Methane/gOx combustion

Is it possible to model gas-gas CH4-O2 combustion using MFiX?

I’ve been trying to model the combustion by modeling a coaxial injector in the domain and using the usr_rates.f example to model the reaction, but I am unable to get the gases to react or ‘combust’.

File: CombustionUDF-Test.zip (6.0 KB)