流体入口温度对换热器热力学性能影响的分析  

The Analysis on the Effect of Cold and Heat Fluid Inlet Temperatures on the Thermodynamic Performance of Heat Exchanger

作　　者：吴双应[1] 李友荣[1] 刘泽筠[1] 

机构地区：[1]重庆大学热能工程学院

出　　处：《重庆大学学报（自然科学版）》1999年第2期69-74,共6页Journal of Chongqing University

摘　　要：采用火用分析方法，分析了高低温换热器的热力学特性，给出了高低温换热器火用效率的计算式，在考虑和不考虑压力火用损失这两种情况下，系统地讨论了冷热流体入口温度对高低温换热器火用效率的影响。Based on the exergy analysis method,the thermodynamic performance of high and low temperature heat exchangers is analysed and the calculating expressions of exergy efficiency are given,which can be used to study systematically the effect of cold and heat fluid inlet temperatures on the exergy efficiency of the high and low temperature heat exchangers on the condition of considering pressure exergy loss and not.

关 键 词：换热器 YONG效率 入口温度 热力学性能 流体 

分 类 号：TK172[动力工程及工程热物理—热能工程]