Experimental analysis of a dimensionless number in the cathode channels of a polymer electrolyte membrane fuel cell with different head losses

被引：6
|
作者：
Han, S. H. [1 ]
Kim, K. R. [1 ]
Ahn, D. K. [1 ]
Choi, Y. D. [1 ]
机构：
[1] Korea Univ, Dept Mech Engn, Seoul 136173, South Korea
来源：
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE | 2010年 / 224卷 / C1期
关键词：
polymer electrolyte membrane fuel cell; flooding; stoicbiometry; dimensionless number; mass flowrate; current density; WATER TRANSPORT; VISUALIZATION;
D O I：
10.1243/09544062JMES1757
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This Study investigates the effects of stoichiometry, humidity, cell temperature, and pressure on the performance and the flooding of the proton exchange membrane fuel cell. Values of stoichiometry are 1.5, 2.0, and 2.5 at cell temperatures of 50, 55, and 60 degrees C, respectively This Study shows that the dimension less flooding value (FV)is a function of the stoichiometry, humidity, temperature, and pressure. The FV is calculated by using the measured values of temperature, bumidity, pressure, and flowrate of the cathode. The effect of the dimensionless number on the flooding of the cathode in the proton exchange membrane fuel cell is analysed in this Study. The effects of air stoichiometry, cell temperature, and air humidity are also discussed in this article.
引用
收藏
页码：95 / 108
页数：14
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