JME 3700
Midterm Quiz: March 19, 2013
Name:
Solutions
1. A brass cube of edge length LB and weight WB
is attached by a wire having negligible mass to
a block of styrofoam in a pool of water (Fig. 1).
This system is known to be in a condition of neutral bu

Syllabus
JME 3700: Introduction to Fluid Mechanics
This is the tentative information for the course and it is subject to change without notice. Check
periodically! Last updated on January 9, 2014.
#
DATE
TOPIC
NOTES
1 1/14
Introduction
2 1/16
Fluid Static

FML-3: Open Channel Flow
Tested: October 30, 2012
Due: November 20, 2012
JME 3721
Fluid Mechanics Laboratory
Group B5
Debra Marten (Group Leader)
_
Cody Schollmeyer
_
Jason Wheeler
_
Abstract:
Open Flow Channel experiments help us to understand how fluids

Fluid Mechanics Laboratory
JME 3721
Fluid Property Measurements
Tested: October 02, 2012
Due: October 16, 2012
Group B5
Jason Wheeler
_
Debra Marten
_
Cody Schollmeyer
_
Objective
The objective of this lab is to gain an understanding on the fluid properti

Data for Problem 8.130: Pressure Distribution in the Entrance Region of a Pipe
D, in.
0.74
L, in.
50
x, in.
0
1
2
4
6
10
15
20
30
40
50
h, in.
9.98
7.21
6.61
6.19
5.82
5.15
4.23
3.64
2.28
1.09
0
Q, ft^3/s
0.481
Hatm, in. Hg
29.7
T, deg F
75

JME 3700
April 6, 2010
Homework #10 Solutions
1. (10 pts) A pump increases the pressure in a certain piping system. The pressure rise across
this pump, P , depends upon the uid density , the volume ow rate Q, and the impeller
diameter and rotation rate, D

JME 3700
April 16, 2010
Homework #12 Solutions
1. (10 pts) A dragster of mass m = 730 kg crosses the nish
line at u0 = 120 m/sec, after which the driver deploys a
chute to slow the vehicle. The chute has an eective area of
2.3 m2 and exerts a drag force,

Syllabus
JME 3700: Introduction to Fluid Mechanics
This is the tentative information for the course and it is subject to change without notice. Check
periodically! Last updated on January 19, 2010.
#
DATE
TOPIC
NOTES
1 1/19
Introduction
2 1/21
Fluid Stati

Drag (sometimes called air resistance or fluid resistance) refers to forces that oppose
the relative motion of an object through a fluid. Drag forces act in a direction of the
oncoming flow velocity, opposite to the direction of movement. Drag forces depe

Newtonian Fluids are fluids which continue to flow regardless of the forces acting on it.
= du/dy ; blood is not Newtonian fluid.
If the fluid is compressible, density will very as a function of the elevation (changes with
a change in pressure).
Absolute

/.1
I
1.1 The force. F. of the wind blowing against a building is given by
F = CDPV' A/2. where Vis the wind speed. P the density of the air.
A the cross-sectional area of the building. and CD is a constant tenned
the drag coefficient. Detennine the dimen

FLUID MECHANICS
DENSITY, SPECIFIC VOLUME, SPECIFIC
WEIGHT, AND SPECIFIC GRAVITY
The denitions of density, specic volume, specic weight,
and specic gravity follow:
t = limit
Dm DV
c = limit
DW DV
c = limit
g : Dm DV = tg
DV " 0
DV " 0
DV " 0
also SG = /w =

JME 3700
Introduction to Fluid Mechanics
General Overview
Instructor: Prof. Michael Wendl
Assistants: TBA
Time: Tuesdays and Thursdays 5:30 pm to 7:00 pm
Location: James S. McDonnell Hall, Room 361
Synopsis: This course is an introductory treatment of the

Newtonian Fluids are fluids which continue to flow regardless of the forces acting on it.
= du/dy ; blood is not Newtonian fluid.
If the fluid is compressible, density will very as a function of the elevation (changes with
a change in pressure).
Absolute

JME 3700
April 8, 2010
Homework #11 Solutions
1. (10 pts) Here, well see another remarkable demonstration of how dimensionless analysis can
furnish certain pieces of physically signicant information almost magically. It is known empirically that radius R

JME 3700
March 26, 2010
Homework #9 Solutions
1. (10 pts) In cylindrical coordinates, we can write velocity in the general form V = urr + u +
i
i
z , where r , , and z are the base vectors in the radial, angular, and axial directions,
uz i
i i
i
respectiv

JME 3700
January 29, 2010
Homework #2
1. (10 pts) A solid foam buoy of density o
oats in water of density w such that its
anchoring cable is taught (Fig. 1). Its diameter and height are both D, while its height
abovewater is d. The water depth is h. Takin

JME 3700
January 21, 2010
Homework #1
1. (10 pts) Later we will study the concept of drag force on a vehicle, FD , for which well develop
a general expression of the form
u 2 A CD
FD =
,
2
where is uid density, u and A are characteristic vehicular veloci

JME 3700
February 26, 2010
Homework #6
g
1. (10 pts) A 2dimensional inverted cup (shaded area) is
held steadily aloft by a vertical stream of liquid having
density and velocity V0 that is deected as shown in
Fig. 1. The incoming stream of crosssectional a

JME 3700
March 4, 2010
Homework #7
1. (10 pts) Liquid of density ows horizontally
through a device having inlet and outlet areas of
2A and A, respectively, and corresponding velocities of V1 and V2 (Fig. 1). Shaft work is added at
a rate of Ws = 3 V23 A /

JME 3700
April 8, 2010
Homework #11
1. (10 pts) Here, well see another remarkable demonstration of how dimensionless analysis can
furnish certain pieces of physically signicant information almost magically. It is known empirically that radius R of a highp

JME 3700
April 16, 2010
Homework #12
1. (10 pts) A dragster of mass m = 730 kg crosses the nish
line at u0 = 120 m/sec, after which the driver deploys a
chute to slow the vehicle. The chute has an eective area of
2.3 m2 and exerts a drag force, FD (Fig. 1

JME 3700
April 5, 2010
Homework #10
1. (10 pts) A pump increases the pressure in a certain piping system. The pressure rise across
this pump, P , depends upon the uid density , the volume ow rate Q, and the impeller
diameter and rotation rate, D and , res

JME 3700
March 26, 2010
Homework #9
1. (10 pts) In cylindrical coordinates, we can write velocity in the general form V = urr + u +
i
i
z , where r , , and z are the base vectors in the radial, angular, and axial directions,
uz i
i i
i
respectively. It ca