsiondevice.
School: Cornell
Course: Automotive Engineering
1) compression ratio a) a.i) rv: compression ratio b) power proportional to Otto efficiency 2) indicated power= brake power+ friction power a) indicated power: piston pressure b) brake: output of engine c) friction difference 3) BMEP: brake mean effective
School: Cornell
Course: Automotive Engineering
Full cycle analysis ( see handouts) Recap: 4800 rpm,WOT, = 0.95 and C8H18 (octane) Last time, we found: 1 2 3 4 5 6 T(K) 333.15 635 3434 1801 1220 P(kPa) 100 1640 8865 541 100 During the intake process, the gas within the control volume does work since th
School: Cornell
Course: Automotive Engineering
R nought Sigma Nought Tau Nought 0.508704 0.508704 0.06839 0.06839 0.155492 0.155492 R Phi 0.650802 0.650802 0.060559 0.060559 Tiny Square 0.341407 0.341407 Sigma Diff -1.03028 Small Square 0.155176 0.155176 Sigma Diff 2 0.033632 0.866678 Tau Diff 2 Big S
School: Cornell
Course: Automotive Engineering
Fundamentals What are some of the things you need to know from physics and statics? I. Units. Engineers use SI units. Mass: kg, Length: meter Time: second II. Newtons Laws of Motion Lex I: Corpus omne perseverare in statu suo quiescendi vel movendi unifor
School: Cornell
Course: Automotive Engineering
Static weight distribution on level ground/ front-rear weight distribution Wheelbase: longitudinal distance between the center of the front and rear wheels, L l1: distance from the front wheel center rearward to the center of gravity Loads at the front an
School: Cornell
Course: Automotive Engineering
March 28th Slip angles Consider a tire in pure roll Apply a constant side force -> continue to roll/ but angular path Constant velocity/ F=0/ no acceleration Side force vs. slip angle (at a particular N, vertical force) At small angles, close to linear wi
School: Cornell
Course: Automotive Engineering
kw kt k each side wheel rate tire rate 28000 mu ms Hu Hs hrc d t a 160 1200 0.2 0.4 0 0.4 1.6 4.905 Without anti-fool bars installed ks ks, anti-roll bar (f) ks, anti-roll bar (r) Add anti-roll bar, Reduced roll angle = 67494.3 15000 0 k s, total= 0.03026
School: Cornell
Course: Automotive Engineering
Stopping Distance The most common specification of a braking systems performance, whether it be in Popular Mechanics or Road and Track, is the stopping distance of a car from a particular initial speed. Certainly a short stopping distance has its advantag
School: Cornell
Course: Automotive Engineering
Straight Line Motion Section Three Braking (cont.) Previously, we had the force on the front tires under acceleration, aerodynamic loading, and grade loading as Wf mgl2 cos FL h mah hmg sin L (1.3.1) For the purposes of this analysis, we will consider o
School: Cornell
Course: Automotive Engineering
Straight Line Motion Section Two A powerful engine is of no use if the tires merely spin. Lets look at the traction available for our car. First lets define some variables. We have already defined the resisting loads due to aerodynamic drag, rolling resis
School: Cornell
Course: Automotive Engineering
MAE 4860 Prelim #1 1. a. Assume the engine follows this BSFC chart and its WOT: 127 kW= (800kPa) ( = 0.002 = = 0.05 kg/s b. f = F a = 0.007(0.05)= 0.003 ( )()()(30) ()= 0.0001 1 Hyun Jeong Park MAE 4860 Prelim #1 2. 540 Rankine= 300K 29.74Hg= 100711Pa 100
School: Cornell
Course: Automotive Engineering
Full cycle analysis ( see handouts) Recap: 4800 rpm,WOT, = 0.95 and C8H18 (octane) Last time, we found: T(K) 333.15 635 3434 1801 1220 1 2 3 4 5 6 P(kPa) 100 1640 8865 541 100 During the intake process, the gas within the control volume does work since th
School: Cornell
Course: Automotive Engineering
Indicated: pressure at cylinder face, theoretical Brake: output shaft of engine Friction: losses reduce friction by low RPM, thinner oil Mechanical efficiency = BHP/ IHP= BHP/ (BHP+ FHP) BHP -> engine dyno FHP -> motoring the engine BHP: output power from
School: Cornell
Course: Automotive Engineering
Dynamometer Dyno 1. Engine apply a measured load bare engine 2. Chassis modeling a flat surface, not free spinning 3. Tow Combustion (11:30) Focus on hydrocarbon fuels diesel, alcohol Reactants -> Products Fuel, Air -> Exhaust Principle atom balance Mass
School: Cornell
Course: Automotive Engineering
Engines Types 1. 4 cycles* 2. 2 cycles (power per each rotation) 3. Rotary (wankel), light weight and lots of torque How do we initiate combustion 1. Spark ignition* a. Spark plug b. Upper limit on compression ratio 10 b.i. Its going to burn ahead of spar
School: Cornell
Course: Analysis Of Mechanical And Aerospace Structures
MAE 3250 Analysis of Mechanical and Aerospace Structures Fall 2012 Homework #2, Due: 11:25am, Thursday, Sept. 20 1. Read the online tutorial ANSYS 12 Tensile Bar Problem Specification at https:/confluence.cornell.edu/display/SIMULATION/ANSYS+12+-+Tensile+
School: Cornell
Course: Analysis Of Mechanical And Aerospace Structures
MAE 3250 Analysis of Mechanical and Aerospace Structures Fall 2012 HW #3, Due: 11:25am, Thursday, Sept. 27 Assignment: Textbook: 2.6, 2.14, 2.15, 2.17, 2.20 Answers 1. Textbook 2.6 a. 0.0005 b. 0.000667 c. 0.000667 2. Textbook 2.14 a. 0 0.222x10 0.000167
School: Cornell
Course: Analysis Of Mechanical And Aerospace Structures
MAE 3250 Analysis of Mechanical and Aerospace Structures Fall 2012 HW# 3, Due: 11:25 am, Thursday, Sept. 27 Assignment: Textbook: 2.6, 2.14, 2.15, 2.17, 2.20
School: Cornell
Course: Analysis Of Mechanical And Aerospace Structures
MAE 3250 Analysis of Mechanical and Aerospace Structures Fall 2012 HW #1: Due 11:25 am, Thursday, Sept. 6 Textbook: 1.1, 1.2, 1.4, 1.6, 1.7, 1.8
School: Cornell
Course: Analysis Of Mechanical And Aerospace Structures
MAE 3250 Analysis of Mechanical and Aerospace Structures Fall 2012 HW #8, Due: 5pm, Tuesday, November 27th 1. Two aluminum bars and one iron bar are attached to a rigid support on the left end (fixed) and a granite bar on the right (free end). Each bar ha
School: Cornell
Course: Analysis Of Mechanical And Aerospace Structures
MAE 3250 Analysis of Mechanical and Aerospace Structures Fall 2011 HW# 2, Due: 11:15 am, Thursday, Sept. 15 ANSWERS 1. No answer provided 2. Proof 3. Textbook: 1.20 a. 6 0 4 0 0 0 4 0 ksi 0 b. 24 0 ksi or 8 2, 0, 8, ksi 24 8 / ksi c. d. Because this
School: Cornell
Course: Analysis Of Mechanical And Aerospace Structures
MAE3250 Analysis of Mechanical and Aerospace Structures Fall 2012 HW 7 Due: 5p Thursday, Nov. 15th Go through the bike crank tutorial at https:/confluence.cornell.edu/x/MwZoC This tutorial shows you how to calculate the strain value
School: Cornell
Course: Analysis Of Mechanical And Aerospace Structures
MAE 3250 Analysis of Mechanical and Aerospace Structures Fall 2012 HW #8, Due: 5pm, Tuesday, November 27th Assignment: thermal problem, textbook 4.17, 4.18, 4.19 Answers 1. Al = - 3996 psi, Fe = 7992 psi 2. Textbook 4.17 a. -186.7 MPa 3. Textbook 4.18 a.
