CO_2热泵热水器的系统设计及试验研究System Design and Experimental Study of CO_2 Heat Pump Water Heater
刘业凤;卓之阳;张峰;鲍团卫;
摘要(Abstract):
设计搭建了蒸发器和气冷器均采用套管式换热器的跨临界CO2热泵热水器性能测试试验台,在制冷剂充注量1.23kg时,通过调节膨胀阀的开度和控制气冷器的水流量来研究系统性能。结果表明:该机组能在较高COP(3.2)下制得65℃的热水,并可以在COP不低于2.0情况下制取80℃的热水;气冷器水流量对系统的COP、出水温度以及系统的排气压力影响最大;高效的换热器可以在压缩机排气温度一样的情况下提高出水温度,使系统在制取高温水时有更高的COP。
关键词(KeyWords): CO2;热泵热水器;跨临界循环;试验研究
基金项目(Foundation):
作者(Author): 刘业凤;卓之阳;张峰;鲍团卫;
Email:
DOI:
参考文献(References):
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