摘要
提出了"双源(双工道)"概念,分析了双源换热器的可行性,设计了一种肋片式双源(双工道)换热器,研究了该换热器的加工工艺、性能参数、最大效率的复合换热温差及换热效率,实现了双源在双工道中的复合利用。对双源热泵机组在各种工况、不同运行模式下的换热效率进行了实验研究,通过分析有效实验数据得出:在有效温差范围内,新型肋片式双源(双工道)换热器的换热效率可高达85%。
Proposes the concept of dual-source(duplex channel).Analyses the feasibility of dual-source heat exchanger.Designs a new type of finned dual-source(duplex channel)heat exchanger.Studies the manufacturing process,the performance parameters,the maximum efficiency of compound heat transfer temperature difference and the heat exchange efficiency of the heat exchanger and achieves the dual-source compound use in duplex channel.Studies the thermal efficiency of the dual-source heat pump unit under various working conditions and different operating modes and analyses the effective experimental data.The results show the thermal efficiency of new type finned dual-source(duplex)can be improved to as high as85% within the scope of the effective temperature difference.
出处
《暖通空调》
北大核心
2016年第3期98-102,共5页
Heating Ventilating & Air Conditioning
关键词
换热器
双源(双工道)
肋片式双源换热器
复合换热温差
运行模式
换热效率
heat exchanger
dual-source(duplex channel)
finned dual-source heat exchanger
compound heat transfer temperature difference
operating mode
heat exchange efficiency