质子交换膜燃料电池带载吹扫仿真Purge Simulation with Load of Proton Exchange Membrane Fuel Cell
肖成乾;高源;章桐;
摘要(Abstract):
为解决车载燃料电池停机后因气道中残留氢气而在一段时间内维持开路电压状态的问题,基于GAMBIT建立了燃料电池三维模型,利用FLUENT对其进行带载吹扫仿真。仿真结果表明,燃料电池的水分布集中在其后半部分,且含水量随吹扫流量和时间的增加而减小;在吹扫流量达到正常进气流量量级的情况下,前30 s的吹扫除水效率最高;第30~80 s的吹扫效率稍微下降,但保证了更好的吹扫效果;在吹扫时间和吹扫流量有一定效果的情况下,吹扫时间对除水效果的影响大于吹扫流量。
关键词(KeyWords): 质子交换膜燃料电池;带载吹扫;水含量
基金项目(Foundation): 国家自然科学基金项目(21506165)
作者(Authors): 肖成乾;高源;章桐;
DOI: 10.19620/j.cnki.1000-3703.20180569
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