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Homework assignments posted here are subject to correction in class or
through other means. Problems as assigned here are for your convenience
but are not a substitute for obtaining assignments in class.
Assignments as issued in class supercede these assignments unless otherwise
noted.
Homework Assignment: 1 2
3 4 5 6
7 8 9 10
11 12 13
14
15
Homework aids thought conduction
Problems for Class: 15.2, 15.5
Problems for Submission: 15.13, 15.17,
15.23, 15.24, 15.25
Assignment Learning Objectives:
Reading Assignments:
 | Wednesday (1/11): Review Chapters 4 and 6; Complete Chapter 15 (pp.
201-214) |
| Thursday (1/12): Chapter 16 (pp. 219-224); Laboratory Report 1 Due |
| Tuesday (1/17): Chapter 17 (pp. 226-236); HW1 Due, HW2 Assigned |
A Composite of Heat Transfer Problems
Problems for Class: 16.7, 17.2
Problems for Submission: 16.1, 16.2,
17.6, 17.15
Assignment Learning Objectives:
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Simplify the general differential
energy balance for different geometries, boundary conditions, and
specifications (16.7, 16.1, 16.2,) |
|
Determine heat transfer rates and
temperature profiles for composite materials at steady -state with and
without internal heat generation (17.2, 17.6, 17.15) |
Reading Assignments:
| Wednesday (1/18): Extended Surfaces (Ch. 17, pp. 236-243) |
| Thursday (1/19): 2 and 3-D Heat Transfer (Ch. 17, pp. 243-255) |
| Tuesday (1/24): HW2 Due, HW3 Assigned |
Extending Your Dimensions
Problems for Submission:
17.4, 17.22, 17.24, 17.32, 17.37
Assignment Learning Objectives:
| Evaluate the heat transfer through a composite material (17.4) |
| Analyze the rate of heat transfer and temperature profile in extended
surfaces (17.22, 17.24) |
| Solve the Laplace equation for systems with interesting boundary
conditions (17.32) |
| Solve the Poisson equation for systems with internal heat generation
(17.37) |
Reading Assignments:
| Wednesday (1/25): Unsteady state heat
transfer, Chapter 18 (pp. 263-275 |
| Thursday (1/26): Chapter 18 (pp. 275-283); Project 1 Assigned |
| Tuesday (1/31): HW3 Due, HW4 Assigned |
Is unsteady-state like time travel?
Problems for Submission:
P1. Consider heat conduction through the walls of a pipe when the inside
wall temperature is 200oC and the outside wall temperature is 80oC
and the thickness of the wall is 0.05 m. The inside radius (r0)
is 0.05m and the outside radius is 0.1m. The differential equation that
describes the temperature distribution is
Apply a finite difference representation of the derivatives of T with
respect to r to obtain a set of linear equations which can be solved for
the temperature as a function of radial position in the pipe wall.
18.2; 18.9; 18.19a,f; 18.24; 18.32
For 18.19, compare solutions for both 1-D and 2-D
conduction
Assignment Learning Objectives:
|
Use Excel functions to perform
complex calculations using formulae |
|
Practice designing spreadsheets
involving graphs and advanced functions |
|
Use conditional statements when
creating spreadsheets |
|
Ensure calculations are performed
using dimensionally consistent terms |
Reading Assignments:
|
Tuesday (2/1): Complete Chapter 3
study (Workshop 3) |
|
Thursday (2/3): Sections 4.1-4.4
(Matrix basics)
HW4 Due |
Feel the Heat...
Problems for Submission:
19.3; 19.20
Assignment Learning Objectives:
| Evaluate dimensionless quantities related to convection (19.3) |
| Use momentum analogies to approximate convective heat transfer
coefficients (19.20) |
Reading Assignments:
| Wednesday (2/8): Complete Convection Overview, Chapter 19 |
| Thursday (2/9): Exam 1 (Conduction) |
| Tuesday (2/14): Convection correlations, Chapter 20 (pp. 312-320)
HW5 Due, HW4 Assigned |
Every time you shop for appliances remember this assignment
Problems for Submission:
20.1; 20.8; 20.15; 20.18; 20.30; 20.47
Assignment Learning Objectives:
| Apply correlations to determine appropriate convection coefficients for
various geometries for both forced and natural convection |
| Apply principles of heat transfer analysis once the convection
coefficient is estimated |
| Use iterative methods to solve heat transfer problems when a temperature
is unknown |
Reading Assignments:
| Wednesday (2/15): Convection correlations, Chapter 20 (pp. 320-334) |
| Thursday (2/16): Wrap up convection correlations |
| Tuesday (2/21): Heat transfer involving phase change, Chapter 21, (pp.
340-351)
HW6 Due, HW7 Assigned |
Big Bubbles, No Troubles
Problems for Submission:
21.3; 21.12; 21.16; 21.17; 21.23
Note that problem 21.17 refers to 21.16, not 21.14.
