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Ignition problem

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Old   January 29, 2002, 06:39
Default Ignition problem
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Julie Polyakh
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Hi!

I'm trying to simulate the counterflow combustion. The flow is laminar incompressible (max velocity = 1.2 m/s); CHKI reaction scheme is used; the fuel is Heptane (gas).

The fuel and oxidizer contact zone and attached area is chosen as ignition region; Fuel fraction = 0.1; ignition iteration number is 50; ignition temperature = 1700 K.

Applying the scheme I obtain the temperature rise about 200 K at the region where the fuel concentration is zero (?!!!). That's it.

Does someone know where my mistake is?

Thanks in advance,

Julie
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