【Key words】 ejector refrigeration； ejector； low grade heat； constant Mach number gradient； gray theory；
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The exergy analysis results of the solar ejector refrigeration system show that irreversibilities occur among all components and depend on the operating temperatures.
对太阳能喷射制冷系统分析结果表明,不可逆损失产生于各个部件,随运行温度而变化。
参考来源 - 基于分析的太阳能喷射制冷系统运行参数优化·2,447,543篇论文数据，部分数据来源于NoteExpress
对利用低温位热能来驱动的几种制冷装置性能进行了比较，以喷射式制冷为基础，以HCFC - 123为工质的制冷装置是比较理想的新型空调用制冷装置。
Through comparing on performance of some refrigeration drived by potential energy of low temperature. A new refrigeration based on jet compress with HCFC-123 is found.
目前太阳能制冷技术研究的热点是太阳能吸收式制冷、太阳能喷射式制冷和太阳能吸附式制冷。
Now the hot topic of the solar refrigeration is about the solar absorption refrigeration and the solar adsorption refrigeration as well as the eject refrigeration.
结合中国北方某城市在夏天太阳能辐射数值，给出了以R123为制冷剂的太阳能喷射式制冷系统在这种条件下的运行结果。
According to the solar radiation data of a city in north China, the simulation of the performance of a solar ejector refrigeration system was carried out, in which R123 was taken as the refrigerant.
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