Heat transfer is the discipline which studies the transfer of energy between material bodies. It deals with the rate of flow of heat from one place to another. The applications of this subject are immense. Practically, all the operations that are carried out in a process industry involve the production or absorption in form of heat. The apparatus used for heat transfer and the control of heat flow are of great importance.

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Heat transfer is the discipline which studies the transfer of energy between material bodies. It deals with the rate of flow of heat from one place to another. The applications of this subject are immense. Practically, all the operations that are carried out in a process industry involve the production or absorption in form of heat. The apparatus used for heat transfer and the control of heat flow are of great importance.

The weightage of this subject in GATE Chemical Engineering exam is about 7 to 9 marks.

Chapter 1

1.1 Introduction of Heat Transfer (Difference between heat transfer & thermodynamics, Modes of Heat Transfer and Variation of Thermal Conductivity)

Chapter 2

2.1 Conduction (Trough a Slab, Electrical Analogy of Heat Transfer, Conductive Thermal Resistance and through composite Slab)

2.2 Conduction (Convection Thermal Resistance, Conduction-Convection Heat Transfer through a composite Slab, Overall Heat Transfer Co-efficient and some examples)

2.3 Conduction (Radial Conduction Heat Transfer through a hollow cylinder & Composite Cylinder and an Example)

2.4 Conduction (Conduction Convection Heat Transfer through a Composite Cylinder and an Example)

2.5 Conduction (Generalized Conduction Equation and Thermal Diffusivity)

2.6 Conduction (Critical Radius of Insulation & Its Physical Significance and Some Examples)

2.7 Conduction (Heat Generation in a slab and an Example)

2.8 Conduction (Radial Conduction Heat Transfer through a Hollow Sphere, Critical Radius of Insulation for Spherical Condition and Variable Thermal Conductivity)

10 videos

Conduction (Trough a Slab, Electrical Analogy of Heat Transfer, Conductive Thermal Resistance and through composite Slab)

Conduction (Convection Thermal Resistance, Conduction-Convection Heat Transfer Through A Composite Slab, Overall Heat Transfer Co-Efficient And Some Examples)

Conduction (Radial Conduction Heat Transfer Through A Hollow Cylinder & Composite Cylinder And An Example)

Conduction (Radial Conduction Heat Transfer through a Hollow Sphere, Critical Radius of Insulation for Spherical Condition and Variable Thermal Conductivity)

Chapter 3

3.1 Basics of Heat Transfer through Extended Surfaces (Fins)

3.2 Analysis of Rectangular Fin having Infinite Length

3.3 Analysis of Rectangular Fin having Finite Length and Insulated at its Tip

3.4 Analysis of Rectangular Fin having Finite Length and Convicted Heat from its Tip

3.5 Heat Transfer through Rod Connected two Heat Source at Different Temperature

3.6 Infinite Long Fin Approximation

3.7 Fins Efficiency and Effectiveness

3.8 Unsteady State (Transient) Heat Conduction

3.9 Examples based on Unsteady State Heat Conduction

9 videos

Chapter 4

4.1 Basics Concepts and Classification of Heat Exchanger

4.2 Temperature Profile of Heat Exchanger

4.3 Logarithmic Mean Temperature Difference

4.4 Example Based on Logarithmic Mean Temperature Difference

4.5 Special Cases Regarding Logarithmic Mean Temperature Difference

4.6 Design of Heat Exchanger by Logarithmic Mean Temperature Difference Method

4.7 Effectiveness of Heat exchangers

4.8 Effectiveness of Parallel and Counter Flow Heat exchangers

4.9 Design of Heat Exchanger by Effectiveness-NTU Method

10 videos

Chapter 5

5.1 Fundamentals of Thermal Radiation

5.2 Basic Definition/Terminologies of Thermal Radiation

5.3 Laws of Thermal Radiation (Kirchhoff,Planck,Wiens displacement,Stefan-Boltzmann & Lambert Cosine)

5.4 Shape Factor (Concept of shape factor & Shape factor Relations like Reciprocity,Summation,superposition & Symmetrycity etc)

5.5 Radiation Network & Radiation Exchange

5.6 Radiation Shields & Radiation effect in Temperature Measurement

Chapter 6

6.1 Introduction to Convection Heat Transfer

6.2 Basics of Forced Convection Heat Transfer

6.3 Thermal Boundary Layer Concept

6.4 External Forced Convection ( Flow over a flat plate )

6.5 Internal Forced Convection (Flow through Pipe or duct )

6.6 Natural or Free Convection-1

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