制冷技术 英文版PDF电子书下载

Part Ⅰ Introduction 1

Chapter 1　Introduction to Refrigeration 1

1-1 A Sample of Refrigeration System——Split Room Air Conditioner 1

1-2 Definition and Scope of Refrigeration 2

1-3 Main Applications of Refrigeration 4

1-4 History of Refrigeration in the World 20

1-5 Refrigeration in China 28

1-6 Academic Organizations and Journals of Refrigeration in the World 29

1-7 Academic Organizations and Journals of Refrigeration in China 32

References 36

Part Ⅱ The Principles of Refrigeration 37

Chapter 2 Thermodynamic Analyses of Refrigeration Cycle 37

2-1 The Laws of Thermodynamics and Their Relation to Refrigeration 37

2-2 The Refrigeration Cycle and its Main Components 40

2-3 The Performance of Refrigeration System 43

2-4 Entropy Analyses Method of Refrigeration System 44

2-5 Work and Heat Operated Refrigerators 46

2-6 Lorenz Cycles for Variable Temperature Heat Source and Heat Sink 47

References 48

Chapter 3 Methods of Decreasing Temperature（Ⅰ）——Related to Gas and Liquid Refrigerants 49

3-1 Decreasing Temperature by Adiabatic Throttling——J-T Effect 49

3-2 Decreasing Temperature by Pressure Reduction in Two Phase Region 53

3-3 Decreasing Temperature by Adiabatic Expansion of Gas with Doing Work 54

3-4 Decreasing Temperature by Adiabatic Vortex Ranque Effect 56

3-5 Decreasing Temperature by Variable Mass System in Unsteady Flow 59

3-6 Decreasing Temperature by Thermo-Acoustic Effect 65

References 69

Chapter 4 Methods of Decreasing Temperature（Ⅱ）——Related to Solid Refrigerants 70

4-1 Decreasing Temperature by Thermo-Electric Peltier Effect 70

4-2 Decreasing Temperature by Magnetocaloric Effect(Adiabatic Demagnetization) 74

4-3 Decreasing Temperature by Photo Method 80

References 85

Chapter 5 Vapor and Gas Refrigeration Cycles 87

5-1 Mechanical Powered Vapor Compression Refrigeration Cycle 87

5-2 Heat Powered Vapor Compression Refrigeration Cycle（1）——Vapor Absorption Refrigeration 89

5-3 Heat Powered Vapor Compression Refrigeration Cycle（2）——Vapor Adsorption Refrigeration 101

5-4 Heat Powered Vapor Compression Refrigeration Cycle（3）——Vapor Jet Refrigeration 106

5-5 Refrigeration Cycle by Gas Compression and Adiabatic Expansion 110

References 116

Chapter 6 Cycle Analyses of Vapor Compression Refrigeration 117

6-1 Single-Stage Vapor Compression Refrigeration Systems 117

6-2 Multi-Stage Vapor Compression Systems 136

6-3 Cascade Vapor Compression Systems 144

6-4 Auto Cascade Vapor Compression Systems 147

References 149

Part Ⅲ The Refrigerants and Other Substances for RefrigerationChapter 7 Introduction of Refrigerants 151

7-1 Refrigerant in Vapor Compression Refrigeration 151

7-2 Refrigeration Characteristics of Refrigerants 152

7-3 Some Important Physical/Chemical Properties of Refrigerants 154

7-4 Classification and Nomenclature of Refrigerants 160

7-5 Secondary Refrigerants 167

References 169

Chapter 8 Environmental Friendly Refrigerants 171

8-1 Ozone Depletion by CFCs in Stratosphere 171

8-2 Montreal Protocol and its Amendments 178

8-3 Greenhouse Effect and Global Warming 180

8-4 Kyoto Protocol 184

8-5 Global Warming Impacts of Refrigerants 188

8-6 Fluorinated Refrigerants 190

8-7 Environmental and Thermal Properties of Natural Refrigerants 196

8-8 Alternative Refrigerants 199

References 200

Chapter 9 Psychrometry and Air Processes 201

9-1 Composition and Thermal Properties of Moist Air 201

9-2 Thermal Properties of Saturated Water and Saturated Moist Air 204

9-3 Adiabatic Saturation Process and Wet Bulb Temperature 206

9-4 Approximate Calculation of the Thermal Properties of Moist Air 207

9-5 Psychrometric Chart 209

9-6 Air Handing Processes 212

9-7 Heat and Mass Transfer Between Moist Air and Solid Surface 213

References 215

Part Ⅳ The Equipment for Refrigeration Cycles 216

Chapter 10 Compressors 216

10-1 Main Types of Compressors 216

10-2 Reciprocating Compressors 217

10-3 Scroll Compressors 225

10-4 Screw Compressors 228

10-5 Turbo Compressors 231

10-6 Roller Type Compressors 234

10-7 Vane Type Compressors 236

10-8 Inverter Technology and Inverter Driven Compressors 237

References 240

Chapter 11 Condensing Equipment 241

11-1 Function and Classification of Condensers 241

11-2 Water-Cooled Condensers 242

11-3 Cooling Tower 248

11-4 Air-Cooled Condensers 252

11-5 Evaporative Condensers 254

References 255

Chapter 12 Evaporators 256

12-1 Function and Classification of Evaporators 256

12-2 Dry-Expansion Evaporators and Flooded Evaporators 256

12-3 Main Types of Evaporator Construction 259

12-4 Air Cooler and Spray Air Cooler 266

12-5 Direct and Indirect Refrigeration Systems 269

References 270

Chapter 13 Refrigerant Flow Control 272

13-1 Hand Expansion Valves 272

13-2 Capillary Tube 273

13-3 Thermostatic Expansion Valves-Superheat Control 277

13-4 Automatic Expansion Valves-Evaporator Pressure Control 280

13-5 Electronic Expansion Valves 282

13-6 The Practical Refrigeration System and its Temperature and Pressure Control 285

References 287

Index 288