1. For the vessel containing glycerin ( = 12.34 kN/m3) under pressure as shown in
fig, find the pressure at the bottom of the tank.
Ans: 74.68 kPa
2. Find the atmospheric pressure in kilopascals if a mercury barometer reads
742mm.
Ans: 98.9 kPa
3. An open
1. A layer of water flows through an inclined fixed surface with the velocity profile shown
in Fig. Determine the magnitude and direction of the shearing stress that the water exerts
on the fixed surface for U = 2 m/s, h = 0.1 m, and = 1.12 10-3 N.s/m2.
(
Using Integral Method
1.
The lower corner of a water tank has the shape of a quadrant of a circle of radius R. The liquid surface
is H height above the centre of curvature. The liquid tank is W long into the paper. Find the
magnitude and line of action of
HW9 (Optional)
Due No Due Date Points 20 Submitting on paper
Available Sep | at 12am - Dec 13 at 11:59pm 3 months
This last HW is ungraded (nothing to turn in). Nevertheless. you should attempt the problems. Solutions are posted so
you can check your work
Lecture No. 11
BITS Pilani, K K Birla Goa Campus
Ch. 3: Fuel-Air Cycles and their
Analysis
BITS Pilani, K K Birla Goa Campus
Introduction Fuel-Air Cycle
The basic problem in the air-cycle analysis is that it
is based on highly simplified assumptions.
Th
Lecture Topics on 12-08-2016
Chapter 2 Fluid Statics
Learning Objectives
2.1 Pressure at a Point
2.2 Basic Equation for Pressure Field
2.3 Pressure Variation in a Fluid at Rest
2.3.1 Incompressible Fluid
ME F212 Fluid Mechanics
Chapter 2
Fluid Statics
Pre
Mid Term Exam
ME 241 Fluid Mechanics
Fall 2011
Total 100 points. Time allowed 45 minutes
Please write your NAME here:
STOP!
Do not turn to the next page until you are asked to start the exam!
1
1. The wave speed on the interface of two fluids is
C=
!
"1/2
ME 241: Homework 7
1. Water discharges through a well rounded, frictionless orifice under a head h1 . (The water
level in the tank may be considered constant.) The jet impinges on a large flat plate that
covers the orifice of a second tank in which the wa
ME 241 Fluid Mechanics
Fall 2014
Total 100 points. Time allowed 45 minutes
Please write your NAME here:
STOP!
Do not turn to the next page until you are asked to start the exam!
1
Please circle the best possible answer to each of the following 5 questions
Mid Term Exam
ME 241 Fluid Mechanics
Fall 2010
Total 100 points. Time allowed 45 minutes
Please write your NAME here:
STOP!
Do not turn to the next page until you are asked to start the exam!
1
1. A cylinder of 0.122 m radius rotates concentrically inside
Mid Term Exam
ME 241 Fluid Mechanics
Fall 2011
Total 100 points. Time allowed 45 minutes
Please write your NAME here:
STOP!
Do not turn to the next page until you are asked to start the exam!
1
1. The wave speed on the interface of two fluids is
r
C=
Wher
ME 241: Homework 4
1. When an airplane is flying 200 mph at 5000-ft altitude in a standard atmosphere, the air
velocity at a certain point on the wing is 273 mph relative to the airplane. (a) What suction
pressure is developed on the wing at that point? (
ME 241: Homework 6
1. Two Pitot tubes are shown in Figure 1. The one on the top is used to measure the velocity
of air, and it is connected to an air-water manometer as shown. The one on the bottom is
used to measure the velocity of water, and it too is c
ME 241: Homework 8
1. A velocity field is given by
V = (3y 2 3x2 )i + Cxyj + 0k.
Determine the value of the constant C if the flow is to be (a) incompressible and (b) irrotational.
2. A two-dimensional velocity field is given by
u=
Ky
,
x2 + y 2
v=
Kx
x2
ME 241: Homework 3
1. Compute the barometric pressure at an altitude of 1200 m if the pressure at sea level is
101.4 kP a. Assume isothermal conditions at 20o C.
