Numerical Modeling and Analysis of Ejector in the Proton Exchange Membrane Fuel Cell System

被引：0
|
作者：
Zhu, Yinhai [1 ]
Li, Yanzhong [1 ]
Cai, Wenjian [2 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Energy & Power Engn, Xian 710049, Peoples R China
[2] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore
来源：
ICIEA: 2009 4TH IEEE CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS, VOLS 1-6 | 2009年
关键词：
Ejector; Modeling; Fuel cell; PEM; PERFORMANCE EVALUATION; HYBRID SYSTEM; RECIRCULATION; SIMULATION; BEHAVIOR; DESIGN;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Computational Fluid Dynamics (CFD) technique is employed to study the performance of ejector in the fuel delivery line of polymer electrolyte membrane (PEM) fuel cell system. Four different ejector geometries are established and tested under 34 different working conditions. It is found that the humidity at the ejector exit increases with the pressure ratio up at first then decreases with it. The humidity always decreases with increasing the diameter ratio alpha(D). Results show that there is an inverse relationship between the humidity and the entrainment ratio of the ejector.
引用
收藏
页码：2850 / +
页数：2
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