Heat Transfer

By Prof. Ganesh Viswanathan | IIT Bombay

Learners enrolled: 1170

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 engineers

PRE-REQUISITES : Linear algebra, Fluid Mechanics

INDUSTRY SUPPORT : Reliance, HPCL, BPCL, RCF, Other chemical and petrochemical industries

Summary

Course Status :	Completed
Course Type :	Core
Duration :	12 weeks
Category :	Chemical Engineering Minor 1 in Chemical Energy Systems
Credit Points :	3
Level :	Undergraduate
Start Date :	18 Jan 2021
End Date :	09 Apr 2021
Enrollment Ends :	01 Feb 2021
Exam Date :	25 Apr 2021 IST

Note: This exam date is subjected to change based on seat availability. You can check final exam date on your hall ticket.

Page Visits

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 Surfaces

Lecture 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 Concentration

Lecture 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 Plate II - Correlations for Heat and Mass Transport
Lecture 28: Flow Past Cylinders
Lecture 29: Flow through Pipes I
Lecture 30: Flow through Pipes II

Week 7

Lecture 31: Flow through Pipes III
Lecture 32: Flow through Pipes IV – Mixing-cup Temperature
Lecture 33: Flow through Pipes V – Log mean Temperature difference
Lecture 34: Flow through Pipes VI – 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 : Introduction

Lecture 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

Teaching Assistants

Mr. Swagnik Ghosh is a senior research scholar in the Department of Chemical Engineering, IIT Bombay. He joined the institute in 2013 as an M.Tech. student and converted into Ph.D. His research area is "Dynamics of Particles in Particle-laden Turbulent Flows" . During his course of Ph.D. work he has developed keen interest in modelling and simulation techniques involving Turbulence, Computational Fluid Dynamics, Granular Mechanics, Molecular Dynamics, Statistical Data analysis. He graduated from Jadavpur University as a Chemical Engineer in the year 2012.

Mr Nimish Pankhedkar holds a Bachelor’s Degree in Chemical Engineering with the Best Outgoing Student award. He joined IIT Bombay in 2018 as a Master’s Student and worked in the field of CO₂ Valorization using CLC techniques. His research interests include Process Modelling and Simulation, CCS, and Process Control. He has recently converted to MTech + PhD Dual Degree Programme to pursue research in the same field. He has gained industrial experience in the past as a Process Design Engineer at Technoforce Solutions (I) Pvt Ltd. He has also achieved Elite Certificate in a NPTEL Course on 'Outcome-based Pedagogic Principles for Effective Teaching' coordinated by IIT Kharagpur.

Books and references

Fundamentals of heat and mass transfer 5th Ed. Incropera FR and DeWitt DP. Wiley

Instructor bio

Prof. Ganesh Viswanathan

IIT Bombay

Ganesh Viswanathan is an Associate Professor in Department of Chemical Engineering at Indian Institute of Technology Bombay, Mumbai. He completed his Ph.D in Chemical Engineering from University of Houston, Houston and Postdoctoral Fellowship at Mount Sinai School of Medicine, New York. He conducts research in systems biology of signaling networks and nonlinear dynamics of reactors. Further information about his research and teaching activities is available at http://www.che.iitb.ac.in/faculty/ganesh/

Course certificate

The course is free to enroll and learn from. But if you want a certificate, you have to register and write the proctored exam conducted by us in person at any of the designated exam centres.
The exam is optional for a fee of Rs 1000/- (Rupees one thousand only).
Date and Time of Exams: 25 April 2021 Morning session 9am to 12 noon; Afternoon Session 2pm to 5pm.
Registration url: Announcements will be made when the registration form is open for registrations.
The online registration form has to be filled and the certification exam fee needs to be paid. More details will be made available when the exam registration form is published. If there are any changes, it will be mentioned then.
Please check the form for more details on the cities where the exams will be held, the conditions you agree to when you fill the form etc.

CRITERIA TO GET A CERTIFICATE

Average assignment score = 25% of average of best 8 assignments out of the total 12 assignments given in the course.
Exam score = 75% of the proctored certification exam score out of 100

Final score = Average assignment score + Exam score

YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.

Certificate will have your name, photograph and the score in the final exam with the breakup.It will have the logos of NPTEL and IIT Bombay.It will be e-verifiable at nptel.ac.in/noc.

Only the e-certificate will be made available. Hard copies will not be dispatched.

Once again, thanks for your interest in our online courses and certification. Happy learning.

- NPTEL team

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