Fluids

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Topics related to Fluent, CFX, Turbogrid and more.

SST k-w turbulence model

    • horde
      Subscriber

      Hello,

      when I use SST k-w turbulence model, the results near the wall are very close to the results of the articles.

      But by moving away from the wall, the results are completely wrong. (Axial velocity should be positive but remain negative.)

      when I use the k-e realizable turbulence model, the positive and negative regions are correctly identified, but the values are far from the experimental results, which is consistent with previous simulations of the articles.

      Is there a special technique for using SST k-w turbulence model in combustion (turbulent and swirl flow)?

      According to the articles, my results with SST k-w turbulence model should be much better than k-e realizable turbulence model.

    • Keyur Kanade
      Ansys Employee
    • horde
      Subscriber
      Hi Keyur, can you see this screenshot, some of the coefficients of sst k-w in fluent is different from my reference and OpenFoam, Could my problem be because of this?


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