Course11210100361 lectures
Heat Transfer
Prof. S.V. Prabhu and Prof. Arunkumar Sridharan · IIT Bombay
About
Heat Transfer is a fundamental course in the discipline of Mechanical Engineering. It finds wide range of applications in the area of space, nuclear reactors, energy, power generation, cryogenics etc. Fundamental concepts involving the three modes of heat transfer – conduction, convection and radiation – necessary to be able to formulate equations governing various heat transfer phenomena involved in a problem will be covered. Basic design of practical heat transfer devices such as heat exchanger, condenser etc. are also introduced.
Intended audience: BE/B.Tech.
Prerequisites: Completed UG course on Fluid mechanics or equivalent.
Lectures
Week 1
- Lecture 1: Introduction to Heat Transfer
- Lecture 2: Basic Energy balance equation, Introduction to Conduction
- Lecture 3: General heat diffusion equation in cartesian coordinates
- Lecture 4: Boundary conditions, derivation of heat diffusion equation in cylindrical coordinates
- Lecture 5: Solution of 1-D heat diffusion equations in cartersian coordinates. Concept of Thermal resistances
Week 2
- Lecture 6: Thermal Resistances - Continued
- Lecture 7: Numericals of Concepts Covered
- Lecture 8: Thermal Resistance in cylindrical coordinates, problems
- Lecture 9: Heat transfer in spherical systems and concept of critical radius of insulation
- Lecture 10: Combined problems
Week 3
- Lecture 11: Introduction to extended surfaces, Basic derivation and solution
- Lecture 12: Concept of Infinite length, Efficiency of fin
- Lecture 13: Effectiveness, Array of fins
- Lecture 14: Introduction to transient conduction
- Lecture 15: Lumped Capacitance, Plane wall: Spatial effects
Week 4
- Lecture 16: First term approximation solution for plane wall
- Lecture 17: First term approximation solution for radial systems
- Lecture 18: Semi Infinite Medium -1
- Lecture 19: Semi Infinite Medium -2
- Lecture 20: Differential Analysis of Fluid Flow
Week 5
- Lecture 21: Conservation of mass and linear momentum
- Lecture 22: Linear momentum equation continued
- Lecture 23: Conservation of energy derivation-1
- Lecture 24: Conservation of energy derivation-2
- Lecture 25: Non dimensionalisation of governing equations
Week 6
- Lecture 26: Scaling Analysis - 1
- Lecture 27: Scaling Analysis - 2
- Lecture 28: Scaling Analysis Continued, Nusselt Number Correlations
- Lecture 29: External Flow - 1
- Lecture 30: External Flow - 2
Week 7
- Lecture 31: Internal Flow: Introduction
- Lecture 32: Thermally Fully Developed and Bulk Mean temperature
- Lecture 33: Constant wall heat flux case
- Lecture 34: Constant wall temperature case
- Lecture 35: Navier stokes equation solution for laminar flow through circular pipe
Week 8
- Lecture 36: Nusselt number derivation for constant heat flux case
- Lecture 37: Nusselt number derivation for constant heat flux case & Problems
- Lecture 38: Introduction to Turbulance
- Lecture 39: Derication of Reynolds Average Navier Stokes and Reynolds Average Energy Equation
- Lecture 40: Universal Velocity Profile
Week 9
- Lecture 41: Friction factor derivation for hydrodynamically smooth pipe
- Lecture 42: Natural convection 1
- Lecture 43: Natural convection 2
- Lecture 44: Heat Exchanger fundamentals
- Lecture 45: LMTD Method
Week 10
- Lecture 46: epsilon - NTU method
- Lecture 47: Various Definitions and Terminology 1
- Lecture 48: Various Definitions and Terminology 2
- Lecture 49: Spectral Quantities, Black Body, Planck's Distribution 1
- Lecture 50: Spectral Quantities, Black Body, Planck's Distribution 2
Week 11
- Lecture 51: Emissivity
- Lecture 52: Absorptivity, Transmissivity and Reflectivity
- Lecture 53: Introduction to Radiation
- Lecture 54: Concept of viewfactor
- Lecture 55: Viewfactor rules
Week 12
- Lecture 56: Examples of View Factors and Radiation Exchange Between Black Surfaces
- Lecture 57: Example problems and real surfaces
- Lecture 58: Radiation exchange between diffuse, grey surfaces and concept of surface and space resistance
- Lecture 59: Radiation exchange between various geometries
- Lecture 60: Radiation shields and reradiating surface
- Lecture 61: Discussion of Prandtl number
Syllabus and materials
At NPTEL, as the course publishes them.
Credits and licence
- Institution
- IIT Bombay
- Department
- Mechanical Engineering
- Taught by
- Prof. S.V. Prabhu, Prof. Arunkumar Sridharan
- Level
- Undergraduate
- Language
- English
- Subjects
- Engineering
- Source
- NPTEL
- Licence
- CC BY-NC-SA, as NPTEL states it. Non-commercial use only. NPTEL's terms
- Attribution
- NPTEL states: "Distributed under Creative Commons Attribution-ShareAlike / CC BY - NC - SA", beside a BY-NC-SA badge.
- Who can watch
- NPTEL gives no rating. Invisible Network shows it to Tweens profiles and older, judged from what the source says about it. How courses are placed
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