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surface roughness in HTC

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Old   August 4, 2007, 03:51
Default surface roughness in HTC
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I am modelling the heat transfer between 2 solid domains (conduction mainly). Anybody know how to include the surface roughness at the interface of two domains? And if there is a reaction on the surface of one domain at the interface, can I include the heat adsorbed by reaction in interface boundary? And how to calculate this heat? is it from activation energy?

i am relly appreciate your reply
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