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Laminar premixed flame with the same species speed

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Old   October 16, 2008, 07:30
Default Laminar premixed flame with the same species speed
Gruesome Marc
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Hello to all folks, I have a question for those of you working on the field of combustion, and more specifically flames.

I would like to find laminar premixed flames for which all chemical species (for instance benzene A1, H2, H2O, CO2, CH4 and so on.) propagate themselves at the same speed.

This means that if a H-radical and a CH4-molecule are both present at the point x = 0 at the time t = 0, they will arrive at the same time t at the point x = l.

Provided their existence, such flames could then be simulated like a plug flow reactor, whereby the concentrations only depend on the residence time, which is the same for all species.

My first question: do such flames exist ? My second question: how to know under which conditions this could happen ?

I thank you very much for your answers !
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