制冷与热泵循环节能技术新认识  

Energy Censervation Potential of Variable Freguency Cempressor and Gas Engine Driven Heat Pump

作　　者：马一太[1] 查世彤[1] 李敏霞[1] 

机构地区：[1]天津大学,天津300072

出　　处：《流体机械》2003年第1期48-52,53,共6页Fluid Machinery

摘　　要：分别从热力学、传热、流动过程、驱动方式和制冷剂的角度介绍了当前对于制冷循环中的蒸汽过热、回热循环、湿压缩的一些最新认识 ;探讨了膨胀机代替节流阀的可行性与节能潜力 ;阐述了合理传热温差的研究计算方法和降低流动阻力的方法 ,分析了变频压缩机和燃气热泵的优势及节能潜力 。From the view points of thermodynamics,heat transfer,fluid flow process,driven methods and refrigerants,the energy conservation potential and technology are introduced.Some new considerations about the vapor superheat, internal heat exchanger and wet compression are brought forward.And the feasibility and energy conservation potential are also discussed.Moreover,the study and calculation method on reasonable heat transfer temperature difference and the method of decreasing the low resistance are introduced.In addition,the advantages and energy conservation potential of variable frequency compressor and gas engine driven heat pump are provided.

关 键 词：热力学 热泵循环 节能 制冷循环 

分 类 号：TB61[一般工业技术—制冷工程]