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Ignition cells in transient cases

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Old   February 16, 2005, 06:29
Default Ignition cells in transient cases
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A question on combustion...

I am simulating a diffusion flame and I have to use ignition cells at first to start the combustion. The problem is that while I can achieve the ignition of the flame in some steady state cases I tried out, I can't ignite the flame in transient runs, no matter how long I keep the ignition cells in high teperature. Any ideas of what might be happening? Thank you in advance.
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