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mixture fraction of coal oxy-combustion (fuel: coal +CO2; oxidizer O2+CO2)

- January 10, 2025 at 4:03 pm
  
  ll00023
  Subscriber
  
  co-axial flow arrangement: Coal + CO2 and aO2+bCO2
  DPM, species transport, 2-step reaction mechanism
  in the postprocessing, I used the local equivalent ratio to indicate the flame location, which coincides with the flame.
  the issue is that it doesn't consider the diluted gas's impact: CO2 could be involved in the reaction.
  I used bilger definition, as shown below. the issue here is I don't know the volatile:CO2 ratio at the location I interested.
  Non-premixed model seems be able to do this job. but I use species transport model, not providing this option.
- February 12, 2025 at 3:25 pm
  
  Ren
  Ansys Employee
  
  I'm not sure what your question is. What do you want to do?

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