风冷热泵用新型干式蒸发器的实验研究Experimental Investigation on a Novel Dry-Expansion Evaporator in an Air-Cooled Heat Pump
尹应德,孙晋飞,朱冬生,刘峰,王洪
摘要(Abstract):
针对传统折流板管壳干式蒸发器存在换热性能不佳和阻力大的问题,基于非对称空间传热理念,提出一种新型顺紊流自支撑型干式蒸发器,并将其装配在风冷热泵上进行实验测试研究。测试结果表明:风冷热泵的制冷量为52.33k W,制冷性能系数为2.47,制热量为63.32 k W,制热性能系数为3.0。实验对比配置传统折流板管壳干式蒸发器的同型号风冷热泵,其干式蒸发器的换热面积减少33.3%,制冷性能系数提高6.0%,制热性能系数提高15.8%,制冷剂充注量减少7.1%。
关键词(KeyWords): 风冷热泵;干式蒸发器;顺紊流;非对称空间传热;节能
基金项目(Foundation): 广东美的制冷设备有限公司院市合作项目(科技创新项目)(2014HK100283);; 中国南方智谷引进创新团队(顺府办函[2014]365号)
作者(Author): 尹应德,孙晋飞,朱冬生,刘峰,王洪
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