R290替代R134a热泵热水器的性能分析与试验研究Performance Analysis and Experimental Study on R290 Substituting for R134a Heat Pump Water heater
胡敏东;王昶;胡懿梵;龙凤元;
摘要(Abstract):
分别对R290和R134a进行了热力学分析,采用R290对R134a成熟机组进行灌注量试验,节流元件匹配试验,不同环境温度下,R290试验机组对比变工况试验。理论及试验结果表明:R290在系统中的单位制热量约为R134a的1.37倍,R290的单位理论COP值约为R134a的94.2%;R290的制冷剂充注量为R134a的30.3%;R290专用试验机组制热性能平均为R134a成熟机组的1.27倍,COP整体略高于R134a成熟机组,尤其在低温方面(-5℃,0℃),平均为R134a成熟机组的1.05倍。
关键词(KeyWords): R290;R134a;热泵热水器;热力学分析;试验研究
基金项目(Foundation): 香港政府基金GCF(522709)
作者(Author): 胡敏东;王昶;胡懿梵;龙凤元;
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DOI:
参考文献(References):
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