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Mechanical Engineering  Heat and Mass Transfer
   
 
Title: Heat and Mass Transfer
Department: Mechanical Engineering
Author: Prof. U.N.Gaitonde ,Prof. S.P.Sukhatme
University: IIT bombay
Type: video
Abstract: Module No

Content

No. of Hours
1

INTRODUCTION ? Typical heat transfer situations,

1 hour
2

Modes of heat transfer

1 hour
3

Introduction to laws, some heat transfer parameters

1 hour
4

CONDUCTION ? Fourier?s law and thermal conductivity

1 hour
5

Differential equation of heat conduction, boundary conditions and initial conditions

1 hour
6

Simple one dimensional steady state situations ? plane wall, cylinder, sphere (simple and compex situations), concept of thermal resistance, concept of U, critical radius.
variable thermal conductivity (exercise)

3 hours
7

Special one dimensional steady state situations ? heat generation, pin fins
Other fin configurations (exercise)

2 hours
8

Two dimensional steady state situations

1 hour
9

Transient conduction
Lumped capacitance model
One dimensional transient problems ? analytical solutions
One dimensional Heisler charts
Product solutions

2 hours
10

Numerical methods in conduction
Steady state one dimensional and two dimensional problems
One dimensional transient problems ? Explicit and implicit

2 hours
11

RADIATION
Basic ideas, spectrum, basic definitions

1 hour
12

Laws of radiation, black body radiation, Planck?s law, Stefan Boltzman law, Wien?s Displacement law, Lambert cosine law

1 hour
13

Radiation exchange between black surfaces, shape factor

3 hours
14

Radiation exchange between gray surfaces ? Radiosity-Irradiation method
Parallel plates

2 hours
15

Enclosures (non-participating gas)

1 hour
16

Gas radiation

1 hour
17

FORCED CONVECTION
Concepts of fluid mechanics

1 hour
18

Differential equation of heat convection

1 hour
19

Laminar flow heat transfer in circular pipe ? constant heat flux and constant wall temperature, thermal entrance region, Turbulent flow heat transfer in circular pipe, pipes of other cross sections

2 hours
20

Heat transfer in laminar flow and turbulent flow over a flat plate, Reynolds analogy

1 hour
21

Flow across a cylinder and sphere, flow across banks of tubes, impinging jets

1 hour
22

NATURAL CONVECTION
Introduction, governing equations,Vertical plate ? Pohlhausen solution, horizontal cylinder, horizontal plate, enclosed spaces

3 hours
23

HEAT EXCHANGERS
Types of heat exchangers, LMTD approach ? parallel, counter-flow, multi-pass and cross flow heat exchanger, NTU approach ? parallel, counterflow, shell and tube, cross flow heat exchanger

4 hours
24

Condensation and Boiling
Dimensionless parameters, boiling modes, correlations, Forced convection boiling, laminar film condensation on a vertical plate, turbulent film condensation

2 hours
25

Mass Transfer
Analogy between heat and mass transfer, mass diffusion, Fick?s law of diffusion, boundary conditions, steady mass diffusion through a wall, transient mass diffusion, mass convection, limitations of heat and mass transfer analogy.

3 hours

Total number of hours

42
 
   
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