[lem]

Hi all,

I performed a combustion simulation of gas fuel, composing of ch4, co, co2, h2, h2o, n2, and nh3 (in mole fraction).

And then, I will model NOx formations.

To this aim, I activate all NOx pathways to calculate NOx formations, but I am not sure to make it right for such things as:

(1) in Fuel streams/Fuel species panel:
Fluent allows to select only 5 species, but the fuel has 7 species. How do I deal with this regard?

(2) For fuel-NOx model, I selected nh3 as N intermediate:
While in Fuel N mass fraction panel, I estimated using a formula like (NH3 mole fraction*molar mass of N)/total molar mass of the fuel mixture, is that right?

And in conversion fraction panel, how do I know that conversion fraction?

Thank you very much!
Lem