September 10, 2018 at 10:55 pmkrany3Subscriber
I'm simulating methane-air premixed combustion using Flamelet Generated Manifold model in partially premixed combustion. I've only one inlet, where the premixed fuel and oxidizer enter. What should I input for the fuel composition and oxidizer composition on the boundary ?
September 11, 2018 at 10:22 amRobForum Moderator
September 11, 2018 at 11:25 amseeta guntiAnsys Employee
When you have one inlet with premixed fuel and oxidizer enter, you can not use partially premixed combustion model. Either you need to use premixed combustion or finite rate eddy dissipation model. rwoolhou is shared the right thread for premixed combustion with LFR /EDM. Please go thorugh the link and let us know if you have further questions.
September 11, 2018 at 1:46 pmkrany3Subscriber
I've gone through a few papers where they've used partially premixed model to simulate premixed combustion.
September 27, 2018 at 10:10 amseeta guntiAnsys Employee
If there is single inlet, you have mixture of fuel and air is coming from the inlet, the how do you say that system as partially premixed system. If you have two inlets, one of the inlet could be mixture of your fuel and air and second inlet could be pure oxidizer or fuel. If you are not having two inlets, we can not model that system as partially premixed systems.
July 1, 2019 at 5:37 pmFaina27SubscriberBut how can we do in this case, there is no mixture (air-methane) in premixed combustion and where can we inject the equivalence ratio?
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