School: Cornell
Course: Analysis Of Mechanical And Aerospace Structures
MAE 3250 Analysis of Mechanical and Aerospace Structures Fall 2012 HW#4, Due: 11:25 am, Thursday, Oct. 4 Assignment: Textbook 3.10, 3.11, 3.12, 3.16, 3.18 Answers: 1. Textbook 3.10 2 xyz yz y z a. xyz yz 2 xz 2 xz xy xy 2 V 19 x 103 b. V0 c. z 336 MPa
School: Cornell
Course: Analysis Of Mechanical And Aerospace Structures
MAE 3250 Analysis of Mechanical and Aerospace Structures Fall 2012 HW# 4, Due: 11:25 am, Thursday, Oct. 4th Assignment: Textbook: 3.10, 3.11, 3.12, 3.16, 3.18
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
1"Theoretical-Problem- - - THQH- - QW-TWQC-TC- Part-A- Part-B- WA- WB! ! = ! ! ! ! = ! ! ! = ! ! ! ! = 1 ! ! ! ! = ! ! ! ! ! ! = 1 ! = 1 ! ! ! ! ! ! ! = ! ! ! ! - ! = ! !- 0 = ! + ! (! ! )! ! = ! ! ! ! + ! = ! ! ! ! ! ! = ! + ! = ! ! ! ! ! ! ! = = 1 !
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
Darren Pagan ENGRD 2020 Prelim 1 Question 2 10/8/14 Prelim 1 Q2 Solution Part A (2 Pts) o 1/2 pt Labeled Coordinate System o 1/2 pt FREE body diagram (not attached to ground or wire) o 1 pts Correct description of forces and moments applied to body Part B
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
New Section 1 Page 2 New Section 1 Page 3 New Section 1 Page 4 New Section 1 Page 5 New Section 1 Page 6
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
FIRSTPRELIM:ENGRD2210/MAE2210 TuesdayOctober21,7:309:30PM Youareallowedtobringonedoublesidedpageofequationsetc.withyoutothe exam.Allrequiredtablesandpropertyvalueswillbeprovided.Calculatorsare allowed,butmaynotbeusedforstoringinformation. Pleaseshowyourw
School: Cornell
Course: Automotive Engineering
School: Cornell
Course: Automotive Engineering
Enthalpy of formation is H= H products- H reactants Here H is the extensive (not intensive enthalpy), which is to say it is different for CO -> C+ O2 vs. 2CO -> 2C+ O2 In general, we can find the enthalpy of reaction H= H products- H reactants = nihi- njh
School: Cornell
Course: Automotive Engineering
Straight Line Motion 1. Units (SI units) a. mass: kg b. length: m c. time: second 2. Laws of motion a. F=0 b. F= ma c. work= Fd d. power= Fd/t 3. Free body of diagrams a. L: wheelbase b. l1: distance from the front wheel center rearward to the center of g
School: Cornell
Course: Automotive Engineering
Fm = total tractive force Fm FL FR Fst = ma FL = aerodynamic drag force Fst = grade load force FR = total rolling resistance FRr = rear rolling resistance. Taking moments about the rear tire contact point, Wf = total force at the front tires The quantity
School: Cornell
Course: Automotive Engineering
Valve and Vale Timing (Heywood Chap.6) Opening the valve further would not increase the flow rate any further Flow was chocked because the flow had reached the sonic condition in the nozzle. Ma= 1 P*/P0= 0.53 In an engine, the flow is pulsed, not steady.
School: Cornell
Course: Automotive Engineering
Twospringsinseries:ktotal=k1k2/(k1+k2) Wheelcenterrate(kW)andtirerate(kT)>Riderate 1/kR=1/kW+1/kT Iftirerategoesinfinite,kT=kR 1.Springratethisistheforce/displacementforthesuspensionspringitselfremoved fromthecar.Itismeasuredinacompressionortorsiondevice.
School: Cornell
Course: Automotive Engineering
Full cycle analysis ( see handouts) Recap: 4800 rpm,WOT, = 0.95 and C8H18 (octane) Last time, we found: 1 2 3 4 5 6 T(K) 333.15 635 3434 1801 1220 P(kPa) 100 1640 8865 541 100 During the intake process, the gas within the control volume does work since th
School: Cornell
Course: Automotive Engineering
Static weight distribution on level ground/ front-rear weight distribution Wheelbase: longitudinal distance between the center of the front and rear wheels, L l1: distance from the front wheel center rearward to the center of gravity Loads at the front an
School: Cornell
Course: Automotive Engineering
March 28th Slip angles Consider a tire in pure roll Apply a constant side force -> continue to roll/ but angular path Constant velocity/ F=0/ no acceleration Side force vs. slip angle (at a particular N, vertical force) At small angles, close to linear wi
School: Cornell
Course: Automotive Engineering
Stopping Distance The most common specification of a braking systems performance, whether it be in Popular Mechanics or Road and Track, is the stopping distance of a car from a particular initial speed. Certainly a short stopping distance has its advantag
School: Cornell
Course: Automotive Engineering
Full cycle analysis ( see handouts) Recap: 4800 rpm,WOT, = 0.95 and C8H18 (octane) Last time, we found: T(K) 333.15 635 3434 1801 1220 1 2 3 4 5 6 P(kPa) 100 1640 8865 541 100 During the intake process, the gas within the control volume does work since th
School: Cornell
Course: Automotive Engineering
Indicated: pressure at cylinder face, theoretical Brake: output shaft of engine Friction: losses reduce friction by low RPM, thinner oil Mechanical efficiency = BHP/ IHP= BHP/ (BHP+ FHP) BHP -> engine dyno FHP -> motoring the engine BHP: output power from
School: Cornell
Course: Automotive Engineering
Dynamometer Dyno 1. Engine apply a measured load bare engine 2. Chassis modeling a flat surface, not free spinning 3. Tow Combustion (11:30) Focus on hydrocarbon fuels diesel, alcohol Reactants -> Products Fuel, Air -> Exhaust Principle atom balance Mass
School: Cornell
Course: Automotive Engineering
Engines Types 1. 4 cycles* 2. 2 cycles (power per each rotation) 3. Rotary (wankel), light weight and lots of torque How do we initiate combustion 1. Spark ignition* a. Spark plug b. Upper limit on compression ratio 10 b.i. Its going to burn ahead of spar
School: Cornell
Course: Mechanical Synthesis
PRACTICEPRELIM,PAGED D1.Airwithaflowrateof5kg/spassesthroughadeviceoperatingatsteadystate.Theinletandexit temperaturesoftheairare1100Kand400K,respectively.Ifheattransferfromthedevicetothe outsideworldisnegligible,whatisthepowerproducedbythedevice?Treatai
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
PRELIMFORMAT Youwillbeallowedonepageofnotes,doublesided.Youarefreetoworkwithotherstoproducethe pageofnotes. Theexamwillprovideanytablesofpropertiesthatarerequiredfortheproblem.Itwillalsoprovide numericalvaluesoftheuniversalgasconstantandthegravitationalco
School: Cornell
Course: Mechanical Synthesis
1 ENGRD 2210 Thermodynamics Fall 2014 Homework 7 Due Date: 5 PM on 10/24/2014 Please turn in only one copy per group (Upson Drop Box) Write group number and names of all contributing group members on the paper; whether it is a Wednesday or Thursday grou
School: Cornell
Course: Mechanical Synthesis
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School: Cornell
Course: Mechanical Synthesis
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School: Cornell
Course: Mechanical Synthesis
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School: Cornell
Course: Mechanical Synthesis
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School: Cornell
Course: Mechanical Synthesis
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School: Cornell
Course: Mechanical Synthesis
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School: Cornell
