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Forum: Main CFD Forum

February 1, 2013, 17:41

Replies: 6

Negative mass Fraction on cold boundary

Views: 2,225

Posted By michujo

Hi, I misunderstood your question. As for...

Hi, I misunderstood your question.

As for the cold boundary difficulty I quote C.L. Law's book "Combustion Physics", page 249.:

"The cold boundary difficulty can be removed by simply freezing...

Forum: Main CFD Forum

January 31, 2013, 06:55

Replies: 6

Negative mass Fraction on cold boundary

Views: 2,225

Posted By michujo

Hi, this is usually due to the numerical...

Hi, this is usually due to the numerical dispersion associated to your numerical scheme. This kind of schemes lead to undershoots and overshoots. If you are mixing, say, pure fuel with air then the...

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