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Experimental research on eutectic refrigerating system with economizer

机译：省煤器共晶制冷系统的实验研究

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The gas refrigerant injection is successfully implemented in refrigerating systems, using the scroll compressors with an additional vapour injection connection. The two main configurations of gas refrigerant injection systems are i) flash tank system and ii) intermediate heat exchanger (IHX) system, also called an economizer technology. The economic system reduces the throttling loss by decreasing the specific enthalpy ofthe refrigerant, entering the thermostatic expansion valve (TXV) ofthe main loop. Also, the overheated gas compression loss can be decreased by decreasing the temperature in the compression pocket. Therefore, the gas refrigerant injection improves the performance ofthe vapor compression system. According to the research Winandy and Lebrun 2002 [1], Wang et al. 2009 [2] under the large compression ratio conditions the gas refrigerant injection not only increase the efTicien-cy and capacity ofthe system, but also improves system's reliability by decreasing the discharge temperature of compressor.
机译：气体制冷剂喷射在制冷系统中成功实现，使用带有附加蒸汽喷射接口的涡旋压缩机。气体制冷剂喷射系统的两个主要配置是：i）闪蒸罐系统和ii）中间热交换器（IHX）系统，也称为节能器技术。经济系统通过降低进入主回路的恒温膨胀阀（TXV）的制冷剂的比焓来减少节流损失。而且，可以通过降低压缩腔中的温度来降低过热气体的压缩损失。因此，气体制冷剂的注入改善了蒸气压缩系统的性能。根据Winandy和Lebrun 2002年的研究[1]，Wang等。 2009 [2]在大压缩比条件下，气体制冷剂的注入不仅提高了系统的效率和容量，而且通过降低压缩机的排气温度提高了系统的可靠性。

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