文档介绍:9/11/2002 10:56 AM Page vii
C ONTENTS
Preface xviii CHAPTER TWO
Nomenclature xxvi
HEAT CONDUCTION EQUATION 61
2-1 Introduction 62
CHAPTER ONE Steady versus Transient Heat Transfer 63
BASICS OF HEAT TRANSFER 1 Multidimensional Heat Transfer 64
Heat Generation 66
2-2 One-Dimensional
1-1 Thermodynamics and Heat Transfer 2
Heat Conduction Equation 68
Application Areas of Heat Transfer 3
Heat Conduction Equation in a Large Plane Wall 68
Historical Background 3
Heat Conduction Equation in a Long Cylinder 69
1-2 Engineering Heat Transfer 4 Heat Conduction Equation in a Sphere 71
Combined One-Dimensional
Modeling in Heat Transfer 5 Heat Conduction Equation 72
1-3 Heat and Other Forms of Energy 6 2-3 General Heat Conduction Equation 74
Specific Heats of Gases, Liquids, and Solids 7 Rectangular Coordinates 74
Energy Transfer 9 Cylindrical Coordinates 75
Spherical Coordinates 76
1-4 The First Law of Thermodynamics 11
2-4 Boundary and Initial Conditions 77
Energy Balance for Closed Systems (Fixed Mass) 12
Energy Balance for Steady-Flow Systems 12 1 Specified Temperature Boundary Condition 78
Surface Energy Balance 13 2 Specified Heat Flux Boundary Condition 79
3 Convection Boundary Condition 81
1-5 Heat Transfer Mechanisms 17 4 Radiation Boundary Condition 82
5 Interface Boundary Conditions 83
1-6 Conduction 17 6 Generalized Boundary Conditions 84
Thermal Conductivity 19 2-5 Solution of Steady One-Dimensional
Thermal Diffusivity 23 Heat Conduction Problems 86
1-7 Convection 25 2-6 Heat Generation in a Solid 97
1-8 Radiation 27 2-7 Variable Thermal Conductivity, k(T) 104
1-9 Simultaneous Heat Transfer Mechanisms 30 Topic of Special Interest:
A Brief Review of Differential Equations 107
1-10 Problem-Solving Technique 35 Summary 111
References and Suggested Reading 112
A Remark on Significant Digits 37 Problems 113
Engineering Software Packages 38
Engineering Equation Solver (EES)