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Heat And Mass Transfer - HMT

Created by J Aatish Rao, Last Updated 01-Mar-2021, Language:English

Heat And Mass Transfer - HMT

Fundamentals of heat transfer with comprehensive derivation and examples

Created by J Aatish Rao, Last Updated 01-Mar-2021, Language:English

What Will I Get ?

  • Modes of heat transfer and Governing laws of heat transfer
  • Thermal conductivity, Heat conduction in gases
  • Interpretation Of Fourier's law, Electrical analogy of heat transfer, Critical radius of insulation
  • Heat generation in a slab and cylinder, Fins, Unsteady/Transient conduction
  • Forced convection heat transfer, Reynold’s Number, Prandtl Number, Nusselt Number
  • Incompressible flow over flat surface, HBL, TBL, Forced convection in flow through pipes and ducts, Free/Natural convection
  • Types of heat exchangers, First law of thermodynamics, Classification of heat exchangers
  • LMTD for parallel and counter flow HE, NTU, Fouling factor.
  • Absorbtivity, Reflectivity, Transmitivity, Laws of thermal radiation, Shape factor, Radiation heat exchange

Requirements

  • Must have a sound knowledge of differentiation and integration.
  • Preliminary idea of electrical analogy like current, potential difference, resistance.
  • Thermodynamic processes as such adiabatic, constant pressure and isothermal
  • The most important trait - "A kin and curious mind"

Description

Learn about Conduction, Convection, Radiation and Heat exchangers in a most comprehensive and interactive way. Derivations of formulas, concepts, Numerical, examples are inculcated in the course with advance applications. The course aims at covering all the topics and concepts of HMT as per academics of students. Following are the topics (in detail) that will be covered in the course.

Conduction

  • Thermal conductivity, Heat conduction in gases, Interpretation Of Fourier's law, Electrical analogy of heat transfer, Critical radius of insulation, Heat generation in a slab and cylinder, Fins, Unsteady/Transient conduction.

Convection

  • Forced convection heat transfer, Reynold’s Number, Prandtl Number, Nusselt Number, Incompressible flow over flat surface, HBL, TBL, Forced convection in flow through pipes and ducts, Free/Natural convection.

Heat Exchangers

  • Types of heat exchangers, First law of thermodynamics, Classification of heat exchangers, LMTD for parallel and counter flow, NTU, Fouling factor.

Radiation

  • Absorbtivity, Reflectivity, Transmitivity, Laws of thermal radiation, Shape factor, Radiation heat exchange

Course Content

  • Introduction

    2 Lectures 00:26:49

    • Modes of heat transfer

      Preview
      00:15:15

    • Governing laws of heat transfer

      00:11:34

  • Conduction

    17 Lectures 01:52:47

    • Thermal conductivity

      Preview
      00:04:22

    • Interpretation Of Fourier's law

      Preview
      00:06:24

    • Electrical analogy of heat transfer

      00:05:04

    • Conduction heat transfer through composite slab

      00:07:08

    • Conduction-convection heat transfer through composite slab

      00:09:10

    • Radial conduction through hollow cylinder

      00:06:16

    • Radial conduction through composite cylinder

      00:03:16

    • Radial conduction-convection heat transfer through composite cylinder

      00:07:17

    • Critical radius of insulation

      00:09:19

    • Radial conduction through hollow sphere.

      00:04:11

    • Derivation of generalized heat conduction equation

      00:08:06

    • Heat generation in a slab

      00:09:47

    • Heat generation in a cylinder

      00:07:44

    • What are Fins ?

      00:02:19

    • Analysis of rectangular fins

      00:13:10

    • Fin efficiency and effectiveness

      00:03:18

    • Unsteady/Transient conduction

      00:05:56

  • Convection

    10 Lectures 00:46:34

    • Convection heat transfer

      Preview
      00:03:48

    • Forced convection heat transfer

      00:10:28

    • Physical significance of Reynolds Number in forced convection heat transfer

      00:02:58

    • In compressible flow over flat surface

      00:04:22

    • Physical significance of Nu and Pr in forced convection heat transfer

      00:05:46

    • Thermal boundary layer - TBL

      00:03:13

    • Energy balance for differential control volume of TBL

      00:02:34

    • Momentum equation of HBL & energy equation of TBL

      00:07:15

    • Forced convection in flow through pipes and ducts

      00:03:59

    • Free/Natural convection

      00:02:11

  • Heat Exchangers

    9 Lectures 00:38:30

    • Types of heat exchangers

      Preview
      00:03:43

    • First law of thermodynamics

      00:09:56

    • Classification of heat exchangers

      00:04:35

    • MTD (Mean Temperature Difference)

      00:02:49

    • LMTD Logarithmic Mean Temperature Difference (Parallel flow)

      00:05:25

    • LMTD Logarithmic Mean Temperature Difference (Counter flow)

      00:02:42

    • Some special cases

      00:03:21

    • Effectiveness of heat exchanger

      00:02:26

    • NTU and Fouling factor

      00:03:33

  • Radiation

    5 Lectures 00:26:42

    • What is radiation

      Preview
      00:08:43

    • Absorbtivity, Reflectivity, Transmitivity

      00:05:48

    • Laws of thermal radiation

      00:03:20

    • Shape factor

      00:05:18

    • Radiation heat exchange

      00:03:33

J Aatish Rao

Mechanical engineering professional

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