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### HW3_solution

Course: MAE AE112, Spring 2009
School: UC Irvine
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UC Irvine - MAE - AE112
UC Irvine - MAE - AE112
UC Irvine - MAE - AE112
UC Irvine - MAE - AE112
UC Irvine - MAE - AE112
MAE 112 PROPULSION Winter 2009 Catalog Data:Application of thermodynamics and fluid mechanics to basic flow processes and cycle performance in propulsion systems: gas turbines, ramjets, scramjets, and rockets. Prerequisite: MAE135. (Design units: 1
UC Irvine - MAE - AE112
Due: January 16, 2009 MAE 112 Winter 2009 Homework Assignment #11.(a) Calculate AF at stoichiometric condition (AFst) for methyl alcohol CH3OH (aka methanol) burning in air. AF is the ratio of mass flow of air to mass flow of fuel. Also, calculat
UC Irvine - MAE - AE112
Due: January 23, 2009 MAE 112 Winter 2009 Homework Assignment #2 1. Consider a rocket engine that uses liquid oxygen and liquid ethanol (C2H5OH) fuel aka ethyl alcohol. The oxygen mass-flow rate is 2.00 times greater than the fuel massflow rate. Etha
UC Irvine - MAE - AE112
Due: January 30, 2009MAE 112 Winter 2009 Homework Assignment #31. Consider a jet engine flying at a Mach number of 1.5. A normal shock sits at the entrance of the divergent diffuser. The diffuser entrance cross-sectional area is 3.0 ft2. The ambi
UC Irvine - MAE - AE112
Due: February 6, 2009 MAE 112 Homework Assignment #4 1. Do Problem 18, Pages 214-5, Hill &amp; Peterson. Note that specific thrust is defined as thrust per unit mass flow of air. It is used to normalize and to be able to compare engines of different size
UC Irvine - MAE - AE112
Due: February 20, 2009 MAE 112 Homework Assignment #51. Do problem #8 on page 211 of Hill and Peterson text. 2. Do problem #9 on pages 211-12 of Hill and Peterson text. 3. Consider a turbine stage that has a polytropic efficiency of 0.97 for the st
UC Irvine - MAE - AE112
MAE 112 Propulsion Homework Assignment #7 Due: March 6, 2009 1. Consider a turbofan engine flying at a Mach number of 0.8 with an ambient pressure of one atmosphere and an ambient temperature of 500R. The intake has .98 polytropic efficiency. The air
UC Irvine - MAE - AE112
MAE112, Winter 2009 Schedule Class meets Tuesday &amp; Thursday (ET 204), 2 3:20 pm, and Wednesday (ICF 103), 2-3:50 pm. Tuesday and Thursday classes will usually be lectures and Wednesday classes will usually be discussion sessions. The exceptions incl
UC Irvine - MAE - AE112
MAE 112 PROPULSION FIRST EXAM February 11, 2009Do all three problems in one-hundred-and-ten minutes. Books, notes and calculators (without wireless communication capability) can be used freely.1. Consider a liquid-propellant rocket engine where li
UC Irvine - MAE - AE112
MAE 112 PROPULSION FIRST MIDQUARTER EXAM February 7, 2008Do all three problems in eighty-five minutes. Books, notes and calculators can be used freely. I. Consider a liquid-propellant rocket engine where one hundred kilograms per second of liquid o
UC Irvine - MAE - AE112
MAE 112 Propulsion Homework Assignment #6 Due: February 27, 20091)Suppose we had two parallel flows with equal mass flow rates, one at a stagnation temperature of 1800R and the other at 2400R. Each flow had a stagnation pressure of fifteen atmosph
UC Irvine - MAE - AE112
MAE 112 SECOND EXAM March 11, 2008 Do all three problems in eighty minutes. Open books and notes. Calculator allowed. I. Consider a turboprop engine that flies at a Mach number of 0.45 with ambient conditions at 298 K and one atmosphere of pressure.