Course: Mechanical Synthesis
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School: Cornell
Course: Mechanical Synthesis
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School: Cornell
Course: Mechanical Synthesis
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School: Cornell
Course: Mechanical Synthesis
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School: Cornell
Course: Mechanical Synthesis
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School: Cornell
Course: Mechanical Synthesis
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School: Cornell
Course: Mechanical Synthesis
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School: Cornell
Course: Mechanical Synthesis
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School: Cornell
Course: Mechanical Synthesis
6) If the heat pump cycle is fully reversible, then its coefficient of performance must be equal to the maximum possible value, given in eq. 5.11 max =T H /(T H -T C ). We know that T C =300 K The hot side of the heat pump is being used to boil water at 1
School: Cornell
Course: Mechanical Synthesis
M&AE 2120 Prelim 1 Formula Sheet: These formulae may be used without derivation Stress Menu/Toolbox = P/A = V Q/It = Mc/I = T/J hoop = pr/t long = pr/2t spherical = pr/2t Properties of circular cross-sections 4 2 rO , J=2I At the neutral axis: Q = r
School: Cornell
School: Cornell
School: Cornell
School: Cornell
School: Cornell
School: Cornell
School: Cornell
School: Cornell
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School: Cornell
School: Cornell
School: Cornell
Led </ rc G.9 *S'*t9 e^Cfrr'c 'r* 1 <r oy ', A & ol' r, rv -r~ A. 7"/ r. T=r-^ k Ltd 0 & &*, A *-A<9t = ( ./ n^ / ~rt r,. ,72 (gj % , 4, /a ^/ 4/h/o* h /; j 2 T Lee 7 $cA / U clt- 9, vT7 ( fokfiL > & U fi /ctn l_A OS Ut.f jU oil u,? faofior- J,y r K[rbr/
School: Cornell
School: Cornell
School: Cornell
School: Cornell
School: Cornell
School: Cornell
School: Cornell
School: Cornell
School: Cornell
School: Cornell
School: Cornell
School: Cornell
School: Cornell
Course: Engrd 202
Ga-in (Jenny Lee) ARTH 1131 Essay 2 Formal analysis of an object in the Johnson Museum of Art Comparison The Fields in the Month of June (Les Champs au mois de juin) by Charles-Francois Daubigny depicts the landscape realistically, is easily discernable,
School: Cornell
ATOMISTIC MODELING OF MATERIALS , MAE715, Course Project, 2007 Study of Pentacene clustering using Atomistics and KMC simulations Krishna Iyengar kai8@cornell.edu Department of Theoretical and Applied Mechanics, Kimball Hall, Cornell University, Ith
School: Cornell
Course: Automotive Engineering
Fundamentals What are some of the things you need to know from physics and statics? I. Units. Engineers use SI units. Mass: kg, Length: meter Time: second II. Newtons Laws of Motion Lex I: Corpus omne perseverare in statu suo quiescendi vel movendi unifor
School: Cornell
Course: Automotive Engineering
R nought Sigma Nought Tau Nought 0.508704 0.508704 0.06839 0.06839 0.155492 0.155492 R Phi 0.650802 0.650802 0.060559 0.060559 Tiny Square 0.341407 0.341407 Sigma Diff -1.03028 Small Square 0.155176 0.155176 Sigma Diff 2 0.033632 0.866678 Tau Diff 2 Big S
School: Cornell
Course: Automotive Engineering
Fundamentals What are some of the things you need to know from physics and statics? I. Units. Engineers use SI units. Mass: kg, Length: meter Time: second II. Newtons Laws of Motion Lex I: Corpus omne perseverare in statu suo quiescendi vel movendi unifor
School: Cornell
Course: Automotive Engineering
Straight Line Motion Section Three Braking (cont.) Previously, we had the force on the front tires under acceleration, aerodynamic loading, and grade loading as Wf mgl2 cos FL h mah hmg sin L (1.3.1) For the purposes of this analysis, we will consider o
School: Cornell
Course: Automotive Engineering
Straight Line Motion Section Two A powerful engine is of no use if the tires merely spin. Lets look at the traction available for our car. First lets define some variables. We have already defined the resisting loads due to aerodynamic drag, rolling resis
School: Cornell
Course: Mechanical Synthesis
Introduction to MAE 2250 Introduction to MAE 2250 Machine Components The Text: A reference for your whole life Also used in my Senior Product Design course Managing the Design Process Introduction to MAE 2250 Shepherd: Expert in advanced materials and mac
School: Cornell
MAE 3250 Analysis of Mechanical and Aerospace Structures Prof. Yingxin Gao Lecture 8 FEM overview and 1D FEM (Textbook: 8.1, 3.6, 7.1, 7.3) Tuesday, Sept. 30, 2014 1 MAE 3250 RoadMap v BCs v Engineering Matls Physical Principles Fundamental Quantities: St
School: Cornell
MAE 3250 Analysis of Mechanical and Aerospace Structures Prof. Yingxin Gao Lecture 6 Definition of Strain, Strain Tensor (Textbook: 2.1, 2.2, 2.5) Tuesday, Sept.16, 2014 1 MAE 3250 RoadMap v BCs v Engineering Matls Physical Principles Fundamental Quantit
School: Cornell
MAE 3250: Introduction to Project 2 and the redAnTS FEM Toolbox Rajesh Bhaskaran Mechanical & Aerospace Engineering Cornell University My Co-ordinates Dr. Rajesh Bhaskaran Swanson Director of Engineering Simulation Sibley School of Mechanical & Aerospace
School: Cornell
MAE 3250 Analysis of Mechanical and Aerospace Structures Prof. Yingxin Gao Lecture 4 Differential Equation of Equilibrium (FEM demo) Tuesday, Sep. 9, 2014 1 3-D Differential Equations of Equilibrium x xy xz + + + fx = 0 x y z xy y yz + + + fy = 0 x y z
School: Cornell
MAE 3250 Analysis of Mechanical and Aerospace Structures Prof. Yingxin Gao Lecture 1 Introduction Tuesday, August 26, 2014 Instructional Staff Instructor: Prof. Yingxin Gao (Upson 220, yg75) Computational support: Dr. Rajesh Bhaskaran (rb88) ANSYS TA
School: Cornell
MAE 3250 Analysis of Mechanical and Aerospace Structures Prof. Yingxin Gao Lecture 2 Traction and Cauchy Formula (Textbook: 1.1-1.3) Thursday, Aug.28, 2014 1 MAE 3250 RoadMap v BCs v Engineering Matls Physical Principles Fundamental Quantities: Stress Str
School: Cornell
MAE 3250 Analysis of Mechanical and Aerospace Structures Prof. Yingxin Gao Lecture 3 Differential Equation of Equilibrium (Textbook: 1.4) Thursday, Sep. 4, 2014 1 Chapter 1 The Stress Tensor 1.1 1.2 1.3 1.4 1.5 1.6 1.7 Definition of stress The stress tens
School: Cornell
MAE 3250 Analysis of Mechanical and Aerospace Structures Prof. Yingxin Gao Lecture 8 Hookes Law (Textbook: 3.3) Thursday, Sept. 26, 2013 1 Stresses and Strains 15 unknowns 6 stresses 6 strains 3 displacement components 15 Equations are needed 3 equi
School: Cornell
MAE 3250 Analysis of Mechanical and Aerospace Structures Prof. Yingxin Gao Lecture 6 Definition of Strain, Strain Tensor (Textbook: 2.1, 2.2, 2.5) Thursday, Sept.19, 2013 1 MAE 3250 RoadMap v BCs v Engineering Matls Physical Principles Fundamental Quanti
School: Cornell
MAE 3250 Analysis of Mechanical and Aerospace Structures Prof. Yingxin Gao Lecture 5 Coordinate Transformation Principal Stresses (Textbook: 1.5-1.7) Tuesday, Sep. 10, 2013 1 Chapter 1 The Stress Tensor 1.1 1.2 1.3 1.4 1.5 1.6 1.7 Definition of stress The
