Fluids

Fluids

Hershcel Bulkley Model in Fluent

    • MohamedKhaled1
      Subscriber

      Howdy;


      Currently i am using Herschel Bulkley model in Fluent. One of the parameters required is the fluid critical shear rate; I do not know how this parameter can be computed. All experimental data reported in the literature that i have using Herschel Bulkley model is reporting n, k and tau and there is no mentioning of fluid critical shear rate value.


       


      Kindly i am asking how can i calculate this value or if there is a certain range i should work within.


       


      Note: I am working on Viscous non-Newtonian flow in a horizontal pipe


       


      Thanks in advance;


      MS

    • DrAmine
      Ansys Employee

      Wiki article stating something else:


       


      https://en.wikipedia.org/wiki/Herschel%E2%80%93Bulkley_fluid

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