24-322 Fall 2009 Test #4
This is an open textbook test. You may also use a sheet of paper with notes written on both sides.
This sheet must be submitted with your test.
In your solution to each problem, where appropriate, you must state all assumptions an

24-322 Fall 2009 Test #3
This is an open textbook test. You may also use the internal ow sheet from Blackboard with notes
written on the other side. This sheet must be submitted with your test.
In your solution to each problem, where appropriate, you must

24-322 Fall 2009 Test #2
This is an open textbook test. You may also use the radiation resistance formula sheet from Blackboard with notes written on the other side. The resistance formula sheet must be submitted with
your test.
In your solution to each p

24-322 Fall 2009 Test #1
This is an open textbook test. You may also use the resistance formula sheet from Blackboard with
notes written on the other side. The resistance formula sheet must be submitted with your test.
In your solution to every problem, w

24-322 Fall 2009 Lab #2: Free Convection and Radiation
Due: Tuesday, November 24 at the beginning of class.
Objective: Analyze the steady-state behavior of a heated stainless steel plate in order to predict
the heat transfer by free convection and radiati

24-322 Fall 2009 Lab #2: Free Convection and Radiation
1. See attached.
2. See attached.
3. See attached for tables.
Assumptions
1. Steady state (well justied from temperature-time data).
2. Uniform surface temperature [see 4(c) below].
3. Evaluate the ai

24-322 Fall 2009 Lab #1: Transient Conduction
Due: October 1 at the beginning of class.
Objective: Analyze the temperature-time data for the pure aluminum sphere in order to predict
convection coecients.
The sphere has diameter d = 0.024 m. Evaluate prope

24-322 Fall 2009 Lab #1: Transient Conduction
Due: October 1 at the beginning of class.
Objective: Analyze the temperature-time data for the pure aluminum sphere in order to predict
convection coecients.
The sphere has diameter d = 0.024 m. Evaluate prope

24-322 Fall 2009 HW#10
Assigned: November 25, 2009
Due: December 3, 2009 at the beginning of class.
A. (2 points) A counterow, concentric tube heat exchanger is used to cool the lubricating oil for
a large industrial gas turbine engine. The ow rate of coo

24-322 Fall 2009 HW#7
Assigned: October 29, 2009
Due: November 5, 2009 at the beginning of class.
A. The Nusselt number for ow over a cylinder can be described by Eq. (7.52) and Table 7.2 or by
Eq. (7.54). Make a log-log plot of NuD vs. ReD for 0.4 < ReD

24-322 Fall 2009 HW#4
Assigned: October 1, 2009
Due: October 8, 2009 at the beginning of class.
Problems 12.30ab, 12.46, 12.64, 13.1cdh, 13.9a, 13.11.
1

24-322 Fall 2009 HW#3
Assigned: September 10, 2009
Due: September 17, 2009 at the beginning of class.
A. (2 points) An AISI 302 steel wall separates hot combustion gases from an ambient air environment. In this problem, you will determine how dierent cong

24-322 Fall 2009 HW#2
Assigned: September 3, 2009
Due: September 10, 2009 at the beginning of class.
A. (2 points) The 1-D, steady-state, constant properties conduction energy equation in a sphere
with no energy generation/conversion is
1d
r2 dr
r2
dT
dr

24-322 Fall 2009 HW#1
Assigned: August 27, 2009
Due: September 3, 2009 at the beginning of class.
A. Pick one of the following household items: coee maker, light bulb, electrical space heater.
In less than one typed page, describe all heat transfer proces