School: Cornell
MAE 3250 Analysis of Mechanical and Aerospace Structures Prof. Yingxin Gao Lecture 4 Differential Equation of Equilibrium (FEM demo) Thursday, Sep. 12, 2013 1 3-D Differential Equations of Equilibrium x xy xz fx 0 x y z xy x y y yz z fy 0 xz yz z
School: Cornell
MAE 3250 Analysis of Mechanical and Aerospace Structures Prof. Yingxin Gao Lecture 3 Differential Equation of Equilibrium (Textbook: 1.4) Thursday, Sep. 5, 2013 1 Chapter 1 The Stress Tensor 1.1 1.2 1.3 1.4 1.5 1.6 1.7 Definition of stress The stress tens
School: Cornell
MAE 3250 Analysis of Mechanical and Aerospace Structures Prof. Yingxin Gao Lecture 2 Traction and Cauchy Formula (Textbook: 1.1-1.3) Tuesday, Sep. 2, 2013 1 MAE 3250 RoadMap v BCs v Engineering Matls Physical Principles Fundamental Quantities: Stress Stra
School: Cornell
MAE 3250 Analysis of Mechanical and Aerospace Structures Prof. Yingxin Gao Lecture 1 Introduction Thursday, August 29, 2013 Instructional Staff Instructor: Prof. Yingxin Gao (Upson 220, yg75) Computational support: Dr. Rajesh Bhaskaran (rb88) TAs: S
School: Cornell
Course: Dynamics Of Flight Vehicles
Dynamics of Flight Vehicles M&AE 5070 David A. Caughey Sibley School of Mechanical & Aerospace Engineering Cornell University Ithaca, New York 14853-7501 May 2011 Longitudinal Dynamics Mixed Response Speed, u/u0 1.5 Speed, u/u 1.5 0 Angle of attack Pitch
School: Cornell
School: Cornell
School: Cornell
School: Cornell
MAE 212: Spring 2001 Lecture 12 DISLOCATIONS N. Zabaras This lecture has been developed using information from Chapter 9 of Engineering Materials I by Ashby and Jones (on reserve in the Engr. Library) and from your main textbook Introduction to Mater
School: Cornell
Course: Finite Element Analysis For Mechanical And Aerospace Design
MAE 4700/5700 (Fall 2012) Exam 1 October 16th, 7:30-9:30 pm Write in capital letters your full name and ID number on the front of the exam book. Closed books & notes. No electronic devises will be allowed during the exam Violators will be penalized follow
School: Cornell
Course: Automotive Engineering
MAE 4860 Quiz #2 Spring 2013 1. mu= ms= Hu= Hs= hrc= d= t= a= k each side= 160 1200 0.2 0.4 0 0.4 1.6 4.905 56000 Without anti-fool bars installed, ks m sad m sgd =67494.3 m u aH u m sah rc m sad =0.037499 rad t2 k each side m s gd 2 k s,total k s, orig
School: Cornell
Course: Automotive Engineering
1) compression ratio a) a.i) rv: compression ratio b) power proportional to Otto efficiency 2) indicated power= brake power+ friction power a) indicated power: piston pressure b) brake: output of engine c) friction difference 3) BMEP: brake mean effective
School: Cornell
Course: Automotive Engineering
kw kt k each side wheel rate tire rate 28000 mu ms Hu Hs hrc d t a 160 1200 0.2 0.4 0 0.4 1.6 4.905 Without anti-fool bars installed ks ks, anti-roll bar (f) ks, anti-roll bar (r) Add anti-roll bar, Reduced roll angle = 67494.3 15000 0 k s, total= 0.03026
School: Cornell
Course: Automotive Engineering
MAE 4860 Prelim #1 1. a. Assume the engine follows this BSFC chart and its WOT: 127 kW= (800kPa) ( = 0.002 = = 0.05 kg/s b. f = F a = 0.007(0.05)= 0.003 ( )()()(30) ()= 0.0001 1 Hyun Jeong Park MAE 4860 Prelim #1 2. 540 Rankine= 300K 29.74Hg= 100711Pa 100
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
New Section 1 Page 2 New Section 1 Page 3 New Section 1 Page 4 New Section 1 Page 5 New Section 1 Page 6
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
Final Exam Math 2940 Fall 2013 no calculators all (18) questions count equally show your work: answer + reason = credit 1. Please Print your name and section number on the outside of your exam booklet. Also: Consider the dierence equation yk+1 +0.5yk = 0
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
Math 2940, Final Exam, December 6, 2012 No calculators/texts/notes. Except for True/False questions, SHOW ALL WORK! 1) Let W be the subspace of R4 spanned by cfw_(1, 1, 1, 0), (1, 1, 4, 6). (a) (6 points) Find an orthogonal basis of W . (b) (6 points) Fin
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
Math 2940, Final Exam Solutions 2012 1) Let W be the subspace of R4 spanned by cfw_(1, 1, 1, 0), (1, 1, 4, 6). (a) (6 points) Find an orthogonal basis of W . (b) (6 points) Find an orthogonal basis of W . Solution: (a) Set v1 = (1, 1, 1, 0) and v2 = (1, 1
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
Name: Final Exam August 4, 2014 Math 2940 Linear Algebra for Engineers INSTRUCTIONS PLEASE READ H Please turn o your cell phone and put it away. This is a closed book exam. You are not allowed to use a calculator or any other electronic device or aid. Yo
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
M&AE 2120 Prelim 2 Formula Sheet Page 1: These formulae may be used without derivation Stress Menu/Toolbox = P/A = V Q/It = Mc/I = T/J Properties of circular cross-sections I= For solid circular shaft: A = r2 4 r 4 O For thin walled hollow circular s
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
Your Section #: . . . . . . . Your Name: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Grade: . . . . . . /100 Conrm Integrity: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ENGRD 2020 MECHANICS OF SOLID
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
Your Section #: . . . . . . . Your Name: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Grade: . . . . . . /100 ENGRD 2020 MECHANICS OF SOLIDS Quiz Final Examination Friday, December 7, 2012 Academic integrity is expected of all students at all
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
ENGRD 2020 MECHANICS OF SOLIDS Final Examination Maximum 110 Points Monday, December 16, 2013 Academic integrity is expected of all students at all times whether in the presence or absence of members of the teaching sta. If you understand this and agree t
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
ENGRD 2020 MECHANICS OF SOLIDS Final Examination (125 pts max) Saturday, December 12, 2009 Academic integrity is expected of all students at all times whether in the presence or absence of members of the teaching sta. If you understand this and agree that
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
These tables are from a different text. This problem would probably require interpolation if done with the tables in our text. New Section 2 Page 4 New Section 2 Page 6 New Section 2 Page 8 New Section 2 Page 10 New Section 2 Page 12 New Section 2 Page 14
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
MAE 2120 Prelim II April 9, 2013 7:30 - 9:00 PM Read and sign the academic integrity statement on the front of your test booklet. (i) Circle your final answers and show all work! (ii)Solutions not supported by appropriate development will not be accepted.
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
MAE 2120 Prelim I March 5, 2012 7:30 - 9:00 PM Read and sign the academic integrity statement on the front of your test booklet. (i) Circle your final answers and show all work! (ii)Solutions not supported by appropriate development will not be accepted.
