Abstract:
建立了带有闪蒸器的单螺杆压缩机制冷系统的补气增焓数学模型,对制冷系统进行热力学性能模拟研究,结果表明,当中间补气压力不断增加时,系统的排气温度表现为先降低到达某个最小值然后又逐渐升高,制冷系数COP先增大后逐渐减小,存在最佳中间补气压力为0.83 MPa.最佳中间补气压力与蒸发压力和冷凝压力的变化呈现正相关性,三者之间存在一定的函数关系.当制冷系统处于最佳补气压力状态时,相较于无补气的制冷系统,补气的制冷系统COP提高了2.8%,压缩机排气温度下降了4.1%.
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低温与超导
ISSN: 1001-7100
Year: 2022
Issue: 12
Volume: 50
Page: 67-72,85
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 10
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