# Heat Transfer

Heat transfer is the process of transfer of heat from high-temperature reservoir to low-temperature reservoir. In terms of the thermodynamic system, heat transfer is the movement of heat across the boundary of the system due to temperature difference between the system and the surroundings. The heat transfer can also take place within the system due to temperature difference at various points inside the system. The difference in temperature is considered to be ‘potential’ that causes the flow of heat and the heat itself is called as flux. Now a days the application of Heat Transfer in predicting the thermal profiles as well as the Mechanical properties of Materials are becoming popular.

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Heat Transmission is the method of transfer of heat energy from a higher temperature level tank to the low temp storage tank. In terms of thermodynamic device, heat energy transmission is the action of heat energy all over the boundary of devices, as a result of the temp variation between the system and the settings. A heat transmission may additionally take area within the system as a result of temperature level variation at various points inside the device. A difference in temperature is thought about that triggers the circulation of heat and the warmth itself is called motion. Nowadays application of Heat Transmission in forecasting thermal profile pages and mechanical properties of products are becoming well known.

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Chapter 1

### Chapter-1 Introduction of Heat Transfer

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

Chapter 2

### Chapter-2 Conduction

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)

### 2.9 Conduction (Heat Generation in Cylinder or Wire and an Example based on internal Heat Generation)

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

Conduction (Generalized Conduction Equation and Thermal Diffusivity)

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

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

Conduction (Heat Generation In Cylinder Or Wire And An Example Based On Internal Heat Generation)

Chapter 3

### Chapter-3 Extended Surfaces (Fins) and Unsteady State Heat Conduction

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

Chapter 4

### Chapter-4 Heat Exchangers

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

Chapter 5

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)

Chapter 6

### Chapter-6 Convection

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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### FAQ's

The validity for These videos will be till 30th April 2020 irrespective of date of Buying. You may listen to the videos n number of Times with a good internet connection anytime anywhere.