2. The figure below shows a water tank with dimensions as indicated. The width, i.e. the
dime
ME 241: Homework 1A
V L
,
where and are respectively the density and viscosity of the fluid, and V and L are characteristic velocity and length terms. Show that Re is non-dimensional, i.e., it has no dimensions.
1. An important parameter in fluid mechanic
ME 241: Homework 1B
1. If the density of a liquid is 835 kg/m3 , find its specific weight and specific gravity.
2. If 6 m3 of oil weighs 47kN, calculate its specific weight , density , and specific gravity.
3. Two cubic feet of air at atmospheric pressure
ME 241: Homework 2
1. A 5 kg cube 12 cm on a side slides down an oil-coated incline. If the incline makes a 10o
angle with the horizontal and the oil layer is 0.2 mm thick, estimate the speed with which
the block slides down the incline. The viscosity of
Lec. 5: Functions and Scripts
(Attaway 6.1-6.4)
5.1
CENG 15
Fall 2016: Dr. Drews
Arduino
1. Work through the Arduino coding example.
2. Get through as much tinkering as possible
5.2
Functions and Scripts in M ATLAB
3. Any program in almost any language is
Lec. 6: Functions and Plots
(Attaway 11.2, 3.5)
6.1
CENG 15
Fall 2016: Dr. Drews
Function Practice
Here well practice a few examples of writing functions and well introduce a few useful M ATLAB functions along
the way.
1. If the function is only supposed
Lec. 3: Arrays
(Attaway, Ch. 2, 2.1-2.3)
3.1
CENG 15
Fall 2016: Dr. Drews
Arduino
1. Work through the Lecture 3 handout with the Arduino up through Tinkering, Step 3.
2. Be careful with those LEDs!
3.2
Vectors
3. A vector in M ATLAB is a row or column of
Lec. 10: Root-finding
(not in book)
10.1
CENG 15
Fall 2016: Dr. Drews
What is a root?
1. A root, also called a zero, is a value of x the results in f (x) = 0.
2. Some roots are easy to spot and you probably learned a few in your algebra class. For example
Lec. 18: Course Review
(not in book)
18.1
CENG 15
Fall 2016: Dr. Drews
First Half: Introduction to M ATLAB
1. Lec 00-03: Interfacing with M ATLAB.
1.1. Variables have classes; dont mix operations on classes. See also class().
1.2. Vectors are 1-by-n or n-
Lec. 17: String Manipulation
(Attaway Ch. 7)
17.1
CENG 15
Fall 2016: Dr. Drews
Basic String Concepts
1. A character is some kind of symbol. It can be a number, letter, or symbol and is of class 'char'.
1.1. Character data types are usually denoted with si
Lec. 12: Ordinary Differential Equations (ODEs)
(not in book)
12.1
CENG 15
Fall 2016: Dr. Drews
Differential equations
1. An algebraic equation is how we express the dependence of one variable on another, and these are what weve
been using up until now. F
Lec. 13: Coupled and Higher Order ODEs
(not in book)
CENG 15
Fall 2016: Dr. Drews
Higher-order ODEs
To solve a higher-order ODE use the following algorithm:
1. Determine the order of the ODE.
2. Move the highest-order term to the LHS and everything else t
Lec. 8: Loop Statements
(Attaway 5.1-5.3)
8.1
CENG 15
Fall 2016: Dr. Drews
Arduino
1. Work through the Arduino handout and complete the Tinkering modifications if you have time.
8.2
The for loop
2. Read M ATLABs documentation for the for loop structure.
2
Lec. 7: Selection Statements
(Attaway 4.1-4.5)
7.1
CENG 15
Fall 2016: Dr. Drews
Arduino
1. Work through the Arduino handout and complete the Tinkering modifications if you have time.
7.2
The if case structure
2. Read M ATLABs documentation for the if case
Lec. 11: The fzero function
(Attaway, Ch. 10, 10.3-10.4)
11.1
CENG 15
Fall 2016: Dr. Drews
Function handles
1. According to M ATLAB, a function handle is a data type that stores an association to a function.
2. In practice, a function handle is something