EXERGY ANALYSIS A 5kW POLYMER ELECTROLYTE FUEL CELL (PEFC) WITH COGENERATION

被引：0
|
作者：
Ahmadi, A. [1 ]
Ehyaei, M. A. [1 ]
机构：
[1] Iran Univ Sci & Technol, Arak Engn Fac, Dept Mech Engn, Arak, Iran
来源：
PROCEEDINGS OF THE 6TH INTERNATIONAL CONFERENCE ON FUEL CELL SCIENCE, ENGINEERING, AND TECHNOLOGY - 2008 | 2008年
关键词：
Cogeneration; Efficiency; Exergy; Optimization; PEFC; Fuel cell;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In this paper, design and exergy method optimization of a 5kW power output PEFC fuel cell with cogeneration application has been investigated. It is assumed that cooling water is passed through fuel cell cooling channel, warmed up and supplied for space heating application. The performance of the proposed system has been optimized by the second law based exergy analysis. Results show for the maximum system efficiency and minimum entropy generation, fuel cell temperature and voltage should be as high as possible in the range of application. Also, the fuel cell pressure and stoichiometric air fuel ratio should be as low as possible in the range of application. The results of this investigation are valid for full load of condition of 5 KW. So, the results are not applicable for any other power level.
引用
收藏
页码：491 / 497
页数：7
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