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Topics relate to Fluent, CFX, Turbogrid and more

Calculating Pollutants (NOx) from combustion in Fluent

    • Akash564
      Subscriber

      Hello,

      Why does Fluent solve for all the equations (Flow, Species, Energy) even after deselecting them, while calculating the pollutant NOx? Isn't it suppose to calculate just the NOx emissions?

      Thanks

    • Rob
      Forum Moderator

      Please can you post screen shots showing the residual output and equations (in solver settings) to check what you're doing?

    • Usman
      Bbp_participant

      Dear team,

      I hope this message finds you well. I created a 1/7 diesel engine sector mesh on Spaceclaim and imported it to the FORTE. However, while running simulations, it goves following error:

      Can anyone please let me know how can I figure it out? 

    • Muhammad Akhtar
      Subscriber

      Dear,

      Can you please let me know how IVC mixture in tutorial 2 (Dual fuel combustion modelling using a 60% sector mesh) of Forte was calculated? I followed the reference paper and used the given values in IVC calculator:

       

      mass of gasoline = 104.96mg

      mass of diesel = 23.04mg

      Phi = 0.77

      EGR = 0.455

      However, I did not get the same values which are provided in dual fuel tutorial. Can you please let me know how we can use the IVC calculator to find the mass fractions of species in a homogenous mixture of gases at IVC when gaseous fuel is premixed with the air and liquid fuel is injected directly into the cylinder?

       

      Many thanks!

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