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[Steady-State Thermal] ViewFactors and Radiosity Heat Transfer between pairs

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Old   September 8, 2018, 11:22
Red face [Steady-State Thermal] ViewFactors and Radiosity Heat Transfer between pairs
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Marlon Saveri
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Dear users,

I am interested in knowing the heat transfered among bodies in a enclosure by radiation.

When I do it using Ansys Workbench Steady-State Thermal, I can get probes showing the heat absorbed by each body. However, I would like to know exactly how much heat is transfered between each pair of bodies, is it possible?

For example, imagine bodies A, B and C. Ansys shows me how much heat is absorbed/sent by each one, but I would like to know how much heat absorbed by C come from A and how much came from B individually.


The reason is that I am building a thermal model in Matlab in which I need to input the ViewFactor between bodies. I know Ansys calculate them and I wish I could get them from the simulation. Is it possible?
However, I think it is not enough in this case, because each body present several surfaces. Therefore, my idea is get the heat transfered between each pair and calculate an "average" view factors this way.
I also though about doing this by simulating each pair individually; however, that's not true, since other bodies shadow the path between them when all bodies are present, whereas simulating only two bodies, I may missed such effect.

Thanks a lot.
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