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defined order of react ???

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Old   January 15, 2002, 01:34
Default defined order of react ???
hsin ping chang
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Today , i would like to simulate two mixtures that flow through the different channel respectively . First mixture(include hydrogen ,water-vapor)flow in top channel. second mixture (include oxygen , water-vapor , nitrogen)flow in below channel . but two channel contact together . the surface area is wall between top channel and below channel . i want to ask how to defined the order of react of species(total four species )inside in Fluent 5.5 solver. Defines/Materials/Mixtures species panel
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Old   January 15, 2002, 02:27
Default Re: defined order of react ???
Jin-Wook LEE
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You should define at least 5 species.

H2O, N2, O2, H2, CO2

Maybe you should define more specises for intermediate species.

For one step reaction model, you can refer the reaction parameters from the


It's fairly simple one-step reaction model.

And you can also use 'MF(Mixture Fraction)/PDF Model.

For more information, I think that you should study, because it's fairly difficult to fully explain the modeling strtergy of combustion simulation because combustion itself is fairly difficult.

Sincerely, Jinwook

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Old   January 15, 2002, 04:48
Default Re: defined order of react ???
Jin-Wook LEE
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Sorry, you don't need CO2.

Sincerely, Jinwook
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