School: Cornell
Course: Dynamics
TAM 2030 Fall 2011 Dynamics Prelim 1: October 4, 2011 Name: netID: Instructions: Read each question carefully. To earn maximum partial credit, show all work as you progress toward your nal answer(s). Be sure to specify units of any numerical answer, if ap
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
+1 Name _ point Section _ MAE 2120 Spring 2012 Quiz 13 Solutions Fatigue Read each question carefully. Only do what is asked. Calculators are allowed. Fatigue Crack Growth Strain-Based Fatigue b m da 0 a = ea + pa f (2Nf )1. UsingdN = C ( the table below,
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
MAE 2120 Prelim II April 12, 2011 7:30 - 9:00 PM Read and sign the academic integrity statement on the front of your test booklet. The truefalse questions require no development. For Problems 6 and 7: (i) Circle your final answers and show all work! (ii)S
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
ALL CALCULATION REGARDING DEFLECTION IS OPTIONAL. EXTRA CREDIT WILL BE GIVEN FOR THE DELFECTION ANALYSIS. Project 2 MAE 2120 Spring, 2012, One zip file due May 3rd,2012, 11:59PM Introduction In the first project, you analyzed the drive-train for the Batmo
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
ENGRD 2020 MECHANICS OF SOLIDS Final Examination Friday, December 9, 2011 Academic integrity is expected of all students at all times whether in the presence or absence of members of the teaching sta. If you understand this and agree that you will neither
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
MAE 2120 Prelim I March 8, 2011 7:30 - 9:00 PM Read and sign the academic integrity statement on the front of your test booklet. For Problems 1, 2 and 3: (i) Circle your final answers and show all work! (ii)Solutions not supported by appropriate developme
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
Name _ +1 point Section _ MAE 2120 Spring 2012 Quiz 14 Solutions Read each question carefully. Only do what is asked. Calculators are not allowed. 1. A bicycle crank with volume V = l*t*h is made of a material with yield strength o and material properties
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
Name _ Section _ MAE 2120 Spring 2012 Quiz 14 Read each question carefully. Only do what is asked. Calculators are not allowed. 1. A bicycle crank with volume V = l*t*h, I = (1/12)*t*h3, and Q = (1/8)*t*h2 is made of a material with density , yield streng
School: Cornell
Course: Spacecraft Engineering
MAE 3060 Spring 2013 Spacecraft Engineering Prelim 2 Numerical Answers 1. T/F 2. Multiple choice 35 Points (a) +2 (b) +4 (c) +3 (d) +3 (e) +5 (f) +3 (g) +3 (h) +5 (i) +7 3. A recently proposed manned mission to Mars would launch in 2018. That mission prop
School: Cornell
Course: Spacecraft Engineering
Solution: This problem clearly requires that we know the inertia about the minor axis. However, solving for all the eigenvectors is unnecessary; only one of them matters. To find the principal moments of inertia, we find the eigenvalues of the inertia mat
School: Cornell
School: Cornell
MAE 3780 Mechatronics Preliminary Exam 1 Fall 2014 Print Clearly: Last Name: _ First Name: _ Lab Section (Day/Time): _ Honor Pledge: I have neither given nor received aid during the course of this examination and I take said exam under the auspices of the
School: Cornell
Course: Finite Element Analysis For Mechanical And Aerospace Design
Practice Prelim II Questions MAE 4700/5700, Fall 2012 1 Problem 1 Short Answer Questions: (a) What is Green's theorem and why is it useful for nite element analysis? (b) In many of the problems considered in class, we used the H 1 space of functions (for
School: Cornell
Course: Finite Element Analysis For Mechanical And Aerospace Design
Exam 2 MAE 4700/5700 (Fall 2012) November 13th, 7:30-9:30 pm Write in capital letters your full name and ID number on the front of the exam book. Closed books & notes. No electronic devises will be allowed during the exam Violators will be penalized follo
School: Cornell
Course: Finite Element Analysis For Mechanical And Aerospace Design
Exam 2 MAE 4700/5700 (Fall 2012) November 13th, 7:30-9:30 pm Write in capital letters your full name and ID number on the front of the exam book. Closed books & notes. No electronic devises will be allowed during the exam Violators will be penalized follo
School: Cornell
Course: Finite Element Analysis For Mechanical And Aerospace Design
Practice Prelim I Questions MAE 4700/5700, Fall 2012 Problem 1 A linear element with stiness k is subjected to nodal forces F1 , F2 and displacements 1 , 2 at each of the two nodes as shown in the diagram. Demonstrate how the stiness matrix is formed for
School: Cornell
Course: Finite Element Analysis For Mechanical And Aerospace Design
MAE 4700/5700 (Fall 2012) Exam 1 October 16th, 7:30-9:30 pm Write in capital letters your full name and ID number on the front of the exam book. Closed books & notes. No electronic devises will be allowed during the exam Violators will be penalized follow
School: Cornell
MAE 3250 Quiz 3 10/3/2013 Name: _ Section (circle one): Mon 9:05 Mon 12:20 Tue1:25 Answer the following questions. For maximum credit be sure to show all your work and write your name and section number above. yy = 20MPa xy = 40 MPa y x xx = 30 MPa 1.
School: Cornell
MAE3250Quiz3 9/26/2013 Name: _ Section(circleone):Mon9:05Mon12:20Tue1:25 Answerthefollowingquestions.Formaximumcreditbesuretoshowallyourworkandwriteyour nameandsectionnumberabove. 1.(4pts)Giventhefollowingdisplacementequationsu(x,y),v(x,y),andw(x,y)fordis
School: Cornell
MAE 3250 Quiz 2 9/19/2013 Name: SOLUTION Section (circle one): Mon 9:05 Mon 12:20 _ Tue1:25 Answer the following questions. For maximum credit be sure to show all your work and write your name and section number above. 1. (3 pts) For the given state of st
School: Cornell
MAE3250Quiz1 9/12/2013 Name: SOLUTION Section: 1.(3pts)Giventhestresselementshownbelow,writethecorrespondingstressmatrix y 1MPa 2 MPa 4MPa 2 MPa x 2 2 0 2 1 4 MPa 0 4 1 1MPa z 2.(3pts)Thestressmatrixaboverepresentsthestateofstressataninternalpointinaloa
School: Cornell
Course: Future Energy Systems
MAE Quiz 1 Solutions 1. Short Answer [30pts] a) [5pts] Energy consumption is characterized as heat that is consumed while the capacity is considered to be work. b) [5pts] No, you will not always get 4kW of energy. There are multiple factors that will dete
School: Cornell
School: Cornell
MAE 3780 MECHATRONICS FALL 2009 S O L U T I O N S : O P T I O NA L D I O D E P RO B L E M S P ROBLEMS: 1) Given: Determine which diodes are reversed biased and which are forward biased in the circuits (a), (b), and (c) shown below. Also determine the valu
School: Cornell
Course: Future Energy Systems
MAE 5010 HW1 Solution 1) [25 pts] All the key points are listed on the graph. The discussion student wrote should include all the key points in order to receive full credits. 2) [15 pts] A power
School: Cornell
Course: Automotive Engineering
1. a= 1.4 = 1.2 f= 0.02 6.39 h= 0.3 -> = 0.975 m= 1000 A= 1.8 Cd= 0.36 = 0.57 -> A= 1.8 -> = = 3165.56 = 142.27 P=335000 -> Vi= = 50.87 = 0.36 = 0.068 -> s= 216.49 -> t= 4.92 Solve =0.068 for Vt =0.51 =0.16 = 0.06 Using the spreadsheet: r= 0.65, -> V= 65.
School: Cornell
Course: Analysis Of Mechanical And Aerospace Structures
MAE 3250 Analysis of Mechanical and Aerospace Structures Fall 2012 Homework #2, Due: 11:25am, Thursday, Sept. 20 1. Read the online tutorial ANSYS 12 Tensile Bar Problem Specification at https:/confluence.cornell.edu/display/SIMULATION/ANSYS+12+-+Tensile+
School: Cornell
Course: Analysis Of Mechanical And Aerospace Structures
MAE 3250 Analysis of Mechanical and Aerospace Structures Fall 2012 HW #3, Due: 11:25am, Thursday, Sept. 27 Assignment: Textbook: 2.6, 2.14, 2.15, 2.17, 2.20 Answers 1. Textbook 2.6 a. 0.0005 b. 0.000667 c. 0.000667 2. Textbook 2.14 a. 0 0.222x10 0.000167
School: Cornell
Course: Analysis Of Mechanical And Aerospace Structures
MAE 3250 Analysis of Mechanical and Aerospace Structures Fall 2012 HW# 3, Due: 11:25 am, Thursday, Sept. 27 Assignment: Textbook: 2.6, 2.14, 2.15, 2.17, 2.20
School: Cornell
Course: Analysis Of Mechanical And Aerospace Structures
MAE 3250 Analysis of Mechanical and Aerospace Structures Fall 2012 HW #1: Due 11:25 am, Thursday, Sept. 6 Textbook: 1.1, 1.2, 1.4, 1.6, 1.7, 1.8
School: Cornell
Course: Analysis Of Mechanical And Aerospace Structures
MAE 3250 Analysis of Mechanical and Aerospace Structures Fall 2012 HW #8, Due: 5pm, Tuesday, November 27th 1. Two aluminum bars and one iron bar are attached to a rigid support on the left end (fixed) and a granite bar on the right (free end). Each bar ha
School: Cornell
Course: Analysis Of Mechanical And Aerospace Structures
MAE 3250 Analysis of Mechanical and Aerospace Structures Fall 2011 HW# 2, Due: 11:15 am, Thursday, Sept. 15 ANSWERS 1. No answer provided 2. Proof 3. Textbook: 1.20 a. 6 0 4 0 0 0 4 0 ksi 0 b. 24 0 ksi or 8 2, 0, 8, ksi 24 8 / ksi c. d. Because this
School: Cornell
Course: Analysis Of Mechanical And Aerospace Structures
MAE3250 Analysis of Mechanical and Aerospace Structures Fall 2012 HW 7 Due: 5p Thursday, Nov. 15th Go through the bike crank tutorial at https:/confluence.cornell.edu/x/MwZoC This tutorial shows you how to calculate the strain value
School: Cornell
Course: Analysis Of Mechanical And Aerospace Structures
MAE 3250 Analysis of Mechanical and Aerospace Structures Fall 2012 HW #8, Due: 5pm, Tuesday, November 27th Assignment: thermal problem, textbook 4.17, 4.18, 4.19 Answers 1. Al = - 3996 psi, Fe = 7992 psi 2. Textbook 4.17 a. -186.7 MPa 3. Textbook 4.18 a.
