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how to define an annulus heat source?
Posted 11 giu 2017, 08:41 GMT-4 Heat Transfer & Phase Change Version 5.2a 0 Replies
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I am running heat-transfer model with COMSOL. my heat source is a electron beam which is uniformly bombarding an annulus region. I could think of two possible ways to define the corresponding heat-flux source:
1st) using the mathematical way of " annulus" if there is one;
or 2nd) set a small rectangle whose center is located on a circle.
but I don't what is the right equation/function to express these 2 ways, can anyone shine some light?
regards,
tao
Hello Tao Zheng
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