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Comparative study of the performance of an ejector refrigeration cycle operating with various refrigerants

机译:各种制冷剂运行的喷射器制冷循环性能的比较研究

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Ejector refrigeration systems have attracted many research activities in recent years. These systems traditionally operate with water as refrigerant with low COP values. Other refrigerants commonly used in mechanical vapour compression cycles may provide better performance for ejector refrigeration cycles. Eleven refrigerants, including water, halocarbon compounds (CFCs, HCFCs and HFCs), a cyclic organic compound, and an azeotrope, are chosen as working fluids in an ejector refrigeration system, and their performances are compared. The results show that steam jet systems have very low COP values, the system using R152a as refrigerant has better performance and the variation in COP values for various refrigerants is almost independent of system operating conditions.
机译:近年来,喷射器制冷系统吸引了许多研究活动。传统上,这些系统使用水作为低COP值的制冷剂运行。通常在机械蒸气压缩循环中使用的其他制冷剂可以为喷射器制冷循环提供更好的性能。在喷射器制冷系统中,选择了包括水,卤化碳化合物(CFC,HCFC和HFC),环状有机化合物和恒沸物在内的11种制冷剂作为工作流体,并对其性能进行了比较。结果表明,蒸汽喷射系统的COP值非常低,使用R152a作为制冷剂的系统具有更好的性能,并且各种制冷剂的COP值变化几乎与系统运行条件无关。

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