武汉理工大学材料复合新技术国家重点实验室;
以质子交换膜燃料电池流道中的液滴为研究对象,考虑了吹力、重力以及粘滞力的影响,从力平衡的角度出发建立了液滴从扩散层表面脱离的临界风速及半径的关系,得出了不同的重力倾角和工作压力对临界风速的影响。研究表明:在水平流道中,临界风速受温度的影响不大,而随工作压力的增大而减小;增大重力倾角有利于提高电堆的排水能力;小液滴脱离的临界风速受工作压力的影响较大,而处于自发脱离半径区的液滴,工作压力的影响已不再明显。
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基本信息:
DOI：
中图分类号:TM911.4
引用信息:
[1]涂正凯,裴后昌,余意等.PEMFC流道中重力辅助排水的机理研究[J].电池工业,2011,16(02):93-96.
基金信息:
国家“863”重大项目(2008AA11A106);; 中国博士后科学基金(No.20100471165);; 国家自然科学基金(No.208761215090602650876035)