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Symmetry planes with radiation in participating media

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I have an optically thin glass melt that has a number of symmetry planes to it. Using only heat transfer by conduction a thermally insulated layer gives the apparently correct temperature profile (for the wrong physics). If I then set the symmetry plane surface to opaque with an emissivity of 0 and turn radiation in participating media back on I get thermal gradients that make the model look like I'm exhausting a lot of heat to the symmetry planes. How should I set these boundaries?

0 Replies Last Post 14 oct. 2013, 13:13 UTC−4
COMSOL Moderator

Hello Keith Baldree

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