More Related Content Similar to Refrigeration (20) Refrigeration2. 10-1 Vapor-Compression Cycle 10-1-1 The Reversed Carnot Cycle Coefficient of Performance T s 4 1 2 3 T H T L 4. 10-1-2 The Ideal Vapor-Compression Refrigeration Cycle Equipments: condenser 1 2 3 4 compressor Expansion valve evaporator 9. Usually p 1 , p 2 are available From p 1 , get h 1 ”, s 1 ” h 1 = h 1 ” s 1 = s 1 ” From p 2 , s 1 , get h 2 From p 2 , get h 2 ’ h 3 = h 2 ’ h 4 = h 3 h s 1 2 3 4 13. 10-3 Heat Pump An equipment Absorbing heat from environment for heating purpose T s T H T 0 1 2 3 4 16. 10-4 Innovative Vapor-compression Refrigeration Systems 10-4-1 Regenerative Vapor Compression cycle Equipments condenser evaporator Heat exchanger separator compressor 20. 10-4-3 Multistage Compression Refrigeration Systems condenser evaporator Flash chamber 1 2 3 heat exchanger 4 5 6 7 8 9 T s 1 2 3 4 5 6 7 8 9 24. 10-5 Gas Refrigeration cycle 10-4-1 Equipments Heat exchanger Q H Heat exchanger Q L compressor turbine 25. T s p 2 p 1 1 2 3 4 T 0 T L 32. 10-6 Absorption Refrigeration System heat condenser evaporator =compressor 33. Refrigerant: Ammonia Transport medium: Water Refrigerant: Water Transport medium: Lithium bromide 34. 10-6 Adsorption Refrigeration Active carbon evaporator condenser Solar energy