ChE 243: Fluid Dynamics
Problem Set # 9, Due: April 24, 2012
Reading: WWWR Chapter 12
Problem Solving:
1. (20 points)
If Reynolds' experiment were performed with water at 60oF in a pipe with an inside diameter of
38 mm, what flow velocity would occur at t
Homework Hints for Homework Set #7
For this week the answers are mostly equations so this hints" will focus more on
hints than numerical answers.
Please take a moment to look at the Equation Sheets for Exam 2 and perhaps start
using this as your
ChE 243: Fluid Dynamics
Problem Set # 7
Due: April 4, 2017
Reading: WRF Chapter 9
Problem Solving (645 points total):
1.
(20 points)
The compressible form of the continuity equation is given by
+ v = 0
Expand this equation as far as possible in Cartesian
ChE 243: Fluid Dynamics
Problem Set #2
Due: Tuesday, February 7, 2017
Reading: WRF Chapter 2
Problem Solving: (455 points total)
1.
(15 points)
The practical depth limit for a suited diver is about 185 meters. What is the gage pressure of sea
water at tha
ChE 243: Fluid Dynamics
Problem Set #1
Due: Tuesday, January 31, 2017
Reading: Textbook (a.k.a. as WRF, which is the first letter of authors last names) Chapter 1
Problem Solving (410 points total):
1. (15 points)
Math refresher (dont make these difficult
Homework Hints for Homework #1
Problem 1
(a) Separate and integrate, dont forget the constant of integration.
(b) Keep this simple, it is a definition you know.
(c) Integrate and solve for !" . We will see later that this represents the shear
stres
FLUID MECHANICS
FOR
CHEMICAL ENGINEERS
Introduction
Fluid mechanics, a special branch of general mechanics, describes
the laws of liquid and gas motion. Flows of liquids and gases play an
important role in nature and in technical applications, as, for
exa
ChE 243: Fluid Dynamics
Problem Set # 2,
Due: February 7, 2012
Reading: WWWR Chapter 2
Problem Solving: (210 points total)
1. (15 points)
Solid particles of density are uniformly dispersed in a fluid of density . Show that if X is the
mass fraction of sol
ChE 243: Fluid Dynamics
Problem Set #1
Due: Tuesday, January 31, 2011
Reading: WWWR Chapter 1
Problem Solving: Total Points = 145 Possible
1. (10 points)
Which of the quantities listed below are flow properties and which are fluid properties?
a.
b.
c.
d.
ChE 243: Fluid Dynamics
Problem Set # 4, Due: March 6, 2012
Reading: WWWR Chapter 6
Problem Solving:
1. (20 points)
Determine the headloss between points 1 and 2 if the flow rate is constant at 3 ft3/s and the
solution has a specific gravity of 0.8.
2. (4
ChE 243: Fluid Dynamics
Problem Set # 7, Due: April 3, 2012
Reading: WWWR Chapter 9
Problem Solving (200 points total):
1.
(25 points)
Find an equation for
done by using
in polar coordinates by taking the derivative of the velocity. This can be
And
Rememb
ChE 243: Fluid Dynamics
Problem Set # 6, Due: March 27, 2012
Reading: WWWR Chapters 7 and 8
Problem Solving (250 points total):
1.
(20 points)
Calculate the viscosity of Oxygen at 241.15 . Please make a statement as to the agreement of
your result with da
ChE 243: Fluid Dynamics
Problem Set # 4
Due: February 21, 2012
Reading: WWWR Chapter 5
Problem Solving:
1. (25 points)
A water jet pump at 32 has an area of
and a jet velocity
, which
entrains a secondary stream of water having a
velocity
in a constant-ar
ChE 243: Fluid Dynamics
Problem Set # 8, Due: April 17, 2012
Reading: WWWR Chapters 9 and 10
Problem Solving (200 points total):
1. (20 points)
1 (rv ) vr
In polar coordinates show that v
.
r r
2. (20 points)
For the case of a source at the origin wit
ChE 243: Fluid Dynamics
Problem Set # 7
Due: March 29, 2016
Reading: WRF Chapter 9
Problem Solving (565 points total):
1. Problem 9.1 (40 points)
Apply the law of conservation of mass to an element in a polar coordinate system and obtain the
continuity eq