Internal Emissivity not considered for Walls in Ansys fluent s2s radiation

    • Matthias_KIT

      Hello everyone,

      I am working on a Projekt where I have a surface to surface radiation. If I give one surface an emissivity lower than 1, these factors are not taken into account for Walls and shadow-walls (boundary conditions). Even if I put in 0 as emissivity, there is still a radiation heat flux going on.

    • RK
      Ansys Employee
      Hello Matthias, nWhich version are you using? nPlease try using the TUI command, /define/boundary-conditions. Select the surface and set the value of internal emissivity there. However, the value of internal emissivity might not show up in the GUI. n
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