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155 pages

Språk:

English

This book explains the basic modes of heat transfer namely conduction, convection and radiation.

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Current position and duties:

I have joined the Univesity of Sussex in December 2006 as a Professor of Computational Fluid Dynamics. I have established a research team based in the Thermo-Fluid Mechanics Research Centre (TFMRC) which currently includes seven PhD students conducting research int...

Current position and duties:

I have joined the Univesity of Sussex in December 2006 as a Professor of Computational Fluid Dynamics. I have established a research team based in the Thermo-Fluid Mechanics Research Centre (TFMRC) which currently includes seven PhD students conducting research int...

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Description

Content

This book explains the basic modes of heat transfer namely conduction, convection and radiation. Fundamental mathematical models representing the heat transfer modes are introduced and application engineering problems are discussed. The principles of heat exchangers operation are covered as well.

Energy is defined as the capacity of a substance to do work. It is a property of the substance and it can be transferred by interaction of a system and its surroundings. The student would have encountered these interactions during the study of Thermodynamics. However, Thermodynamics deals with the end states of the processes and provides no information on the physical mechanisms that caused the process to take place. Heat Transfer is an example of such a process. A convenient definition of heat transfer is energy in transition due to temperature differences. Heat transfer extends the Thermodynamic analysis by studying the fundamental processes and modes of heat transfer through the development of relations used to calculate its rate.

The aim of this chapter is to console existing understanding and to familiarise the student with the standard of notation and terminology used in this book. It will also introduce the necessary units.

- Introduction
- Heat Transfer Modes
- System of Units
- Conduction
- Convection
- Radiation
- Summary
- Multiple Choice assessment

- Conduction
- The General Conduction Equation
- One-Dimensional Steady-State Conduction in Radial Geometries:
- Fins and Extended Surfaces
- Summary
- Multiple Choice Assessment

- Convection
- The convection equation
- Flow equations and boundary layer
- Dimensional analysis
- Forced Convection relations
- Natural convection
- Summary
- Multiple Choice Assessment

- Radiation
- Introduction
- Radiative Properties
- Kirchhoff’s law of radiation
- View factors and view factor algebra
- Radiative Exchange Between a Number of Grey Surfaces
- Radiation Exchange Between Two Grey Bodies
- Summary
- Multiple Choice Assessment

- Heat Exchangers
- Introduction
- Classification of Heat Exchangers
- The overall heat transfer coefficient
- Summary
- Multiple Choice Assessment

- References