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Question about fluid-solid conduction heat transfer contact resistance

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Old   May 6, 2013, 19:12
Question Question about fluid-solid conduction heat transfer contact resistance
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Meimei Wang
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May I ask is there also a conduction contact resistance for flow-solid conduction heat transfer like solid-solid conduction heat transfer? Or since there is no gas between fluid-solid, the contact resistance is 0?
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Old   May 7, 2013, 10:39
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It depends on how clean the surface is. Also, if there is a thin layer on the solid surface (oxidization, paint, chrome coating, ...) that cannot be modeled explicitly for cheap, then you might want to use a contact resistance.
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