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Forum: CFX

February 15, 2017, 16:55

Replies: 5

Nitrogen oxide formation during combustion process in cfx

Views: 1,131

Posted By ghorrocks

The tutorials show you how to do a model in CFX...

The tutorials show you how to do a model in CFX but they do not show you how to do an accurate simulation in CFX. One major issue is the mesh used in the tutorials is coarse so they run quick - but...

Forum: CFX

February 15, 2017, 05:05

Replies: 5

Nitrogen oxide formation during combustion process in cfx

Views: 1,131

Posted By ghorrocks

This could be inaccuracy in your simulation:...

This could be inaccuracy in your simulation: maybe your simulation is not converged sufficiently or run for enough physical time. Also it could be you have excessive dissipation so the NO is smeared...

Forum: CFX

February 14, 2017, 16:37

Replies: 5

Nitrogen oxide formation during combustion process in cfx

Views: 1,131

Posted By ghorrocks

You don't need to change the simulation, you can...

You don't need to change the simulation, you can do this in post processing. In CFD-Post use the function calculator to evaluate an expression, something like massflowAve(<NO mass fraction>)@Outlet -...

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