UC Irvine - MAE - AE112
UC Irvine - MAE - AE112
UC Irvine - MAE - 146
MAE 146: AstronauticsDynamicsMAE146: Astronautics IntroductionNewton's laws of motionWe have seen that the motion of a given particle appears differently for 2 different observers (reference frames) There is a priori no prefered reference fra
UC Irvine - MAE - 146
MAE 146: AstronauticsForces overviewMAE146: Astronautics IntroductionGoals and OverviewNewtonian mechanics allows for prediction of the motion of particles once the following pieces of information are given: ReviewAn inertial frame The
UC Irvine - MAE - 146
UC Irvine - MAE - 146
MAE146: Astronautics Homework #1Assigned: Friday, January 9th , 2007 Due date: Friday , January 16th , 2007, (at the beginning of the lecture)Please justify all of your answers.Problem 1 (30pts): Look a UFO! 1. One of your friend working at the
UC Irvine - MAE - 146
UC Irvine - MAE - 146
MAE146: Astronautics Homework #2Assigned: Saturday, January 17th , 2007 Due date: Monday , January 26th , 2007, (at the beginning of the lecture)Please justify all of your answers and explain your reasoning with sentences.Problem 1 (30pts): On
UC Irvine - MAE - 146
UC Irvine - MAE - 146
UC Irvine - MAE - 146
UC Irvine - MAE - 146
% Small script to solve HW3, Pb3 % = % Some conversion d2r = pi/180.0; % r2d = 180.0/pi; % m2d = 1.0/60.0; % factors degrees to radians radians to degree minutes to degreeend end % Results at burnout alt_i(Ni) fpa_i(Ni) alt_l(Nl) fpa_l(Nl) % Trajec
UC Irvine - MAE - 146
MAE146: Astronautics Homework #5Assigned: Friday, February 13th , 2008 Due date: Friday , February 20th , 2008, (at the beginning of the lecture)Note: Textbook refers to Wiesels book, Spaceight dynamics. Please justify all of your answers. Proble
UC Irvine - MAE - 146
UC Irvine - MAE - 146
UC Irvine - MAE - 146
UC Irvine - MAE - 146
UC Irvine - MAE - 146
MAE 146: Astronautics Introductory LectureSpace in our Society and as EngineerMAE146: Astronautics IntroductionLecture Goals and OutlineGoalsPlace the course in a broader picture Invite you to think about the space enterpriseAstronau
UC Irvine - MAE - 146
Syllabus MAE146:AstronauticsWinterQuarter2009Instructor: BenjaminF.Villac Office:EG3227;Phone:8248148;Email:bvillac@uci.edu Officehours: Tu9:009:50amand11:0011:50amEG3227 Othertimesbyappointment. RoyCulver Email:culver @uci.edu Officehours:Tu,Th1:
UC Irvine - MAE - 146
MAE146: Astronautics Midterm ExamImportant Notes: Please justify all of your answer with equations and sentences in order to receive full grade. 10 pts will be given to presentation; any clean, readable copies will receveive these points. Exams
UC Irvine - MAE - 146
MAE 146: AstronauticsMODELINGMAE146: Astronautics IntroductionLecture Goals and MotivationsGoals Def:Introduce the notion of modeling Discuss the basic models used in astronauticsModeling consists of the activity of formulating mathema
UC Irvine - MAE - 146
MAE146: Astronautics Design ProjectAssigned: Saturday, February 7th , 2009 ; Due date: Friday, March 13th , 2009.Project Overview Asteroids provide a unique way to look in the early history of the solar system. In particular asteroid composition
UC Irvine - MAE - 146
MAE 146: AstronauticsTIME MODELINGMAE146: Astronautics IntroductionTimeDef: Prop:In Newtonian mechanics, time is independent of space Time is modeled as Euclidean 1-space. A time reference frame is required to specify events and consists o
UC Irvine - MAE - 146
TopiclistandExaminations MAE146:AstronauticsWinterQuarter20091. ModelingGravitationalforceandpotential.Referencesystems.Staticatmosphericmodel.Apparentmotionofthe sky.Designprojecthandedoutwithinthefirst2weeksofinstructions. 2. RocketryRocketequ
UC Irvine - MAE - 10
c Chapter 2, problem 3 PROGRAM MAIN * * Program to determine the area and hypotenuse of a right triangle * * triangle given the lengths of its two legs. Variables used are: * * LEG1 : length of one leg of the triangle * * LEG2 : length of the other l
UC Irvine - MAE - 10
PROBLEM 3.5 Program column Real L,S Character *3 units Parameter (units = 'psi') *Prompt user to input slimness ratio (S) print*, 'enter slimness ratio (S) value' read*, S *propose if statements for 2 different situations for S and calculations IF (S
UC Irvine - MAE - 10
