WINONA STATE UNIVERSITY
DEPARTMENT OF COMPOSITE MATERIALS ENGINEERING
CME 370: Heat and Mass Transfer
SPRING 2012
370 Heat and Mass Transfer – 3 S.H.
Conduction, convection and radiation, heat transfer and analysis of heat exchanger, Fick’s Law,
molecular diffusion and convection. Prerequisite: CME 350.
CLASS TIME: 10:00-10:50 MWF
ROOM: ST B8
INSTRUCTOR: Fariborz PARSI
OFFICE: 203B ST
TEL: (507) 457-5282 FAX: (507) 457-5681
E-MAIL: fparsi@winona.edu
WEB: http://course1.winona.edu/fparsi
OFFICE HOURS: is posted by the office and on the web
TEXT: Heat and Mass Transfer: Fundamentals and Applications, Cengel Y. and Ghajar A., McGraw
Hill, 4th Edition.
FE EXAM REVIEW HAND OUT: http://www.ncees.org/exams/study_materials/fe_handbook/index.php
COURSE EXPECTATIONS AND EVALUATION:
1.
HOMEWORK will be assigned daily. Each homework problem must have three sections of
GIVEN, REQUIRED, and SOLUTION and each problem are to start on a separate page. It is
strongly encouraged that you use engineering pads for your homework. HW will be evaluated
during tests.
2.
EXAMS: 6 Tests including a comprehensive final exam (see the calendar)
3.
There will be a policy of NO MAKE UP WORK. If you have to miss a test, you should consult
with the instructor prior to being absent or immediately after you return to class. Otherwise, it is
understood that you will get a grade of zero for that test.
4.
Academic Integrity Policy see page 27 of 2010-2012 WSU Undergraduate Catalog
5.
EVALUATION
Test 1-5
Final
14% each
30%
A
B
C
D
E
90-100
80-89
70-79
60-69
0-59
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Mission, Objectives, and Outcomes of the Composite Materials Engineering Program
The mission of the CME program is “To develop creative minds and innovation in the field of
composite materials through education, applied research, and scholarly pursuits in collaboration with the
composites industry and community.”
The Educational Objectives of the CME Program are to prepare graduates to become engineers who:
1. Apply their knowledge and expertise to develop innovative and effective solutions for the
composites industry.
2. Communicate and work effectively in diverse environments.
3. Grow and develop professionally.
The student learning outcomes of the CME program are demonstrated by students who have
attained:
1. an understanding of the fundamentals of mathematics, science, and engineering
science and their application in engineering. (Fundamentals*)
2. the ability to identify, formulate, model and solve engineering problems (Problem
Solving*)
3. the ability to use state-of-the-art engineering tools (experimental, computational, and
statistical) necessary to select, analyze, design, fabricate, and test materials. (Tools)
4. the ability to design and conduct experiments as well as to analyze and interpret data
related to structure, properties, processing, and performance of materials.
(Experimentation)
5. the theoretical knowledge and hands-on ability to confidently design components,
systems, and processes to meet the needs of the composites industry within a set of
realistic constraints including economic, environmental, social, political, ethical,
health and safety, manufacturability, and sustainability. (Design)
6. the ability to communicate effectively in oral, written and visual forms.
(Communication)
7. the ability to work effectively in a team environment. (Teamwork)
8. an understanding of the proper response to ethical issues and their responsibility to
the engineering profession. (Responsibilities)
9. an understanding of the impact of their engineering decisions in a global, economic,
environmental, and societal context. (Impact)
10. knowledge of contemporary issues and recognition of the importance of sustaining
this knowledge through life-long learning. (State-of-the Art)
* Course will address this outcome.
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STUDENT LEARNING OUTCOME
CME 370: Heat and Mass Transfer
You must demonstrate your ability to:
I. Define introductory and fundamental concepts of heat transfer
1.
2.
3.
4.
Convert units of measurements from one system to another
Give five examples of importance of heat transfer in our life and civilization
Define conduction, convection, and radiation modes of heat transfer.
Give examples (at least 2 for each mode) of conduction, convection, and radiation modes of heat
transfer in manufacturing and application of composite materials.
II. Write and explain the fundamentals equations of heat conduction
5.
6.
7.
8.
Write the Fourier’s Law of heat conduction.
Define thermal conductivity and list all the parameters that may affect its value.
Define R-value of a material and relate it to thermal conductivity.
