Fluids

Fluids

特定の物質のみを通す境界条件の設定について How to set up boundary conditions that allows to pass specific materials

    • Masayoshi Hirasawa
      Subscriber
      こんにちは。

      私たちは最終的に吸収ヒートポンプの吸収器における不凝縮ガス(H2)の挙動をシミュレーションで見たいと考えています。それに際して、H2ガスと水蒸気が存在する容器において、容器内のある壁面において水蒸気のみを透過させる方法を検討しています。このような境界条件を設定することは可能でしょうか?

      Hello. We want to see the behavior of non-absorbable gas(H2) in an absorber of absorption heat pomp. For a preparation, in a container which contains H2 and H2O gas, we are seeking the method to set up a wall (boundary conditions) that allows to pass only the water-vapor gas. Is it possible at all?
    • DrAmine
      Ansys Employee

      Select the boundary types as pressure outlet, create a thin cell zone near the boundaries. Possibly consisting of one cell thickness. Setup this cell zone as porous zone and accomdate the pressure loss terms to mimic the semi-permable wall.


       


      If you can model everything with some additional UDS's then you will be able to set flux directly of that UDS at the walls. 

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