School: Cornell
Course: Analysis Of Mechanical And Aerospace Structures
MAE 3250 Analysis of Mechanical and Aerospace Structures Fall 2012 HW#4, Due: 11:25 am, Thursday, Oct. 4 Assignment: Textbook 3.10, 3.11, 3.12, 3.16, 3.18 Answers: 1. Textbook 3.10 2 xyz yz y z a. xyz yz 2 xz 2 xz xy xy 2 V 19 x 103 b. V0 c. z 336 MPa
School: Cornell
Course: Analysis Of Mechanical And Aerospace Structures
MAE 3250 Analysis of Mechanical and Aerospace Structures Fall 2012 HW# 4, Due: 11:25 am, Thursday, Oct. 4th Assignment: Textbook: 3.10, 3.11, 3.12, 3.16, 3.18
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
1"Theoretical-Problem- - - THQH- - QW-TWQC-TC- Part-A- Part-B- WA- WB! ! = ! ! ! ! = ! ! ! = ! ! ! ! = 1 ! ! ! ! = ! ! ! ! ! ! = 1 ! = 1 ! ! ! ! ! ! ! = ! ! ! ! - ! = ! !- 0 = ! + ! (! ! )! ! = ! ! ! ! + ! = ! ! ! ! ! ! = ! + ! = ! ! ! ! ! ! ! = = 1 !
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
Problem 1 a) Sketch the cycle on a p-V diagram and on a T-s diagram. On the p-V diagram, the isothermal process curves (2 to 3 and 4 to 1) are defined by Boyles Law (PV = constant at constant temperature), and the adiabatic process curves (1 to 2 and 3 to
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
ENGRD 2210 Problem set 11 Due Friday December 5, 2014, at 5 PM Neglect kinetic and potential energy effects unless otherwise indicated. As of the end of the lecture of 11/24, we have covered all the material needed for problems 1 and 2. You should also be
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
1) a) Use control mass energy balance = = = 0 because we have an ideal gas and = 0 b) = = = = = ) = ( = ( = ) = = c) Use differential form of the first law = = 0 because it is a constant volume process = = d) = e) f) = =
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
ENGRD 2210 Thermodynamics Fall 2014 Homework 9 Due: 11/7/2014, 5 PM Please turn in only one copy per group (Upson Drop Box) Write group number and names of all contributing group members on the paper; whether it is a Wednesday or Thursday group Express al
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
ENGRD 2210 Problem set 10 Due MONDAY November 24, 2014, at 5 PM Neglect kinetic and potential energy effects unless otherwise indicated. Use molecular weight of 28.9 g/mole for air. 1) [10] Six kilograms of air within a piston-cylinder assembly execute a
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
School: Cornell
Course: Dynamics
TAM 2030 Fall 2011 Dynamics Prelim 2: November 15, 2011 Name: netID: Instructions: Read each question carefully. To earn maximum partial credit, show all work as you progress toward your nal answer(s). Be sure to specify units of any numerical answer, if
School: Cornell
Course: Dynamics
TAM 2030 Spring 2012 Dynamics Extra Credit Homework Posted: April 26 Due: May 11 Lets look some more at the simple car. Your solution to the extra problem on HW10 should have found the following equation of motion: x m+ 1 2 rw 4Iw + It + Ie 2 rt 2 re = T
School: Cornell
Course: Dynamics
TAM 2030 Spring 2012 Dynamics Homework 5 Posted: February 23 Due: March 6 (NOTE: this is a Tuesday, not a Friday) 1. Write your name, netid, assignment number, and discussion section number on the top of your paper. 2. From the textbook, do problems: 9.1
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
!"#$%&"'()( !"#$%&'()*)&)+$ *,)-$.-/-0*,1$+2&")*-,($3+(4+5)*6+/7$ $ ",8$1+)$ $ $ %-/6*,1$)9+(+$+2&")*-,(:$0+$-')"*,$ $ $ %*,5+$)9*($*($"$4/",+$()3+($!,-)$4/",+$()3"*,;#$43-'/+<:$)9+$,-3<"/$()3"*,$ $ $ =9+$()3"*,$<")3*>$3+/")*6+$)-$>:7:?$*($ $ $ !'#$@9+,$)
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
MAE 2120, Spring 2011 Project 3 Due Date: One zip file due May 15, 2011, 11:59PM. That file must contain your design report, your Matlab analysis program, the material input files for your 3 chosen materials, the f
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
2012 MAE 2120 Projects TO THE BATMOBILE! Background The Batmobile is the automobile of DC Comics superhero Batman. The car has evolved along with the character from comic books to television and films. Kept in the Batcave, which it accesses through a hidd
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
6/l 6 /4T T >Ya,+-v !fi+rE S;fl,il ,^ll*a >fls-i-t/ -Fr*yl ?J) 7' f:1 a) Q o * tft h4f -=> N Str,r' tL '^r Tfe, lc Bd ' i I C- J -J O : lA'c- 7t E f,F1= I ll'tAav- (5' ol "icaL=4d cl u-rl-A Tru' oJ OuiY /u t 3:Mx 1fJ3 Mr' = IurJ 6/ rTrJl-T o.z,t = 2 oa o
School: Cornell
Course: Spacecraft Engineering
MAE 3060 Spring 2014 Spacecraft Engineering Posted: February 28 Homework 5 Due: March 7 1. NOTE: This assignment has 2 pages! Write your name, netid, and the assignment number on the top of your paper. Patched Conics 2. Your spacecraft has an initial circ
School: Cornell
Course: Spacecraft Engineering
MAE 3060 Spring 2014 Spacecraft Engineering Posted: March 7 Homework 6 Due: March 14 1. NOTE: This assignment has 2 pages! Write your name, netid, and the assignment number on the top of your paper. Gravity assist 2. We showed in lecture that a gravity as
School: Cornell
Course: Heat Transfer
3-79 3-123 Circular aluminum fins are to be attached to the tubes of a heating system. The increase in heat transfer from the tubes per unit length as a result of adding fins is to be determined. Assumptions 1 Steady operating conditions exist. 2 The heat
School: Cornell
Course: Heat Transfer
3-97 3-143 The inner and outer surfaces of a long thick-walled concrete duct are maintained at specified temperatures. The rate of heat transfer through the walls of the duct is to be determined. 30 C Assumptions 1 Steady operating conditions exist. 2 Hea
School: Cornell
Problem Set #10 Solutions B- 8- 2) The switch is representative of a step response so we can analyze the system in the frequency domain. Apply a step input and inverse transform i(t):
School: Cornell
Copyright C 2013 by Mark L. Psiaki. All rights reserved. #6: MATLAB code: (headers omitted) % % Form the A, B, C, and D matrices of this partial model: % clear; clc; close all; %Define gain constants: Kp_phi = 8.0; Kd_phi = 1.36; K_sigma = 0.125; Kp_psi =
School: Cornell
MAE 3260 HW #9 Solutions Guide April 19, 2013 Problem 1 Part A Problem: Find a value of that produces a stable period-1 response at an xn value other than 0 for the map xn+1 = sin[2xn (1 xn )] and initial condition x0 = 0.99. Plot the resulting time histo
School: Cornell
MAE 3260 Assignment 8 Solution, Spring 2013 Sheet 1 of 19 Problem 1, Part a % % % % % % % % % file fpendulum_Problem1.m This Matlab .m-file is a modified version of fpendulu.m. It defines the nonlinear state-vector model for the pendulum accelerometer sys
School: Cornell
School: Cornell
School: Cornell
1 Copyright C 2013 by Mark L. Psiaki. All rights reserved 2 3 4 5 6 7 8 9
School: Cornell
MAE 3260 HW #1 Solutions Guide January 31, 2013 Problem 1 Problem: Derive the Laplace transform of the function f (t) = 0 t 3t e 5 t<0 t0 Solution: Use Line 7 in Table 2-1 of Ogata, where 1 5 Lcfw_f (t) = is a leading coecient and a = 3, 1 1 5 (s + 3)2 Pr
