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Home Forums ANSYS Fluent Beginners to Advanced level Low Mass flow rate and Reverse flow accur

  • Sandeep

    February 28, 2024 at 3:15 pm

    Hi check the scale of your mesh also check if you are water as fluid or air. For avoiding flow reversal you can extend the outlet.



  • Mohammed Sadique

    February 29, 2024 at 4:04 pm

    Hi sir,

    I check my mesh and scale of the mesh also everything looks fine, I’m using water as a working fluid

    After all I got very small mass flow rate value.

    • Rahul

      March 4, 2024 at 7:29 am

      Hi Mohammed Sadique,

      Please share screenshots of some of the results like the outlet velocity, velocity contour, the size of the domain and size shown in the scale mesh window and the convergence plot. You have only shared the mass flow rate at the outlet after solution initialization, which will not be the case after solution computation is complete.

      Best regards
      Flowthermolab support

  • Mohammed Sadique

    March 6, 2024 at 1:54 pm

    I got outlet velocity is 4.2 m/s and the outlet pressure is 387.25 pa

    And mass flow rate is 3.760e-06 kg/s, over the boundary condition of inlet pressure 1.5 bar, outlet pressure 1 bar and axisymmetric problem.

    Please go through the image which I attach.

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