Chemical Engineering 323 (Spring 2009)
Chemical Engineering Heat Transfer Operations
Credit 3 (3-0)
Instructor:
Office:
Office Hours:
Phone:
E-mail:
Zhengdong Cheng
202 Jack E. Brown Bldg.
Tuesday, Thursday 9–11 PM, or by appointment
458-3413
cheng@.chemail.tamu.edu
TA:
Office Location:
Office Hours:
Phone:
E-mail:
Graders:
Qingsheng Wang
418 Jack E. Brown Bldg
Friday 3:00-5:00PM
979-739-9698
qingsheng.wang@chemail.tamu.edu
Class Time:
Classroom:
Tuesday, Thursday; 3:55 – 5:10 AM
106 Jack E. Brown Bldg.
Whitney Schaper, Darrell Raasch
Textbook (required)
F.D. Incropera, D.P. DeWitt, T.L. Bergman, A.S. Lavine Fundamentals of Heat and Mass
Transfer, 6e, John Wiley & Sons, 2007, ISBN 0-471-45728-0.
Prerequisite
CHEN 304 (and its associated prerequisites).
Attendance Policy: Attendance will occasionally be taken and will count as part of the course
grade.
Course Description
Upon completing this course, you will be able to (i) describe the fundamental physical principles
underlying heat flow by conduction, convection, and radiation mechanisms; and (ii) apply this
knowledge to solve problems relevant to the design of chemical engineering systems, especially
heat exchangers. This course will help you develop important problem solving and critical
thinking skills that will be broadly applicable throughout your lives and careers. It will also
prepare you for frontier interdisciplinary scientific research.
Topics include: Heat transfer by conduction, convection, and radiation; steady and transient
conduction, forced and natural convection, and blackbody and gray body radiation; multi-mode
heat transfer; boiling and condensation; heat exchangers.
Notice: Americans with Disabilities Act (ADA) Policy Statement
The Americans with Disabilities Act (ADA) is a federal anti-discrimination statute that provides
comprehensive civil rights protection for persons with disabilities. Among other things, this
legislation requires that all students with disabilities be guaranteed a learning environment that
provides for reasonable accommodation of their disabilities. If you believe you have a disability
requiring an accommodation, please contact Disability Services, in Cain Hall, Room B118, or
call 845-1637. For additional information please visit http://disability.tamu.edu.
Academic Integrity Statement
Aggie Honor Code: “An Aggie does not lie, cheat, or steal or tolerate those who do.”
http://www.tamu.edu/aggiehonor <http://www.tamu.edu/aggiehonor>”
Learning Objectives: The learning objectives are given below.
1. Describe the physical mechanisms of heat transport by conduction, convection, and radiation.
2. Identify heat transfer processes and energy flows.
3. Apply relevant rate equations, conservation laws, and material properties to solve problems
involving heat transfer by conduction, convection, and radiation.
4. Apply critical and creative thinking skills to solve complex problems with multiple transport
modes.
5. Apply fundamentals of heat transfer to understand the design of heat exchangers and to be
able to specify the type and size of heat exchanger to satisfy the needs of a particular chemical
engineering process application.
6. Gain enhanced capabilities for treating steady state and transient one and two dimensional
conduction problems
7. Solve the governing ordinary and partial differential equations for each of the boundary value
problems above.
8. Apply computer solutions and parametric studies that explore related design or operating
conditions.
Chemical Engineering Program Outcomes
Our graduates will have:
1. An ability to apply knowledge in math, science (physics, chemistry and biology) and
engineering
2. An ability to design and conduct experiments, as well as to analyze, interpret data on
experiments relevant to chemical engineering practice
3. An ability to design a system, component, or process to meet desired needs within
realistic constraints such as economic, environmental and societal
4. An ability to function on multi-disciplinary teams
5. An ability to identify, formulate, and solve problems important in chemical engineering
practice
6. An understanding of professional and ethical responsibility
7. An ability to communicate effectively
8. The broad education necessary to understand the impact of engineering solutions in a
global, economic, environmental, and societal context
9. A recognition of the need for, and an ability to engage in life-long learning
10. A knowledge of contemporary issues
11. An ability to use the techniques, skills, and modern engineering tools necessary for
chemical engineering practice
Method of Evaluation:
Exams
Homework and Project
Attendance and daily exams
80%
15%
5%
100%
Midterm Exams
Three midterm exams are scheduled from 7–9 PM on the following dates (Room 106):
 Tuesday, Feb 12
 Tuesday, March 26
 Tuesday, April 23
 Final Exam, May 12, 1:00-3:00
Makeup exams will only be given in extenuating circumstances if arranged in advance
The final exam will be comprehensive and is scheduled on Monday, May 5 from 1–3 PM. All
exams will be graded by the instructor.
