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This book explains the basic modes of heat transfer namely conduction, convection and radiation.
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About the book
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.
1.1 Heat Transfer Modes
1.2 System of Units
1.7 Multiple Choice assessment
2.1 The General Conduction Equation
2.2 One-Dimensional Steady-State Conduction in Radial Geometries:
2.3 Fins and Extended Surfaces
2.5 Multiple Choice Assessment
3.1 The convection equation
3.2 Flow equations and boundary layer
3.3 Dimensional analysis
3.4 Forced Convection relations
3.5 Natural convection
3.7 Multiple Choice Assessment
4.2 Radiative Properties
4.3 Kirchhoff’s law of radiation
4.4 View factors and view factor algebra
4.5 Radiative Exchange Between a Number of Grey Surfaces
4.6 Radiation Exchange Between Two Grey Bodies
4.8 Multiple Choice Assessment
5. Heat Exchangers
5.2 Classification of Heat Exchangers
5.3 The overall heat transfer coefficient
5.6 Multiple Choice Assessment
About the Author
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 into Turbomachinery and Suistanable Energy Technology, with primary focus on utlising Computational Fluid Dynamics tools I have developed over 20 years of research and the extensive experimental facilities at the TFMRC. I am currently the Dirctor of Research and Knolwedge exchange at the School of Engineering and Informatics and the Head of the Mechanical Engineering Research Group.
I am the convenor of the MSc degrees in Suistanable Energy Technology, Mechanical Engineering, Andvanced Mechanical Engineering and Aerospace Technolgy.
I have been teaching: Computational Fluid Dynamics, Turbomachinery and turbochargin, Heat Transfer Applicaitons.
Higher Education and Employment History:
BSc: Mechanical Engineering from Birzeit University, West Bank, Palestine in April 1987, with Distinction
MSc: energy Technology for Developing coutries, Salford University, UK. 1990. Prject title: Utilisation of wind power to drive air-lift water pumps.
PhD: Computational Fluid Dynamics, University of Manchester Institute of Science and Technology (UMIST) UK, 1994. Thesis title: Finite Element model for dense gas dispersion in the atmosphere, effect of ground topography and radiation absorption.
Research Associate: Department of Aeronautics, Imperial college London (1994-1995)
Research Associate, Research Fellow and the Princpal Research Fellow, Department of Mechanical Engineering, Rolls-Royce Vibrtion University Technology Centre, Imperial College London (1996-2005)
Senior Lecturer, Compuational Mechnaics, Brunel University, 2005-2006
Professor of Computational Fluid Dynamics, University of sussex, 2006-date
Professor of Computational Fluid Dynamics
Director of Research and Knowlege Exchange, School of Engineering and Informatics
Head of the Mechanical Engineering Research Group
Degree Convenor: MSc Sustainable Energy Technology, Advanced Mechanical Engineering, Mechanical Engineering, Aerospce Technology
Community and Business:
Chairman of the Cycle Efficiency Technical Committee, European Turbine Network, ETN, http://www.eu-gasturbine.org/
Memeber of IMechE Committee South Eastern Region
Member of IMechE Committee Sussex and Surrey Area
Development Officier in the British Arab Association