Explain the physical meaning of all the terms of Fourier-Poisson (heat diffusion) Equation
III. Develop and solve steady state heat conduction problems
9. Solve one-dimensional steady-state conduction problems (with and without heat generation). As a
result of this solution, you should be able to find both temperature profile and the rate of heat
transfer.
10. Define the overall heat transfer coefficient (or thermal resistance)
IV. Develop and solve transient heat conduction problems
11. List five transient heat conduction problems which have applications in manufacturing of
composite materials.
12. Solve transient heat conduction problems using lumped capacity method.
13. Solve one and multi-dimensional transient heat conduction problems using Heisler charts.
V. Develop and solve forced heat convection problems
14.
15.
16.
17.
Define and classify the convection heat transfer mode.
Write Newton’s Law of cooling.
Define convection heat transfer coefficient.
Calculate the forced convection heat transfer coefficient for flow over simple geometries using
empirical relationships.
18. Calculate the rate of heat transfer for forced convection of heat for flow over simple geometries.
19. Calculate the forced convection heat transfer coefficient and the rate of heat transfer for flow
inside pipes and conduits.
VI. Develop and solve free heat convection problems
20. Define the mechanism of free (natural) convection heat transfer.
21. Calculate the free convection heat transfer coefficient for flow over simple geometries
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22. Calculate the free convection heat transfer rate for flow over simple geometries.
VII. Develop and solve shell-and-tube heat exchanger problems
23.
24.
25.
26.
27.
Classify and list the various types of heat exchangers.
Draw a schematic diagram of 1-2 and 2-4 shell-and-tube heat exchangers.
List all the parameters that can affect the performance of a shell-and-tube heat exchanger.
Calculate the overall conductance (resistance) of a shell-and-tube heat exchanger.
Calculate the heat transfer load of shell-and-tube heat exchangers with various flow
arrangements.
VIII. Develop and solve black body radiation heat transfer problems
28. Define a “black body” emitter and absorber
29. Write the equation for spectral, hemispherical, emissive power and explain all the different terms
in that equation.
30. Calculate the total and band radiation emissive power of a blackbody.
31. Define emissivity, absortivity, transmitivity, and reflectivity.
32. Calculate the radiation view factor of different surfaces.
33. Calculate the rate of heat exchange between two different blackbodies
IX. Develop and solve diffusion mass transfer problems
34. Describe three applications of mass transfer issues that are directly related to polymer and
composite materials.
35. Classify the various methods of transfer of mass
36. Define the various concentrations, velocities, and fluxes that are used to describe the transfer of
mass.
37. Define diffusion mass transfer using Fick’s law.
38. Define diffusivity constant (diffusion coefficient) and name all the parameters that may affect it.
39. Solve the concentration profile for one-dimensional, steady state problems using Fick’s Second
Law (mass diffusion equation).
40. Solve the transient diffusion problems using graphical methods.
X. Develop and solve convection mass transfer problems
41. Calculate the convective mass transfer coefficient for flow inside and over geometries using
empirical relations.
42. Calculate the convective mass transfer rate for flow inside and over geometries.
I reserve the right to change this content if necessary
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Tentative Course Calendar (see the web site for weekly updated calendar)
Week
Lecture Plan
1
1/9
Introduction
Conduction
2
1/16
Conduction
NO CLASS ON M
3
1/23
4
1/30
5
2/6
6
2/13
7
2/20
8
2/27
9
3/5
10
3/12
11
3/19
12
3/26
13
4/2
Conduction
14
4/9
15
4/16
16
4/23
17
4/30
Test/Quiz
References
Chapter 1
Chapter 2
Chapter 3
Test 1
Conduction
Chapter 3
Chapter 4
Test 2
Convection
Convection
NO CLASS ON W
Convection
Convection
Heat Exchangers
Heat Exchangers
Radiation
Test 3
Radiation
Test 4
Mass TransferIntroduction
Mass TransferDiffusion
NO CLASS ON F
Mass TransferDiffusion
Mass TransferConvection
Mass TransferConvection
Review
Chapters 6 and 7
1-4
5-8
9-10
9-10
11-13
14-19
Chapter 7
14-19
Chapters 7 and
8
Chapter 8 and 9
14-19
Chapters 11 and
12
Spring Break
Test 5
Outcomes
14-19
23-27
23-27
28-33
Chapters 12 and
13
Chapter 14
28-33
Chapter 14
34-40
Chapter 14
34-40
Chapter 14
41-42
Chapter 14
41-42
34-40
Final Exam on W 5/2/2012 from 8:00 to 10:00 AM
I reserve the right to change the calendar if necessary.
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