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Performance of different throttle refrigeration cycles

机译：不同节气门制冷循环的性能

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Numerous cycle configurations were presented based on the Joule-Thomson effect of real gases for different refrigeration applications from cryogenic temperature to room temperature. Using throttle device to produce refrigeration is the general feature among those refrigeration cycles, such as the vapor-compression cycle, the cascade cycle, the single-stage recuperative cycle with mixed-refrigerants, and the dual mixed-refrigerant cascade recuperative cycle. In this paper, thermodynamic models were presented to analyze the thermodynamic performances of those throttle refrigeration cycles, especially the recuperative mixed-refrigerant cycles for low temperature refrigeration applications. The results show that with optimal mixture and cycle configuration, the low-temperature recuperative refrigeration cycle can achieve a high performance as good as the commercial vapor-compression cycle.
机译：基于实际气体的焦耳-汤姆森效应，针对从低温到室温的不同制冷应用，提出了多种循环配置。在这些制冷循环中，例如蒸汽压缩循环，级联循环，带混合制冷剂的单级回热循环，以及双混合制冷剂级联回热循环，是使用节流装置产生制冷的普遍特征。在本文中，提出了热力学模型来分析这些节气门制冷循环的热力学性能，尤其是用于低温制冷应用的回热式混合制冷剂循环。结果表明，通过最佳的混合和循环配置，低温回热式制冷循环可实现与商用蒸汽压缩循环一样好的性能。

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