Assignment Learning Objectives:
| Apply correlations to determine appropriate convection coefficients for
various geometries and flow regimes for boiling and condensation |
| Apply principles of heat transfer analysis once the convection
coefficient is estimated |
Reading Assignments:
| Wednesday (2/22): Problem Session |
| Thursday (2/23): Heat Exchangers, Chapter 22, pp. 354-361 |
| Tuesday (2/28): More Heat Exchangers, Chapter 22, (pp. 361-375)
HW7 Due, HW8 Assigned |
Finally We Come To A Point
Problems for Submission:
22.2; 22.8; 22.12, 22.15; 22.17
Assignment Learning Objectives:
| Design heat exchangers to meet performance expectations based on LMTD
and NTU methods |
| Analyze existing heat exchanger performance accounting for fouling |
Reading Assignments:
| Wednesday (3/01): Finish Heat Exchangers |
| Thursday (3/02): Radiation Heat Transfer, Chapter 23, (pp. 379-401) |
| Tuesday (3/07): Re-radiation, Chapter 23, (pp. 401-414)
HW8 Due, HW9 Assigned |
| Wednesday (3/08): Radiation Wrap-up, Exam Review |
| Thursday (3/09): EXAM 2 |
| Tuesday (3/14): SPRING BREAK |
| Wednesday (3/15): SPRING BREAK |
| Thursday (3/16): SPRING BREAK |
| Tuesday (3/21): Mass Transfer, Chapter 24, (pp. 421-452)
Project 1 Due |
Zap
Problems for Submission:
23.8; 23.9; 23.15, 23.19
Assignment Learning Objectives:
| Apply Stefan-Boltzmann equation to describe radiation heat transfer |
| Apply Planck’s Law to describe the behavior of incident radiation |
| Use view factors to determine incident radiation fractions |
| Analyze heat transfer between surfaces for both blackbodies and gray
bodies |
Reading Assignments:
| Wednesday (3/08): Radiation Wrap-up, Exam Review |
| Thursday (3/09): EXAM 2 |
| Tuesday (3/14): SPRING BREAK |
| Wednesday (3/15): SPRING BREAK |
| Thursday (3/16): SPRING BREAK |
| Tuesday (3/21): Mass Transfer, Chapter 24, (pp. 421-452)
Project 1 Due, HW9 Due, HW 10 Assigned |
Its too late to transfer anything but mass
Problems for Submission:
24.2, 24.5, 24.13, 24.16, 24.23, 24.30
Assignment Learning Objectives:
| Demonstrate ability to work with different measures of concentration |
| Estimate diffusivities for gases and liquids |
| Estimate diffusion coefficients in porous solids |
Reading Assignments:
| Tuesday (3/21): Mass Transfer, Chapter 24, (pp. 421-452)
Project 1 Due, HW9 Due, HW10 Assigned |
| Wednesday (3/22): Chapter 24 Wrap-up |
| Thursday (3/23): Chapter 25, (pp. 457-472) |
| Tuesday (3/28): Chapter 26, (pp. 479-503)
HW10 Due, HW11 Assigned |
| Wednesday (3/29): Chapter 26, (pp. 503-516) |
| Thursday (3/30): Chapter 26 Wrap-up |
| Tuesday (4/4): Class to be rescheduled |
Anything but ordinary (DEs)
Problems for Submission:
25.5, 25.10, 25.11
26.6, 26.10, 26.13, 26.27
Assignment Learning Objectives:
| Simplify the governing DE and Flux equations for mass transfer |
| Evaluate the mass transfer for systems approximated by unimolecular
diffusion, pseudo-steady-state diffusion, and equimolar counterdiffusion |
| Evaluate mass transfer for systems involving reactions and varying
interfacial area |
Reading Assignments:
| Wednesday (3/29): Chapter 26, (pp. 503-516) 1-Dimensional Molecular Mass
Transfer |
| Thursday (3/30): Chapter 26 Wrap-up |
| Tuesday (4/4): Class to be rescheduled TBA |
| Wednesday (4/5): Chapter 27, (pp. 527-544) Unsteady State Mass Transfer
HW 11 Due, HW 12 Assigned (Ch. 27) |
Unsteady Does Not Mean Unstable
Problems for Submission:
27.3, 27.14, 27.18, 27.22
Assignment Learning Objectives:
| Determine the concentration profiles for
systems which vary with time for simple boundary conditions |
| Apply analogies with heat transfer to mass
transfer |
Reading Assignments:
| Thursday (4/6): Wrap-up unsteady state mass transfer |
| Tuesday (4/11): Chapter 28, (pp. 550-567) Convective Mass Transfer
HW 12 Due, HW 13 Assigned (Ch. 28-29) |
Get a movin’ with mass transfer
Problems for Submission:
28.12, 28.13, 28.20, 28.25
29.10, 29.16
Assignment Learning Objectives:
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Estimate the mass transfer
coefficient for simple systems |
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Apply the Chilton-Colburn analogy
between heat and mass transfer |
| Determine the local and overall mass transfer coefficients for two-phase
systems |
Reading Assignments:
| Wednesday (4/12): Chapter 28, (pp. 567-579) |
| Thursday (4/13): Chapter 29, (pp. 586-599) Interphase Mass Transfer |
| Tuesday (4/18): Chapter 30, (pp. 605-633) Convective MT Correlations
HW 13 Due, HW 14 Assigned (Ch. 30) |
Almost... there... almost...
Problems for Submission:
30.6, 30.12, 30.28, 30.29
31.5, 31.12, 31.14
Assignment Learning Objectives:
| Apply appropriate correlations to estimate mass transfer coefficients |
| Analyze systems involving convective mass transfer |
| Design mass transfer equipment using rate-based methods |
Reading Assignments:
| Wednesday (4/19): Mass Transfer Theory Wrap Up |
| Thursday (4/20): Exam 3, Chapters 24-29 |
| Tuesday (4/25): Chapter 31, (pp. 645-665) Mass Transfer Equipment |
| Wednesday (4/26): Chapter 31, (pp. 665-681) Equipment Design |
| Thursday (4/27): Design Wrap-up, HW14 Due |
| Tuesday (5/2): No Meeting |
| Thursday (5/4): Final Exam |
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