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Surface to surface radiation between plates
Posted 26/06/2013, 16:09 GMT-04:00 Fluid, Heat Transfer & Phase Change, Computational Fluid Dynamics (CFD) 0 Replies
I have problem regarding surface to surface radiation while modelling a channel with air flow into the channel.
The lower plate of the channel has surface emissivity of 0.02 and the upper plate has surface emissivity of 0.9. The upper plate is heated by a constant heat flux.
So, How can I specify this in COMSOL.
Is it enough to chose surface to surface radiation ? When should i use opacity surface ?
Thank you n advanced
Hello Shikha Ebrahim
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