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Experimental study of the behavior of a hybrid ejector-based air-conditioning system with R134a

机译：基于R134a的混合喷射器式空调系统性能的实验研究

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A hybrid ejector-based air-conditioning system which combines a vapor compression cycle and a ejector refrigeration cycle was developed. The waste heat energy from automobile is applied as driven source towards ejector refrigeration cycle. Two ejectors with different mixing chamber diameters are applied separately for performance test and the system is operated under different working modes. The effect of generating, condensing and evaporating pressure on system performance are studied experimentally. The effect of ejector geometry parameters on ejector performance is also investigated. The performance comparison between two working modes is made and the results indicate that (1) the performance of proposed system is sensitive to the three pressures; (2) the coefficient of performance (COP) of hybrid ejector-based air-conditioning system is around 34% higher than that of conventional compressor based system which implies a potential energy saving ability of proposed hybrid system. (C) 2016 Elsevier Ltd. All rights reserved.
机译：开发了基于混合喷射器的空调系统，该系统结合了蒸汽压缩循环和喷射器制冷循环。来自汽车的废热能被用作喷射器制冷循环的驱动源。分别使用两个具有不同混合室直径的喷射器进行性能测试，并且系统在不同的工作模式下运行。实验研究了产生，冷凝和蒸发压力对系统性能的影响。还研究了喷射器几何参数对喷射器性能的影响。进行了两种工作模式的性能比较，结果表明：（1）所提出的系统性能对三种压力都敏感； （2）基于混合喷射器的空调系统的性能系数（COP）比传统基于压缩机的系统的性能系数（COP）高约34％，这表明所提出的混合系统具有潜在的节能能力。 （C）2016 Elsevier Ltd.保留所有权利。

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