Spring 2012, JHU
Profs. Konstantopoulos, Prakash
540.303 TRANSPORT PHENOMENA I
Homework 4: Due 30 March 2012 (100 points)
1. Water enters a 2D square channel of constant width, h , with uniform velocity, U . The
channel makes a 90 bend that distorts the f

Due 8th April
Spring 2011
540.303 TRANSPORT PHENOMENA I
Homework 4
1. Water (
995 kg.m 3 ) enters one end of a perforated, round pipe of diameter 0.3 m and
length 2.0 m with an average velocity of 8 m.s 1 . Water discharges from the pipe in two
places: th

Spring 2012
JHU
540.303 TRANSPORT PHENOMENA I
Homework 3: Due 2 March 2012
1. BSL Problem 2B.4 (p. 64). Laminar slit flow with a moving wall (plane Couette flow).
Use the equations of motion (and continuity) to derive the velocity and stress distributions

Spring 2014
JHU
540.303 TRANSPORT PHENOMENA I
Homework 5: Due 28 March 2014
1. Determine the velocity of the fluid exiting the tank as shown given that the fluid is
exiting through a cylindrical tube at atmospheric pressure. Determine the kinetic energy
o

Spring 2012
JHU
540.303 TRANSPORT PHENOMENA I
Homework 8: Due 4 May 2012
1. Problem 18.B.8 from BSL: Method for separating helium from natural gas. (15 points)
2. A fluidized coal reactor has been proposed for a new power plant. If the coal can be assumed

Spring 2012
JHU
540.303 TRANSPORT PHENOMENA I
Homework 3: Due 2 March 2012
1. BSL Problem 2B.4 (p. 64). Laminar slit flow with a moving wall (plane Couette flow).
Use the equations of motion (and continuity) to derive the velocity and stress distributions

Spring 2012
JHU
540.303 TRANSPORT PHENOMENA I
Homework 5: Due 6 April 2012
1. Problem 10.A.6 from BSL: Insulating power of a wall (p. 321).
2. A firebrick whose thermal conductivity variation with temperature can be described as
k 0.1 5 105T where k is in

540.303&Transport&Phenomena&I&
Extra&Practice&Problems&
!
Problem&1&
!
Heat transfer at steady-state in a hollow sphere is one-dimensional if the inside surface is
at constant temperature T1 and the outside surface is at constant T2. (15pts)
a) Show that

Integral Balance Problems - Strategies
The integral balance approach, unlike the two major approaches covered previously - shell balance and
equations of change, does not address what specifically is going on insi

Spring 2014
540.303 Transport Phenomena I
Homework 6
1. A current of 250 A is passing through a stainless steel wire that has a diameter of
5.08 mm. The wire is 2.44 m long and has a resistance of 0.0843 ohms. The outer
surface is held constant at 4

540.303 TRANSPORT PHENOMENA I
Homework 4: Due October 6 at the beginning of class. No penalty to turn in the problem set on
Friday but it will not be graded before the test on 10/11.
1. Problem 13 Chapter 3 from Ramachandran. Instead of deriving the expre

Spring 2014
540.303 TRANSPORT PHENOMENA I
Objectives: Final Exam
May 10, 2011; 9:00 a.m. - 12:00 p.m
CLOSED BOOKS; CLOSED NOTEBOOKS
The Equations of Change will be provided to you.
You should be able to :
1. Understand and explain the analogies between he

Due 29th April
Spring 2011
540.303 TRANSPORT PHENOMENA I
Homework 7
1. Starting with Ficks equation for diffusion of A through a binary mixture of A and B
NA
cDAB x A
x A(N A
NB )
derive the following relations, stating the assumptions made in the derivat

Spring 2012
JHU
540.303 TRANSPORT PHENOMENA I
Homework 7: Due 27 April 2012
1. Starting with Ficks equation for diffusion of A through a binary mixture of A and B
N A cDAB x A x A (N A N B )
derive the following relations, stating the assumptions made in

Spring 2014
Prof. Konstantopoulos
540.303 TRANSPORT PHENOMENA I
Homework #3
1. The second order tensor, T, and vector, V, are given below in
Cartesian coordinates:
T has elements such that Tij = i+j. For example, T11 = 2, T21 = 3, T33 = 6,
etc.
V

540.303 TRANSPORT PHENOMENA I
Homework 9 2016 Due December 2 5pm
1.
2.
3.
4.
5.
Problem 10 Chapter 9 in text
Problem 11 Chapter 9 in text
Problem 12 Chapter 9 in text
Problem 14 Chapter 9 in text
Problems 3-4 Chapter 10 in text
6. Problem 6 Chapter 10 in

540.303 TRANSPORT PHENOMENA I
Homework 1: Due September 16 2016 at 5pm
1. Estimate the viscosity of nitrogen (in Pas) at 68oF and 1000 psig by means of the
corresponding state theorem.
2. Problem 25 in Ramachandran
3. Problem 29 in Ramachandran
4. Problem

540.303 Transport Phenomena I HW8
1. Using the equation of change for non-isothermal systems, determine the temperature
distribution (at steady state) in a plane wall if the rate of internal heat generation per unit
volume varies according to Q, = Q0 exp(

540.303 TRANSPORT PHENOMENA I
Homework 10 2016 Due December 8 5pm
1. A droplet of liquid A, radius r1, is suspended in a stream of gas
B. We postulate that there is a spherical stagnant gas film of
radius r2 surrounding the droplet. The concentration of A

540.303 TRANSPORT PHENOMENA I
Homework 6: Due October 28 5pm.
1. Problem 2 Chapter 6 Ramachandran
2. Consider the falling cylinder viscometer as shown. Fluid of
density r whose viscosity is to be measured is placed in the
outer cylindrical vessel, which s

540.303 TRANSPORT PHENOMENA I
Homework 5: Due October 21 5pm.
1. Three parallel flat plates are separated by two fluids. Plate 1 (on the bottom) is at rest.
Water of viscosity 0.8007 cp at 30C lies between plates 1 and 2. Toluene of viscosity
0.5179 cp at

540.303 TRANSPORT PHENOMENA I
Homework 2: Due Sept 23 2016
1. The Hoover Dam backs up the Colorado River and creates Lake Mead, which is approximately
115 miles long and has a surface area of approximately 225 square miles. If during flood
conditions the

540.303 TRANSPORT PHENOMENA I
Homework 7: Due 11/4/2016 5pm
1. A firebrick whose thermal conductivity variation with temperature can be described as
k = 0.1 + 5 10-5T where k is in Btu.hr -1.ft -1. F-1 and T is in F is to be used in a 4-in thick
furnace l

540.303 TRANSPORT PHENOMENA I
Homework 1: Due September 30 2016 at 5pm
1. A vertical jet of water leaves a nozzle at a speed of 10m/s and a diameter of 20mm. It
suspends a plate having a mass of 1.5 kg (see figure). What is the vertical distance h?
1. Pro

Spring 2014
JHU
540.303 TRANSPORT PHENOMENA I
Homework 2: Due 14 February 2014
1. Water evaporating from a pond does so as if it were diffusing across an air film .15 cm
thick. The mass diffusion coefficient (diffusivity) of water in 20C air is .25cm2/sec

Spring 2014
!
!
Problem 1
!
540.303 TRANSPORT PHENOMENA I
Homework 4: Practice for exam
Water of density and viscosity flows down a narrow rectangular gap formed by a stationary
inclined plane below and a moving flat plane above as shown in the figure. Th