Me 339 Heat Transfer (Unique Number 18550)

ME 339 HEAT TRANSFER (UNIQUE NUMBER 18550) SEMESTER Spring 2014

SYLLABUS

INSTRUCTOR: Prof. Li Shi (Office: ETC 7.140; Email: [email protected]) TEACHING ASSISTANT: Brandon P. Smith ([email protected]) TIME & Place: TTh 3:30 pm-5:00 pm, CPE 2.214 WEB PAGE: http://courses.utexas.edu/ (Blackboard, login with UT EID)

OFFICE HOURS: Prof. Shi: Tuesday 5:00 -6:00 pm and Thursday 1:00-2:00 pm in ETC 7.140, and by appointments Brandon Smith: Monday 1-2:30 pm in ETC 7.146, Monday 4:00-5:00 pm in ETC 7.111, Wednesday 9:00-10:00 am and 5:00-6:00 pm in ETC 7.111, and by appointments

OBJECTIVES: Introduction to the fundamental mechanisms of heat transfer; conduction, convection and radiation, and to problems where combinations of these modes occur. Applications to practical systems are stressed. Objectives are to provide understanding of the physical processes allowing heat transfer; development of analytical skills; and to increase the ability to handle realistic engineering problems. Some special topics will be treated as appropriate. At completion of the course, students should have an understanding of the physical processes governing heat transfer; be able to analyze and solve conduction, convection, and radiation transfer problems by appropriate methods to determine temperature distributions and/or energy transfer rates for steady and transient conditions; and be able to analyze and design common heat transfer equipment and devices including extended surfaces and heat exchangers. These skills are highly valued in many industries, including automobile, microelectronics, HVAC, electrical power generation, and manufacturing.

COURSE (CATALOG) DESCRIPTION: Steady and transient heat conduction; forced and natural convection; radiation; introduction to phase change heat transfer and to heat exchangers.

PREREQUISITES: ME 218 (or 318), 330 & 130L with a grade of at least C in each, concurrent enrollment in M E 139L, and admission to an appropriate major sequence in engineering

TEXT: Bergman, Lavine, Incropera, DeWitt Fundamentals of Heat and Mass Transfer, 7th ed., Wiley

GRADING: Final grades shall be determined based on the results of weekly homework assignments (20%), two term tests (20% each), and a comprehensive final exam (40%).

HOMEWORK POLICY: Homework is assigned weekly to help the students to understand the course materials and apply the knowledge for solving practical applications. Answer keys to the homework problems can be found at http://bcs.wiley.com/he-bcs/Books?action=index&itemId=0470501979&bcsId=6563#. The homework is due on every Thursday in class. Late homework will not be accepted. EXAMINATIONS: The term tests and final exam are open-book and closed-note. A single make-up exam will be given following the second term test for students who were previously excused from one of the term tests due to a verifiable illness.

ATTENDANCE: Regular attendance is expected. Lectures are designed to help students with learning heat transfer and solving the homework problems.

CLASS FORMAT: Class is lecture based. Discussion is encouraged.

IMPORTANT DATES: The last date to drop this course without approval from the Chair and/or Dean of Students is January 16, 2014. The last day to drop this class for a possible refund is January 29, 2014.

KNOWLEDGE, SKILLS, AND ABILITIES STUDENTS SHOULD HAVE BEFORE ENTERING THIS COURSE: Understanding of basic thermodynamics and fluid mechanics; control volume analysis, and energy balance.

KNOWLEDGE, SKILLS, AND ABILITIES STUDENTS GAIN FROM THIS COURSE: At completion of the course, students should have an understanding of the physical processes governing heat transfer; be able to analyze and solve conduction, convection, and radiation transfer problems by appropriate methods to determine temperature distributions and/or energy transfer rates for steady and transient conditions; and be able to analyze and design common heat transfer equipment and devices including extended surfaces and heat exchangers.

SPECIAL NOTES: The University of Texas at Austin provides upon request appropriate academic adjustments for qualified students with disabilities. For more information, contact the Office of the Dean of Students at 471-6259, 471-4641 TDD or the College of Engineering Director of Students with Disabilities at 471-4321.

MEASUREMENT AND EVALUATION CENTER: Measurement and Evaluation Center forms will be used during the last week of class to evaluate the course and the instructor.

ACADEMIC HONESTY: The academic honesty policy of the University of Texas at Austin will be strictly enforced. Collaboration on homework assignments is encouraged, but each student must complete and submit their own work. Students are not allowed to obtain homework solutions from any external sources including the internet before the homework is due. Copying homework solutions found from an external source is considered cheating and will be referred to the Dean of Students for disciplinary action. Collaboration of any form on the quizzes, term tests and final exam is not allowed and will be referred to the Dean of Students for disciplinary action. CLASS SCHEDULE AND OUTLINE (Subject to changes and adjustments) Date Day Topic Chapter Reading Homework 14-Jan T Heat Transfer Modes and Applications 1 1.1- 1.2, 1.6 Energy Conservation, Conduction Rate Equation, 1.3-1.5, 2.1- 16-Jan Th 1 Thermal Properties 2.2 21-Jan T Heat Diffusion Equation, Boundary Conditions 2 2.3-2.4 23-Jan Th Planar Conduction 3 3.1-3.2 Set 1 Due 28-Jan T Radial Conduction 3 3.3-3.4 30-Jan Th Conduction with Energy Generation 3 3.5 Set 2 Due 4-Feb T Extended Surfaces and Fins 3 3.6 6-Feb Th 2-D Conduction 4 4.1-4.3 Set 3 Due 11-Feb T Transient Problems 5 5.1-5.3 3.7-3.9, 4.4, 13-Feb Th Review of Conduction and Advanced Topics 3 Set 4 Due 5.7 18-Feb T Test 1 (in class) 20-Feb Th Convective Boundary Layers 6 6.1-6.3 25-Feb T Boundary Layer Equations, The Reynolds Analogy 6 6.4-6.6, 6.7.3 27-Feb Th Flow Over a Flat Plate 7 7.1-7.3 Set 5 due 4-Mar T Cylinder and Sphere in Cross Flow 7 7.4-7.5 6-Mar Th Internal Tube Flow 8 8.1-8.3 Set 6 Due 18-Mar T Internal Tube Flows 8 8.4-8.6, 8.8 20-Mar Th Heat Exchangers 11 11.1-11.4 Set 7 Due 25-Mar T Free convection 9 9.1-9.6 27-Mar Th Review of Convection and Heat Exchangers Set 8 due 1-Apr T Test 2 (in class) 3-Apr Th Radiation Fundamental and Radiation Intensity 12 12.1-12.2.3 8-Apr T Blackbody Radiation 12 12.4 10-Apr Th Surface Radiation Properties 12 12.5-12.6 Set 9 Due 15-Apr T Kirchhoff’s Law, The Gray Surface 12 12.7-12.8 17-Apr Th View Factor 12 13.1 Set 10 Due 22-Apr T Radiation Exchange At and Between Surfaces 13 13.2-13.3 .2 24-Apr Th Two-surface Enclosures, Radiation Shield 13 13.3.3-13.3.4 Set 11 Due 29-Apr T Reradiating Surface, Multimode Heat Transfer 13 13.3.5, 13.4 1-May Th Review of Radiation Heat Transfer Set 12 Due