School: Cornell
M&AE 3260 Homework Assignment # 11. Spring 2013 Due Date: Thursday May 2nd at 4:30 p.m. When you hand in your assignment, be sure to list the names of all of the members of your homework group. Put this list in the upper right-hand corner of the first pag
School: Cornell
M&AE 3260 Homework Assignment # 9. Spring 2013 Due Date: Friday April 12th at 4:30 p.m. When you hand in your assignment, be sure to list the names of all of the members of your homework group. Put this list in the upper right-hand corner of the first pag
School: Cornell
Course: Dynamics
Lab #4 - Gyroscope Revised March 29, 2012 Introduction A gyroscope is an axisymmetric rigid object that spins about its symmetry axis. Often it has a large angular velocity, , about this axis. Some examples are a ywheel, the front wheel of a bicycle or mo
School: Cornell
Course: Dynamics
Lab #3 - Slider-Crank Lab Revised March 19, 2012 INTRODUCTION In this lab we look at the kinematics of some mechanisms which convert rotary motion into oscillating linear motion and vice-versa. In kinematics we use geometry and calculus to study motion wi
School: Cornell
Course: Dynamics
Lab #1 - One Degree-of-Freedom Oscillator Revised January 4, 2011 INTRODUCTION Engineers often have the challenge of making something oscillate the right amount or of trying to prevent something from oscillating too much. The mass-spring-dashpot is the pr
School: Cornell
Course: Dynamics
Lab #2 - Two Degrees-of-Freedom Oscillator Revised February 18, 2011 INTRODUCTION This lab shows some properties of linear vibrating systems with two or more degrees-offreedom. The example is the system illustrated in Figure (2.1) which has two degrees-of
School: Cornell
MAE 3780 MECHATRONICS FALL 2014 LAB 4: H-BRIDGE AND OPEN-LOOP SPEED CONTROL I N T RO D U C T I O N The purpose of this laboratory is to build an H-bridge for controlling the speed and direction of a DC motor and to learn how to operate it using a Pulse Wi
School: Cornell
MAE 3780 MECHATRONICS FALL 2013 L A B 2 : PA SSI VE C I RC U I T S T I M E R E SPO N SE A N D FI LT E R I N G In this laboratory we are going to analyze a 1st order system that takes the form of an RC circuit. Passive RC circuits are very useful and can b
School: Cornell
MAE 3780 MECHATRONICS FALL 2013 L A B 1 : K I RC H H O FF S L A W S A N D I N ST R U M E N TA T I O N The purpose of this laboratory is to get familiar with the electronic instruments that are basic tools used to carry out electrical measurements. This fi
School: Cornell
DVM890 Multifunctional Digital Multimeter Multifunctionele Digitale Multimeter Multimtre digital multifonctions USER MANUAL GEBRUIKERSHANDLEIDING MANUEL DUTILISATION DVM890 - Multifunctional Digital Multimeter 1. Introduction Your DVM890 is a professional
School: Cornell
School: Cornell
School: Cornell
Course: MECHANICAL PROPERTY AND PERFORMANCE LABORATORY
M&AE 3272 MECHANICAL PROPERTIES and PERFORMANCE LABORATORY Module #1 Spring 2013 1 1.1 Mechanical Property Measurements Introduction This lab introduces a variety of methods which permit you to determine the properties and performance measures of engineer
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
Darren Pagan ENGRD 2020 Prelim 1 Question 2 10/8/14 Prelim 1 Q2 Solution Part A (2 Pts) o 1/2 pt Labeled Coordinate System o 1/2 pt FREE body diagram (not attached to ground or wire) o 1 pts Correct description of forces and moments applied to body Part B
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
FIRSTPRELIM:ENGRD2210/MAE2210 TuesdayOctober21,7:309:30PM Youareallowedtobringonedoublesidedpageofequationsetc.withyoutothe exam.Allrequiredtablesandpropertyvalueswillbeprovided.Calculatorsare allowed,butmaynotbeusedforstoringinformation. Pleaseshowyourw
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
SECONDPRELIM:ENGRD2210/MAE2210 TuesdayNovember18,7:309:30PM Youareallowedtobringtwodoublesidedpagesofequationsetc.withyoutothe exam.Allrequiredtablesandpropertyvalueswillbeprovided.Calculatorsare allowed,butmaynotbeusedforstoringinformation. Pleaseshowyo
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
ENGRD 2020 MECHANICS OF SOLIDS Prelim I Examination Tuesday, September 30, 2014 Academic integrity is expected of all students at all times whether in the presence or absence of members of the teaching sta. If you understand this and agree that you will n
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
Sections 4.3 and 4.4 4.3 2 2 8 1 3 5 = 2(12 10) 2(4 5) + 8(2 3) = 4) Expanding on the rst row, 1 2 4 44 + 18 8 = 34 = 0, so the column vectors are independent. If we call the matrix A, then Ax = b is consistent for all b R3 since A has three pivots. Thus
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
E1.ConsideraheaterwithH2Oflowingthroughitasshownbelow.Thesystemoperatesatsteady state.Theinletandexittubeshavethesamecrosssectionalarea:0.03m2. a) WhatisthemassflowrateofH2O(kg/s)?[Answer:0.579kg/s] b) Whatisthemeanvelocityintheexitstream(m/s)?[Answer:0.6
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
C1.(36points)2kgofH2Ogoesthroughthecycle12341onthepvdiagrambelow,whichshows thevapor/liquiddome.Inthisproblem,p2=3.00bar,andp3=1.00bar p 2 1 4 3 v a) b) c) d) e) (10)FindthevaluesofT1,u2,andx3 (7)FindthevalueofWcycle,inkJ. (7)FindthevalueofQ23,inkJ. (7)F
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
A1.Amixtureofwaterandsteaminaclosedcontainerisatatemperatureof150C,andthequalityof themixtureis0.100. a) Findthespecificvolumeofthemixtureinm3/kg. b) Heatisaddedtothemixtureuntilthepressurereaches700kPa.Findthequalityofthemixture atthispressure. A2.Apisto
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
1 B-1. A weight of 50 kg is attached to an axle by means of a frictionless rope. The axle is attached to a paddle wheel that is immersed in 0.4 kg of a fluid inside a perfectly insulated container. (See
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
1 PRACTICE PRELIM QUESTIONS 1) A spacecraft needs to be cooled in order to counteract intense radiation by the sun. The temperature of the spacecraft is to be maintained at 300 K. The spacecraft carries liqui
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
ENGRD2210 MAKEUPFIRSTPRELIM October22,2013 57PM Youareallowedtobringonedoublesidedpageofequationsetc.withyoutothe exam.Allrequiredtablesandpropertyvalueswillbeprovided.Calculatorsare allowed,butmaynotbeusedforstoringinformation. Pleaseshowyourworkandreaso
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
ENGRD 2210 Thermodynamics Fall 2014 Homework 8 Due: 10/31/2014, 5 PM Please turn in only one copy per group (Upson Drop Box) Write group number and names of all contributing group members on the paper; whether it is a Wednesday or Thursday group Express a
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
