几种中高温热泵工质的循环性能实验研究  

EXPERIMENTAL INVESTIGATIONS ON THE CYCLE PERFORMANCES OF WORKING FLUIDS FOR MODERATE/HIGH TEMPERATURE HEAT PUMPS

作　　者：曹志勇[1] 王怀信[1] 郭涛[1] 储静娴[1] 

机构地区：[1]天津大学热能与制冷工程系,天津300072

出　　处：《工程热物理学报》2008年第8期1280-1282,共3页Journal of Engineering Thermophysics

基　　金：国家自然科学基金资助课题(No.50476062)

摘　　要：出于对工质自身环境特性和系统运行性能对环境的综合影响的考虑,对理论循环性能优良的HCFCs工质HCFC124、HCFC142b,含有HCFCs的二元混合工质MB3B、MB3C、MB1B和三元混合工质MT1C,在冷凝温度为60～90℃的中高温热泵工况范围内,进行了循环性能对比实验研究。实验在水-水蒸汽压缩式热泵实验台上、以指定工质侧参数的实验方式进行。结果表明,6种工质的实验循环性能优良。与ODP为O、具有在冷凝温度为80℃以上的工况范围应用潜力的代表性工质HFC245fa相比,在HFC245fa适用的实验工况范围内,6种工质的压缩机排气温度均高于HFC245fa;MB1B、MT1C系统的COP明显高于HFC245fa,其余4种工质系统的COP略高于HFC245fa;6种工质系统的制热量均明显高于HFC245fa。Considering both of the direct and the in-direct impacts on the environment attributed respectively to the ODP and GWP of a fluid and the operating performance of the system in which the fluid serves as the working fluid,performances of HCFC124,HCFC142b,and HCFC component containing mixture MB3B,MB3C,MB1B and MT1C as working fluids for moderate/high temperature heat pumps were experimentally investigated and comparatively assessed in a condensing temperature range of 60 to 90℃.For each of the fluids,the mea...

关 键 词：中高温热泵工质 循环性能 实验研究 

分 类 号：TK123[动力工程及工程热物理—工程热物理]