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Formula for calculating Thermal Contact Conductance (TCC)

Formula for calculating Thermal Contact Conductance (TCC)

Formula for calculating Thermal Contact Conductance (TCC)

(OP)
I am looking to calculate the Thermal Contact Conductance (TCC) between two carbon steel plates.  I know the surface roughness, contact pressure, etc.  Just looking for the equation, or any experimental data from which I can determine a value.

Surface roughness ~1000 micro inches
Contact pressure ~85 psi
Temperature range 100-300 *F

Also, if there is any information on the effect of painted surfaces on TCC that would be useful information.

Thanks!
 

RE: Formula for calculating Thermal Contact Conductance (TCC)

In the contact zone,provided it is clean and smooth, I don't beleive that there would be a significant temperature change, so I would treat the two plates as one.

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