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物质扩散系数问题

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发表于 2007-3-29 00:40:00 | 显示全部楼层 |阅读模式

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Hi Guys,
I am modeling fuel cell in which there are several porous parts with different porosities and permeabilities. When oxygen, hydrogen and water move in these parts, they have different effective diffusivities. I tried to use UDF to describe them, but I have no a clear idea. Who can give me a hand? I will appreciate it.
By the way, are there guys who are modeling fuel cells?
Thank you very much!
Braket
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