New refrigeration system using CO vapor-solid as refrigerant
New refrigeration system using CO vapor-solid as refrigerant
HUANG Dongping1, DING Guoliang1, QUACK Hans2
1.Institute of Refrigeration and Cryogenics Engineering, Shanghai Jiao Tong University; 2.Institute of Refrigeration and Cryogenics Technology, Technical University of Dresden
Abstract：A refrigerant must be in the vapor-liquid phase in a vapor-compression refrigeration system, therefore, CO2 cannot be used as a refrigerant for temperatures lower than -56°C because solid CO2 will form under the triple point temperature of -56°C. A refrigeration system with CO2 vapor-solid particles as refrigerant is put forward, by which a temperature lower than the triple point is achieved. An adjustable nozzle, a sublimator, a high-pressure regulating valve and a low-pressure regulating valve are used to replace the conventional evaporator. Theoretical cycle analysis of the refrigeration system shows that its COP can be 50% higher than that of the conventional one.
出版日期: 2008-12-05
引用本文:
. New refrigeration system using CO vapor-solid as refrigerant[J]. Frontiers of Energy and Power Engineering in China, 2008, 2(4): 494-498.
HUANG Dongping, DING Guoliang, QUACK Hans. New refrigeration system using CO vapor-solid as refrigerant. Front. Energy, 2008, 2(4): 494-498.
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