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Radiative heating

Posted 13.12.2009, 22:36 GMT-5 2 Replies

Simon True
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I want to study the heating effect of laser beam on a sample whose absorption coefficient at a specific wavelength is known. How to specify the heat flux (W/m2) BCs in terms incident radiation flux (W/m^2).

Thanks,
-Sim
2 Replies Last Post 14.12.2009, 02:25 GMT-5
Ravinder Banyal
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Posted: 1 decade ago 13.12.2009, 23:27 GMT-5
I don't quite understand your question. You may get some clue from the example,'Heating with a Moving Laser' given in Multiphysics COMSOL model library.

Regards,
Banyal
I don't quite understand your question. You may get some clue from the example,'Heating with a Moving Laser' given in Multiphysics COMSOL model library. Regards, Banyal
Simon True
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Posted: 1 decade ago 14.12.2009, 02:25 GMT-5
That is fine. But is there a way to specify the radiation absorption that eventually goes in heating the sample. I mean someway of coupling the heat source Q with input radiation flux?

-Sim
That is fine. But is there a way to specify the radiation absorption that eventually goes in heating the sample. I mean someway of coupling the heat source Q with input radiation flux? -Sim

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