Premixed Combustion of a triple inlet gas burner

- June 19, 2020 at 3:41 pm
  
  faresaoun
  Subscriber
  
  Hi,
  
  I am currently working on a premixed combustion simulation of a spray burner that has 3 different inlets. the first inlet ejects only O2 gas (turbulent) , the second is a mixture of methane (CH4) with O2 (premixed laminar flame), and the third is N2 gas (laminar).
  
  I am using a 2D axisymmetric Computational domain in Fluent, and for this case I picked the Premixed Combustion Model. The problem is that in the inlet Boundary Condition,I am not free to pick what type of gas is flowing in each inlet. I saw some tutorials, but none fit the case that I am working on.
  
  Should I use another Model for my case? or any idea how I could define my boundary conditions?
  
  I would really appreciate it if anyone could help me . I am still not very familiar with the program, so any additional tutorials would be of great help.
- June 19, 2020 at 7:30 pm
  
  RK
  Ansys Employee
  
  Hello,
  
  You should be able to specify for each inlet in the species tab (species tab in for example, pressure inlet window).

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