ENGRD 2210 Thermodynamics Fall 2014 Homework 8 Due: 10/31/2014, 5 PM Please turn in only one copy per group (Upson Drop Box) Write group number and names of all contributing group members on the paper; whether it is a Wednesday or Thursday group Express a
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
Section 6.5 6.5 2 1 2 1 5 2 2 2 2 2 2 12 8 2 0 = 8 2) A = 2 0 so AT A = . As AT b = 1 0 3 1 0 3 8 10 2 3 2 3 1 24 12 8 x 24 , we have to solve = which has solution x = 4, y = 3 is 2 8 10 y 2 5 4 8 is an actual solution! our least squares solution. No
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
Sections 6.2, 6.3 and 6.4 6.2 1 0 1 5 0 5 2) 2 1 = 02+2 = 0, 2 2 = 5+4+1 = 0 and 1 2 = 1 2 1 1 2 1 0 2 + 2 = 0. The vectors form an orthogonal set. 1 1 2 1 1 1 9) 0 , 4 and 1 are mutually orthogonal (since 0 4 = 0, 0 1 1 2 1 1 1 2 1 2 1 =
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
Section 5.6, 5.7 and 6.1 5.6 2) We rst have to write x as a linear combination of the eigenvectors, that is solve 0 1 2 3 2 2 0 x = 5 . The solution is 1 . So 1 3 3 5 7 3 2 xk = Ak (2v1 + v2 + 2v3 ) = 2(3k )v1 + (.8)k v2 + 2(.6)k v3 which is approxima
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
Sections 5.3, 5.4 and 5.5 5.3 2) A = P DP 1 so A4 = P DP 1 P DP 1 P DP 1 P DP 1 = P D4 P 1 , since P 1 P = I . Thus A4 = 1 2 2 3 1 0 0 3 4 3 2 2 1 = 1 2 2 3 1 0 0 81 3 2 2 1 = 321 160 480 239 . 3 1 0 and 3 6) The eigenvalues are = 3, 3, 4. The null sp
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
Sections 4.5, 4.6, 4.7 4.5 p + 2q p 4) The set of all vectors 3p q is the span of the two vectors p+q These are clearly not multiples of one another, so their span is two form a basis of the span. 1 2 1 0 3 and 1 . 1 1 dimensional, and they 1 3
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
Sections 4.8, 5.1 and 5.2 4.8 1) Plugging in yn = 2n we see yk+2 + 2yk+1 8yk = 2k+2 + (2)2k+1 (8)2k = 2k [4 + 4 8] = 0. Similarly for yn = (4)n , yk+2 + 2yk+1 8yk = (4)k+2 + (2)(4)k+1 (8)(4)k = (4)k [16 8 8] = 0. 3) Suppose the two solutions in 1) above w
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
Sections 3.3, 4.1, 4.2 3.3 2) x1 x2 = 1 4 1 5 2 6 7 = 1 3 2 1 5 4 6 7 = 5/3 . 2/3 1 x1 6s 4 5 2s 4 5 10s + 8 7) = = 12s2136 = 12s2136 . x2 9 2s 2 9 6s 2 12s 45 As long as 12s2 = 36, there is exactly one solution. When 12s2 = 36, that is s = 3 we have that
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
ENGRD 2210 Thermodynamics Fall 2014 Homework 9 Due: 11/7/2014, 5 PM Please turn in only one copy per group (Upson Drop Box) Write group number and names of all contributing group members on the paper; whether it is a Wednesday or Thursday group Express al
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
Do Your Job Better Home Advice Do Your Job Better July 11, 2012 Grading and Its Discontents By Ahmed Afzaal I like to think of college as a community of learners whose members are engaged in a common enterprise as well as a shared struggle against the for
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
ENGRD 202 MECHANICS OF SOLIDS Final Examination Monday, December 11, 2006 Academic integrity is expected of all students at all times whether in the presence or absence of members of the teaching sta. If you understand this and agree that you will neither
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
ENGRD 202 MECHANICS OF SOLIDS Final Examination Thursday, May 20, 2004 Academic integrity is expected of all students at all times whether in the presence or absence of members of the teaching sta. If you understand this and agree that you will neither gi
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
Problem 1 a) Use the control volume energy equation and control volume mass balance to find an expression for u2, the final specific internal energy inside the container, in terms of properties of the fluid entering the container (Tinlet, hinlet, etc). Sy
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
a/g^-D zn,\0 \f2A/n. Announcements Prelim II will be returned at recitation after Thanksgiving. Homework #10 is due 5 PM today. Homework #11 will be later today (?) and due on the last day of classes. Poll for f,x<JL Covflrc+* W Cjb-A<L o<& CowUcf r*e
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
ENGR 2020 Prelim 2 Rubric Question 1 a) 2 pts all forces drawn correctly 1pt removing body from the wall b) 2 pts drawing a FBD of at least one bar by itself 3pts sum of moments about A 3pts sum of moments about B 2pts correct answer for N c) 2pts sum of
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
2014 Emerson Material and Parts Prices (Air Motor) All materials sold by length or by unit (each). Materials must be ordered through Emerson section of MAE 2250 order form. Orders will be available for pickup in Emerson 2-3 days after submission. Aluminum
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
SecondPrelim,ENGRD2210,Fall2013 Where,When,andWhat: Theexamis7:309:30PM,TuesdayNovember18,inOlin155and165.LastnamestartingwithGreenor earlierinalphabet:Olin165;Laterinthealphabet:155. Bringtwosheetsofpaper(doublesided)withnotes.Thismeansyouareallowedatot
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
SecondPrelim,ENGRD2210,Fall2014 Where,When,andWhat: Theexamis7:309:30PM,TuesdayNovember18,inUpsonB17andKimballB11.Lastnamestarting withAK:KimballB11;Laterinthealphabet:UpsonB17. Bringtwosheetsofpaper(doublesided)withnotes.Thismeansyouareallowedatotalof4
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
1 FirstPrelim,ENGRD2210 Where,When,andWhat: Theexamis7:309:30PM,TuesdayOctober21,inKimballB11andUpsonB17.Lastnamestartingwith AthroughK:KimballB11;LthroughZ:UpsonB17.Thereisnoroomtospareforeveryotherseat seatingintheserooms,sopleasemakesurethattheseatsnea
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
Math 2940, Prelim II: Solutions 1. (20 points) Let P3 be the vector space of polynomials of degree 3 . Let B = cfw_x3 + 9x2 18x + 6, x2 4x + 2, 1 x, 1 . a) Show that B is a basis in P3 . b) Find the coordinate vector [p(x)]B of the polynomial p(x) = x3 +
School: Cornell
Course: Dynamics
TAM 2030 Spring 2012 Dynamics Prelim 2: March 27, 2012 Instructions: Read each question carefully. To earn maximum partial credit, show all work as you progress toward your nal answer(s). Clearly label all equations (for example, Conservation of rope: or
School: Cornell
Course: Mechanical Properties And Selection Of Engineering Materials
MAE 2120: Mechanical Properties and Selection of Engineering Materials Spring 2012 Course Objectives: 1. Building on ENGRD 2020, further develop the fundamental analytical tools associated with mechanics of deformable bodies. 2. Introduce the fundamentals
School: Cornell
Course: Dynamics Of Flight Vehicles
M&AE 5070 Dynamics of Flight Vehicles Course Syllabus D. A. Caughey 248 Upson Hall dac5@cornell.edu Spring 2011 This course provides an introduction to the engineering science of ight dynamics the response of ight vehicles to external perturbing forces an