Heat Exchangers : Design and Sizing Algorithms (Hardcover)

Introduction xi

Chapter 1 Available Technologies 1

1.1 Introduction 1

1.2 The simplest form of heat exchanger: single-tube or coaxial 1

1.3 Shell-and-tube heat exchangers 2

1.4 Coil-in-tank heat exchangers 3

1.5 Compact heat exchangers 5

1.6 Rotary regenerative heat exchangers 15

1.7 Phase-change heat exchangers 16

1.8 Heat exchangers for power electronics 23

Chapter 2 Tubular Heat Exchanger Design 33

2.1 Introduction 33

2.2 Coaxial tubular heat exchangers 34

2.3 Tubular coil-in-tank heat exchangers 34

2.4 Multitube heat exchanger technology 36

2.5 Flow in a tubular heat exchanger 46

2.6 Position of transverse baffles and flow parameters 48

2.7 Calculation of the Reynolds number for flow in the shell 54

3 Compact Heat Exchanger Design 59

3.1 Introduction 59

3.2 General parameters of compact heat exchangers 60

3.3 Finned-tube compact heat exchanger technology and design 62

3.4 Plate-fin heat exchanger technology and design 67

3.5 Plate heat exchanger technology and design 73

3.6 Spiral heat exchanger technology 81

3.7 Printed-circuit heat exchanger technology and design 84

3.8 New developments in compact heat exchangers 89

Chapter 4 Heat Exchanger Selection, and Sizing Parameters 91

4.1 Introduction 91

4.2 Choosing the type of heat exchanger to be used 92

4.3 Selection of fluid circuits: which fluid for what side? 96

4.4 Choosing the flow configuration 97

4.5 Illustration: choosing a heat exchanger and determining its thermal schedule 97

4.6 Sizing, a complex problem 99

Chapter 5 Sizing Methods 109

5.1 Introduction 109

5.2 Analysis of temperature profiles in an exchanger 110

5.3 Overall heat transfer coefficient 112

5.4 Illustration: overall heat transfer coefficient for a fouled exchanger 119

5.5 Calculation of the heat flux transferred 122

5.6 Method based on the calculation of efficiency: NTU method 124

5.7 Method based on logarithmic mean temperature difference 138

Chapter 6 Sizing Algorithms for Heat Exchangers 153

6.1 Introduction 153

6.2 Principle of heat exchanger sizing 154

6.3 Calculation algorithm for multitube heat exchangers 155

6.4 Illustration: implementation of the shell-and-tube algorithm 162

6.5 Calculation algorithm for cross-flow heat exchangers 175

6.6 Illustration: sizing of car radiators 185

6.7 Calculation algorithm for plate heat exchangers 197

6.8 Illustration: implementation of the plate heat exchanger algorithm 202

6.9 Calculation algorithm for spiral heat exchangers 211

6.10 Illustration: implementation of the spiral heat exchanger algorithm 213

6.11 Calculation algorithm for printed-circuit heat exchangers 221

6.12 Illustration: implementation of the PCHE calculation algorithm 225

Appendices 233

Appendix 1 Database 235

Appendix 2 Calculation of Convection Heat Transfer Coefficients in Exchangers 269

Appendix 3 Calculation of Pressure Drops in Exchangers 299

Appendix 4 Fouling of Heat Exchangers 315

Appendix 5 Nomenclature 321

References 327

Index 339