chemical species mass fraction -- CFD Online Discussion Forums

February 27, 2012, 15:57	chemical species mass fraction	#1
Green_Horn New Member Mliih Green Join Date: Feb 2012 Posts: 1 Rep Power: 0	I'm not a star-cd user but I have quick technical question that I hope you can answer if you can spare a couple of minutes: I have looked at three commercial CFD codes for chemical species transport equations; they all solve for (n-1) species mass fractions, where n is the total number of chemical species. One species mass fraction is not solved for but is deduced from the fact that sum of all species mass fractions must equal one. I was just wondering if star-cd does the same or does it solve for all species mass fractions? Many thanks!

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