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Refrigeration, air conditioning and heat pumps
Refrigeration, Air Conditioning and Heat Pumps, Fifth Edition, provides a comprehensive introduction to the principles and practice of refrigeration. Clear and comprehensive, it is suitable for both trainee and professional HVAC engineers, with a straightforward approach that also helps inexperienced readers gain a comprehensive introduction to the fundamentals of the technology. With its concise style and broad scope, the book covers most of the equipment and applications professionals will encounter. The simplicity of the descriptions helps users understand, specify, commission, use, and maintain these systems. It is a must-have text for anyone who needs thorough, foundational information on refrigeration and air conditioning, but without textbook pedagogy. It includes detailed technicalities or product-specific information. New material to this edition includes the latest developments in refrigerants and lubricants, together with updated information on compressors, heat exchangers, liquid chillers, electronic expansion valves, controls, and cold storage. In addition, efficiency, environmental impact, split systems, retail refrigeration (supermarket systems and cold rooms), industrial systems, fans, air infiltration, and noise are also included.
Title page; Table of Contents; Copyright; Preface; Preface to the Previous Edition; Acknowledgements; List of Abbreviations; Chapter 1: Fundamentals; Abstract; 1.1. Introduction; 1.2. Temperature, work and heat; 1.3. Heat and enthalpy; 1.4. Boiling point; 1.5. General gas laws; 1.6. Dalton's law; 1.7. The pressure -- enthalpy chart; 1.8. Heat transfer; 1.9. Transient heat flow; 1.10. Two-phase heat transfer; Chapter 2: The Refrigeration Cycle; Abstract; 2.1. Ideal cycle; 2.2. Simple vapour compression cycle; 2.3. Practical considerations and COP; 2.4. Multistage cycles.
2.5. Transcritical carbon dioxide cycles2.6. Heat powered cycles; 2.7. Other processes; Chapter 3: Refrigerants; Abstract; 3.1. Introduction; 3.2. Ideal properties for a refrigerant; 3.3. Ozone depletion potential; 3.4. Global warming potential; 3.5. Nomenclature; 3.6. Refrigerant blends and glide; 3.7. Legislation; 3.8. Containment and training; 3.9. Refrigerant applications; 3.10. Refrigerants and efficiency; 3.11. Health and safety; 3.12. Innovation; Chapter 4: Compressors; Abstract; 4.1. Introduction; 4.2. The piston compression process; 4.3. Multi-cylinder compressors; 4.4. Valves.
4.5. Capacity reduction4.6. Enclosed motors; 4.7. Open compressors; 4.8. Cooling and protection; 4.9. Strainers, lubrication and crankcase heaters; 4.10. Compressor efficiency; 4.11. Screw compressors; 4.12. Scroll compressors; 4.13. Sliding and rotary vane compressors; 4.14. Dynamic compressors; 4.15. Refrigerant suitability; Chapter 5: Oil in Refrigerant Circuits; Abstract; 5.1. Introduction; 5.2. Requirements and characteristics; 5.3. Moisture and AIR contamination; 5.4. Oil separators; 5.5. Oil circulation; 5.6. Oil properties summary; Chapter 6: Condensers and Cooling Towers; Abstract.
6.1. Introduction6.2. Heat to be removed; 6.3. Air-cooled condensers; 6.4. Water-cooled condensers; 6.5. Cooling towers and dry coolers; 6.6. Evaporative condensers; 6.7. Water treatment; 6.8. Condenser maintenance; 6.9. Legionella; 6.10. Design considerations; 6.11. Low ambient operation; 6.12. Receivers; 6.13. Heat-pump condensers; Chapter 7: Evaporators; Abstract; 7.1. Introduction; 7.2. Air cooling evaporators; 7.3. Liquid cooling evaporators; 7.4. Plate evaporators for freezing; 7.5. Defrosting; 7.6. Condensate pumps; Chapter 8: Expansion Valves; Abstract; 8.1. Introduction.
8.2. Thermostatic expansion valves8.3. External equaliser; 8.4. Electronic expansion valves; 8.5. Capillary tubes and restrictors; 8.6. Low-pressure float valves and switches; 8.7. High-pressure float valves; 8.8. Other level controls; Chapter 9: Controls and Other Circuit Components; Abstract; 9.1. Introduction; 9.2. Main control functions; 9.3. Safety and protection devices; 9.4. Oil-pressure switches; 9.5. Pressure and temperature indicators; 9.6. Solenoid valves; 9.7. Evaporator pressure regulation valves; 9.8. Hot gas by-pass valves; 9.9. Shut-off valves; 9.10. Filter-driers.
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Includes bibliographical references and index.
Refrigeration and refrigerating machinery