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Old   January 4, 2023, 07:20
Default Radiation model
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Hello fellow CFD enthusiasts. I am conducting a project in which I will simulate turbulent flow heat transfer inside a cylinder with radiation boundary conditions in the outer wall. I also have spectral data for the absorptivity/emissivity for specified wavelength bands as inputs for the BC. Which radiation model should I adopt in this case? Is the discrete ordinate model more accurate?
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absorber temperature, absorber tube, absorptivity, emissivity, radiation do model

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