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热经济学分析方法及其在冷凝水回收系统中的应用
引用本文:赵衍海,罗永浩,陆方,闫玉林. 热经济学分析方法及其在冷凝水回收系统中的应用[J]. 动力工程, 2005, 25(1): 121-124,130
作者姓名:赵衍海  罗永浩  陆方  闫玉林
作者单位:上海交通大学,热能工程系,200240
摘    要:对热经济学分析方法进行了系统介绍,引入了Yong成本差和Yong经济系数作为系统热经济性的评价标准,并以冷凝水回收系统为例,对其进行了热经济性分析,得出了其各个子系统的成本差和经济系数,指明了系统中的用能薄弱环节及其主要原因,同时得出了在年运行时间不同的情况下,系统产品的总成本差随年运行时间变化的规律。图4表2参7

关 键 词:动力机械工程  (火用)成本差  (火用)经济系数  热经济性分析  冷凝水回收系统
文章编号:1000-6761(2005)01-0121-04

A Thermo-Economic Analysis Method and Its Application to A Sealed Condensate Water Recovery System
ZHAO Yan-hai,LUO Yong-hao,LU Fang,YAN Yu-lin. A Thermo-Economic Analysis Method and Its Application to A Sealed Condensate Water Recovery System[J]. Power Engineering, 2005, 25(1): 121-124,130
Authors:ZHAO Yan-hai  LUO Yong-hao  LU Fang  YAN Yu-lin
Abstract:A thermo-economic analysis method is systematically being presented with Exergy-Cost-Difference (ECD) and exergo-economic factor as the criterion for evaluating the system's thermo-economic efficiency. A Sealed Condensate Water Recovery System (SCWR) is taken as an analysis example and the ECD and the exergo-economic factors of all its sub-systems calculated. Components, inefficient in energy utilization and relevant main causes, are pointed out as well. The functional relationship between the system's total operating cost and its annual operation time is obtained simultaneously.Figs 4, tables 2 and refs 7.
Keywords:power and mechanical engineering  exergy cost differential  exergo-economic factor  thermoeconomic analysis  condensate water recovery system
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