Title of the Course

Course Code:           MPE 372         

Course Title:             THERMODYNAMICS III 

Units:                       3         

Pre-Requisite:           Thermodynamics, Calculus, Numerical Methods   

Lecturer:                              E.B.K. Mutai, Dip.,(Soil & Water Engineering), (Egerton  College), B.Sc. Agric. Engin. (Egerton University), M.Sc. Agric. Eng., (University of Nairobi), PhD (Environmental & Biosystems Eng. ) (University of Nairobi), on going

 

Purpose of the Course

             

The goal of this course is for students to learn to apply the fundamentals of transport phenomena to solve problems relevant to Engineering practice: Energy and mass transfer. In each case we will work through examples that help to explore both the intuitive concepts and the formal mathematical framework necessary to make predictions. Transport phenomena, along with Thermodynamics and heat transfer; Conduction, convection, heat exchangers and Radiation. define the fundamental skill set necessary for solving problems that arise in the Engineering profession.

 

 

 

Expected Learning Outcomes of the Course

 

At the completion of this course, the students will be able to:

 

  • Set up microscopic and macroscopic energy and mass balances (conservation principles)
  • Know the flux laws for heat and mass transport
  • Apply the conservation principles and flux laws to model transport process central to engineering
  • Use physical and mathematical similarities between the processes of heat and mass transfer to solve problems by analogy.
  • Have a physical understanding of conduction, convection and radiation and heat exchangers
  • Develop a sound methodology enabling the formulation and solution of a broad variety of related engineering problems.

 

 

DETAILED COURSE OUTLINE FOR 2012/2013 CLASS

 

WEEK

DESCRIPTION

COMMENTS/

DURATION

1

INTRODUCTION

 

Basic concepts;

l  definition and terminology

l  modes of heat transfer;

    - conduction

    - convection

- radiation.

 

 

 

3 HRS

2

HEAT CONDUCTION

- Derivation of heat conduction equations

- heat conduction equation in cylindrical and spherical coordinates

 

 

3 HRS

3

- The steady state 1-D heat conduction in in simple geometries

 

 

3 HRS

4

- Two and three dimensions

- heat from extended surfaces

 

 

 

3 HRS

5

UNSTEADY HEAT CONDUCTION

- One-dimension unsteady-state  (transient) conduction

- Transient heat conduction in infinite plates, infinitely long cylinders and spheres,

- The Heisler Charts for transient flow

- application of solutions of one -dimension transient heat conduction to Multidimensional systems

- Transient heat flow in semi-infinite solid

- Semi-infinite solid; surface temperature periodic with time

- Heat conduction in a body resulting from a moving heat source

 

 

 

3 HRS

 

6

CAT 1

 

2 HRS

7

CONVECTION

 

REVIEW OF FLUID MECHANICS

 

HYDRODYNAMICS AND DIMENSIONAL ANALYSIS.

 

²  Governing equations of fluid flow

²  The Napier-Stokes equations

     - Internal flow

     - Laminar flow

     - Turbulent flow

     - External flow

²  Mechanism of convective heat transfer

²  Dimensionless Expression of heat transfer coefficient

²  A brief review of incompressible viscous flow

 

 

 

 

 

3 HRS

8

PRINCIPLES OF FORCED CONVECTION

²  Derivation of energy equation

²  Non-dimensionalization of energy equation and recognition of pertinent dimensionless terms governing its solution for temperature field.

²  Thermal boundary layer

²  convective heat transfer in external flows

²  Convective heat transfer in internal flows - basic concepts

²  Convective heat transfer in a Hagen-Poiseuille flow

²  Heat transfer in the entrance of a pipe flow

²  Heat transfer in plane Poiseuille flow

²  Heat transfer to liquid metals in pipe flow

²  Heat transfer augmentation

NB:

Principles of free Convection will be a reading exercise. It will not be covered in this course.

 

 

 

 

3 hrs

9

 

PRINCIPLES OF HEAT EXCHANGERS

 

²  Classification of heat exchangers

      - Shell and tube heat exchanger

      - Compact heat exchangers

      - Regenerators

²  Mathematical analysis of heat exchangers

²  Selection criteria of heat exchangers

 

 

3 HRS

10

RADIATION HEAT TRANSFER

 

²  Physical mechanism

²  Concept of radiation intensity and emissive power

²  Blackbody radiation

²  Radiation properties of surfaces

²  View factor

²   

 

 

3 HRS

11

²  Radiation energy exchange between Nonblack surfaces

²  Radiation in an absorbing emitting medium

²  Solar radiation

 

3 HRS

12

CAT II

3 HRS

13

REVISION

3 HRS

14

EXAMINATION

3 HRS

15

EXAMINATION

3 HRS

 

 

45 HRS

 

 

Mode of Delivery

  • ·               Lecture 
  • ·               Tutorials 
  • ·               Fieldwork/workshop practicals/Laboratory experiments/ exercises.

 

Practicals

 

  • Heat transfer Experiment, Nusselt Vs. Reynolds Number, Forced Convectional Study
  • Thermo Conductivity in Solids

 

Course Assessment

 

  • ·   Continuous Assessment and Tests      20% 
  • ·   Field Practicals                                    10% 
  • ·   End of Semester Examinations           70% 

 

Core Reading Materials for the Course

  1. F.P. Incropera & D.P. DeWitt (2002).  Fundamentals of heat and mass transfer, 3rd edition, Wiley, 2002. ISBN 0-471-38650
  2. J.P Holman (1989). Heat and Mass Transfer. SI Edition, McGraw-Hill Book Company
  3. R.K. Rajput (2008). Heat and Mass Transfer, in SI Units, Multicolour Illustrative Edition, S.Chand & Company Ltd. ISBN 81-219-2617-3
  4. S.K Som (2008). Introduction to Heat and Mass Transfer. PHI  Learning  Private Limited New Delhi. ISBN 978-81-203-3060-3
  5. S.P Sukhatme (2005). A text book on Heat and Mass Transfer, 4th Edition, University Press Private Limited, Hyderabad. ISBN 81-737-1544-0
  6. J.H Lienhard IV and J.H. Lienhard V (2006). A heat Transfer Text Book , 3rd Edition, Phlogiston Press, Cambridge Massachusetts. Http://web.mit.edu/lienhard/www/ahtt.html

 

Recommended Reference Materials

  1. Granet and Bluestein (2001): Thermodynamics and Heat Transfer, 6th Edition, Adison Wesley Longman.
  2. Mills, A.F., (1995), Basic heat and mass transfer, Richard D. Irwin Inc. USA.
  3. Agrawal S. K. (2006): Heat and Mass Transfer, 1st Edition, Viva Publishers.
  4. Gupta V (2003): Elements of Heat and Mass Transfer, New Age International Publishers.
  5. Rogers and Mayhew (1994): Engineering Thermodynamics, 4th Edition, ELBS with Longman.
  6. Eastop and McConkey (1996): Applied Thermodynamics for Engineering Technologists,5th Edition, ELBS with Longman.
  7. Mutai E.B. K. (2010): Simulation of Temperatures in a Broiler chicken House in Kenya. VDM Verlag Dr, Muller Pub. ISBN: 978-639-23545-6, www.amazon.com

 

 

 

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