低温水源热泵运行分析  

Exergy Analysis of Low-temperature Water Heat Pump Operation

作　　者：朱林[1] 王有镗[1] 刘晔[1] 朱晓林[1] 

机构地区：[1]吉林建筑工程学院市政与环境工程学院,长春130021

出　　处：《吉林建筑工程学院学报》2009年第6期37-40,共4页Journal of Jilin Architectural and Civil Engineering

摘　　要：利用的分析方法评价低温水源热泵运行过程,得出机组在10℃和15℃水源下的损分别为1.22 kW和1.04 kW及效率分别为21%和33%的结论.通过对系统各组成设备损、效率计算,明确其对系统效率的影响,以压缩机对系统效率影响最大.通过改变基准状态点,开展在不同环境温度下的系统损和效率的比较研究,分别绘制出不同环境温度情况下系统损和效率的折线图,以分析其影响.In this paper, we introduced the method of exergy analysis and evaluated the course of low-temperature water heat pump operation. Under the water temperature specified as 10℃and 15℃, the exergy deduction of heat pump unit was obtained to 1.22kw and 1.04kw, respectively, the exergy efficiency of heat pump was obtained to 21% and 33%, respectively. The influence extent to system efficiency of facilities was specified by the method of exergy deduction and exergy efficiency calculation to each equipment in the system. After calculation, the compressor was considered the biggest influence factor. Also, changing the reference state, comparing the system exergy deduction and exergy efficiency in the different environment temperature, we could depict graph to analyze the system exergy deduction and exergy efficiency when altering the environment temperature.

关 键 词：低温水源 [火用]损 [火用]效率 基准点 

分 类 号：TU83[建筑科学—供热、供燃气、通风及空调工程]