Hi all,
I am modelling coal combustion using the PDF mixture fraction approach however as my job solves I have the following message appear at most iterations...
Minimum PDF table temperature in 1023 cells on zone 10
...the number of cells varies however it never seems to reduce down to zero. I have tried changing the number of enthalpy points and mean mixture fraction points when creating the PDF table however at present this does not seem to make any difference. Also the air entering my kiln is at 337K and ~1000K while I have set the minimum temperature as 298K
Ahmad Jabbar
I also had the same problem with ch4 combustion. it was resolved after introducing secondary air stream.
note: for secondary air stream RFL value should be = 1.0
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