PROBLEM 4.5: PROGRAM FIBON IMPLICIT NONE INTEGER I, N, NEW, OLD1, OLD2 * Prompts user to enter the amount of Fibonacci numbers PRINT*, 'PLEASE ENTER HOW MANY FIBONACCI NUMBERS YOU WANT' PRINT*, 'CALCULATED, BUT DO NOT EXCEED 46' READ*, N * Calculates
UC Irvine - MAE - 10
Ch. 5,Problem 2Program mulquo Integer num1, num2, prod, quo, remain *prompt user to input values print*, 'enter two three-digit integers' read*, num1, num2 *carry out calculations to be printed to user prod = num1*num2 IF (num1 .LT. num2) THEN qu
UC Irvine - MAE - 10
Ch. 6, Problem 10 Program binom Integer n,k,bicoef,fact *implement do loops to calculate binomial coefficients with n running from 0-10 *and k running from 0 through n for every such n. DO 10 n = 1,10 DO 10 k = 0,n bicoef = fact(n)/(fact(k) * fact(n-
UC Irvine - MAE - 10
MAE-10 Midterm Examination I Winter 2009 Short answersGive short answers to the following questions. (2 pts each) Express the decimal number 3499 in hexadecimal. Express the binary number 10001 in octal. Name two high-level computer languages oth
UC Irvine - MAE - 10
Midterm 1 W09 Key: SHORT ANSWERS - Decimal number 3499 = Hexadecimal number DAB - Binary number 10001 = Octal number 21 - Java and C - g77 and gfortran - UNIX and WindowsPROBLEM 1 1.) Print statement is missing *, 2.) Semi-colon should be replaced
UC Irvine - MAE - 10
MAE-10 Midterm Examination II Winter 2009 Short answersGive short answers to the following questions. (2 pts each) Express the octal number 777 in binary. Express the hexadecimal number FFF in decimal. In what city and country is the supercompute
UC Irvine - MAE - 10
Midterm 2 W09 Key: SHORT ANSWERS - Octal number 777 = binary number 111111111 - Hexadecimal number FFF = decimal number 4095 - Barcelona, Spain - -9. - Speed History - Charles Babbage - First programmer - Transistor; low cost, small in size UNIX 1. R
UC Irvine - MAE - 157
MAE157 Lightweight structures (Winter 09) Homework Assignment #1 Due in the drop box by 1pm on Friday, January 23, 2009 Solve the five following problems. For each problem, provide a detailed explanation of all the steps involved. Problem 1 The two
UC Irvine - MAE - 157
MAE157 Lightweight structures (Winter 09) Homework Assignment #2 Due in the dropbox on Friday, Jan 30th Solve the four following problems. For each problem, provide a detailed explanation of all the steps involved. Problem 1 Problem 16.2, on page 49
UC Irvine - MAE - 157
MAE157 Lightweight structures (Winter 09) Homework Assignment #3 Due in the drop box by 1pm on Friday, February 6, 2009 Solve the four following problems. For each problem, provide a detailed explanation of all the steps involved.Problem 1 An Alum
UC Irvine - MAE - 157
MAE157 Lightweight structures (Winter 09) Homework Assignment #4 Due in the drop-box on Friday, Feb 13th Solve the four following problems. For each problem, provide a detailed explanation of all the steps involved. Problem 1 Problem 17.7 on page 52
UC Irvine - MAE - 157
MAE157 Lightweight structures (Winter 09) Homework Assignment #5 Due in the drop box on Friday, Feb 27th Solve the following four problems. For each problem, provide a detailed explanation of all the steps involved. Problem 1 Problem 18.13 on page 5
UC Irvine - MAE - 157
MAE157 Lightweight structures (Winter 09) Homework Assignment #6 Due in the drop box by 1pm on Friday, March 6, 2009 Solve the four following problems. For each problem, provide a detailed explanation of all the steps involved.Problem 1 An Aluminu
UC Irvine - MAE - 157
UC Irvine - MAE - 157
UC Irvine - MAE - 157
Lecture8_problem.nb1Calculations for the problem worked out in lacture 8In[1]:= In[2]:=Clear@xD Clear@yDDefinition of loads and geometryIn[3]:= Out[3]= In[4]:= Out[4]= In[5]:= Out[5]= In[6]:= Out[6]=Sy = -1000 -1000 h = 0.1 0.1 t = 0.003
UC Irvine - MAE - 157
MAE157 Winter 09 DESIGN PROJECT Objective: Design a minimum-weight cantilever beam that must withstand an end load P = 1kN over a span L = 2m , without yielding or buckling. A number of constraints are imposed on the materials and the cross-section
UC Irvine - MAE - 157
S.17.7Initially the position of the centroid, C, must be found. From Fig. S.17.7, by inspection y = a. Also taking moments about the web 23 (2at + 2a2t + a2t) = a2t x a + 2ata 2from which x = 3a/8. To nd the horizontal position of the shear cent
UC Irvine - MAE - 157