Final grades are expected to be distributed according to the following percentage scale, and may
be scaled (curved) to match class performance:
A = 90–100%, B = 80–89%, C = 70–79%, D = 60–69%, F < 59%.
Reading Assignments
Reading assignments will be provided prior to the lecture in which the corresponding material is
covered. You are responsible for all material in the reading (for Homework and Exams).
Supplementary notes will be provided for topics where lecture coverage is significantly different
from the text.
Homework
Homework assignments may be submitted either individually or in groups of up to 4
students. Homework sets will usually be assigned on Thursdays, and will be due the following
Thursday in class. Organized help sessions outside of regular class hours may be scheduled if
there is interest. Please make use of my office hours for homework help. Specific questions
regarding homework grades should be addressed to the grader, then to me in the event that a
dispute cannot be resolved.
Homework assignments turned in late will receive a score of zero (exceptions can be made in
extenuating circumstances if arranged in advance). The homework assignments will be your
primary resource in preparing for exams, so is in your best interest to make every effort to at
least attempt each homework assignment!
Solutions to homework problems will not be posted. Instead, I will review the solution approach
to the problems in class, and provide answers so that you can check your work. I am aware that
homework solutions for this textbook are widely available. However they are not always correct
and many key points are missing, so use them at your own risk.
Email
Late breaking news and information regarding class meetings, homework, and exams will be
transmitted via email. You are responsible for checking your Neo email account on a regular
basis.
Course Outline (subject to change as necessary)
Part 1: Heat Transfer by Conduction (Text Chapters 1-3; 5)
1. Steady-state analysis. Fundamental relationships, heat flow
in slabs, spheres, composite materials, cooling fins.
12 hours
2. Transient (time-dependent) analysis.
3 hours
Part 2: Heat Transfer by Convection (Text Chapters 6-9)
1. Fundamental relationships and correlations for forced convection
inside ducts and over bodies.
12 hours
2. Free convection.
3 hours
Part 3: Advanced topics and applications (Text Chapters 10-13)
1. Boiling and Condensation.
3 hours
2. Heat exchanger design.
9 hours
3. Radiation.
3 hours
TOTAL:
Course Schedule:
Lecture
Week
Chapters
1/20
1
1/27
2, 3
2/3
2/10
2/17
2/24
3/3
3
5
6
6, 7
8, 9
Exam
2/12: Ch. 1-3
3/10
9, 10
3/24
11
3/18: Ch. 5-9
3/31
11
4/7
11
4/14
12
4/21
12
4/23: Ch. 10-11
4/28
13
5/5
5/12
5/12: Final
Spring break: 3/16-20
45 hours
Homework
None
1.5; 1.12; 1.21; 1.27; 1.37; 1.69a; 2.7; 2.14; 2.17;
2.22; 2.40
3.14; 3.25; 3.49; 3.81; 3.143
(Note: Feb. 12, Exam 1)
5.14; 5.37; 5.51
6.3; 6.12; 6.23; 6.39
7.20; 7.55; 7.70; 7.87; 7.130; 8.31; 8.57; 8.80; 8.98;
8.110
9.3; 9.18; 9.40; 9.61; 9.105
(Note: Mar. 26, Exam 2)
10.16; 10.37; 10.54; 10.65; 10.71
From a handout
None
(Note: Apr. 23, Exam 3)
12.128;13.64; 13.70; 13.93; 13.125
None