CAJ | 학술논문

对比了R1234ze、R134a、R124、R142b等工质的热物理性质，分析了几种工质在高温热泵应用中相同工况下的压比、COP、压缩机排气量、排气温度等性能参数，论述了R1234ze用作高温热泵工质的可行性及R1234ze高温热泵机组的特性。结果表明R1234ze在高温热泵75～95℃工作区间内，具有系统制热COP高、压比适中、压缩机排气温度低等特点。同时，其良好的热物性、较低的GWP值决定了其可以应用于高温热泵中。
대비료R1234ze、R134a、R124、R142b등공질적열물이성질，분석료궤충공질재고온열빙응용중상동공황하적압비、COP、압축궤배기량、배기온도등성능삼수，논술료R1234ze용작고온열빙공질적가행성급R1234ze고온열빙궤조적특성。결과표명R1234ze재고온열빙75～95℃공작구간내，구유계통제열COP고、압비괄중、압축궤배기온도저등특점。동시，기량호적열물성、교저적GWP치결정료기가이응용우고온열빙중。
For verify possibility of applying R1234ze in high-temperature heat pump,fundamental physical and thermodynamic properties of R1234ze,R124,R134a and R142b were listed and compared.Meanwhile,with different refrigerants,main system parameters of high-temperature heat pump,including COP,pressure ratio,compressor volume,discharge temperature and heat exchange areas with the same heat yields,were compared.Characteristics of R1234ze high-temperature heat pump system were also presented.Results indicated that in condensing temperature range of 75 ~95℃,high-temperature heat pump system with R1234ze has advantages on which include high heating COP,low discharge temperature and medium pressure ratio.