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Online Course

Heat Transfer

Indian Institute of Technology Bombay and NPTEL via Swayam

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Overview

Heat transfer occurs in many unit operations in variety of processes in chemical, petrochemical, power and pharmaceutical industries. Understanding the fundamentals governing heat transfer is key to designing equipment that involves heat exchange. This course for undergraduate students covers the fundamental aspects and quantitation of different modes of heat transport. The course can also serve as a refresher for graduate students
INTENDED AUDIENCE :Undergraduate and graduate students from Chemical and Mechanical Engineering, College teachers, Process engineersPRE-REQUISITES :Linear algebra, Fluid MechanicsINDUSTRY SUPPORT : Reliance, HPCL, BPCL, RCF, Other chemical and petrochemical industries

Syllabus

COURSE LAYOUT

Week 1

Lecture 1:Introduction
Lecture 2:Introduction to Conduction
Lecture 3:Energy Balance
Lecture 4:1D Steadystate Conduction - Resistance Concept
Lecture 5:Resistances in Composite Wall Case

Week 2

Lecture 6:Resistances in Radial systems
Lecture 7:Heat Generation I : Plane and Cylindrical Wall
Lecture 8: Introduction to Extended SurfacesLecture 9:Extended Surfaces I : General formulation
Lecture 10:Extended Surfaces II - Uniform Cross-sectional Area

Week 3

Lecture 11:Extended Surfaces III – Varying Cross-section area
Lecture 12:2D Plane wall
Lecture 13:Transient Analyses I : Lumped Capacitance Method
Lecture 14:Transient Analyses II : Full Method
Lecture 15:Transient Analyses : Semi-infinite Case

Week 4

Lecture 16:Introduction to Convective Heat Transfer
Lecture 17:Heat and Mass Transport Coefficients
Lecture 18: Boundary Layer : Momentum,Thermal and ConcentrationLecture 19:Laminar and Turbulent Flows ; Momentum Balance
Lecture 20:Energy and Mass Balances ; Boundary Layer Approximations

Week 5

Lecture 21:Order of Magnitude Analysis
Lecture 22:Transport Coefficients
Lecture 23:Relationship between Momentum,Thermal and Concentration boundary Layer
Lecture 24:Reynolds and Chilton-Colburn Analogies
Lecture 25: Forced Convection : Introduction
Week 6

Lecture 26:Flow Past Flat Plate I – Method of Blasius
Lecture 27: Flow Past Flat PlateII - Correlations for Heat and Mass Transport
Lecture 28:Flow Past Cylinders
Lecture 29:Flow through Pipes I
Lecture 30: Flow through PipesII

Week 7

Lecture 31: Flow through PipesIII
Lecture 32: Flow through PipesIV – Mixing-cup Temperature
Lecture 33: Flow through PipesV – Log mean Temperature difference
Lecture 34: Flow through PipesVI – Correlations for Laminar and Turbulent Conditions
Lecture 35:Example problems : Forced Convection

Week 8

Lecture 36:Introduction to Free/Natural Convection
Lecture 37:Heated plate in a quiescent fluid- I
Lecture 38:Heated plate in a quiescent fluid- II
Lecture 39:Boiling I
Lecture 40:Boiling II

Week 9

Lecture 41: Condensation : I
Lecture 42:Condensation : II
Lecture 43: Radiation : IntroductionLecture 44:Spectral Intensity
Lecture 45: Radiation : Spectral properties,Blackbody
Week 10

Lecture 46:Properties of a Blackbody
Lecture 47:Surface Adsorption
Lecture 48:Kirchoff’s Law
Lecture 49:Radiation Exchange - View Factor
Lecture 50:View Factor Examples

Week 11

Lecture 51:View factor - Inside Sphere Method, Blackbody Radiation Exchange
Lecture 52: Diffuse, Gray Surfaces in an Enclosure
Lecture 53:Resistances - Oppenheim matrix method
Lecture 54: Resistances - Examples
Lecture 55: More Examples : Volumetric Radiation

Week 12

Lecture 56: Introduction and Examples
Lecture 57:Parallel Flow Heat Exchangers
Lecture 58:LMTD I
Lecture 59: Shell and Tube Heat Exchangers
Lecture 60:Epsilon-NTU Method

Taught by

Ganesh Viswanathan

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