gas(same density with air) dispersion in the air ? -- CFD Online Discussion Forums

November 5, 2009, 06:42	gas(same density with air) dispersion in the air ?	#1
panda60 Senior Member Jiang Join Date: Oct 2009 Location: Japan Posts: 186 Rep Power: 17	Dear all: I want to simulate one gas (has the same density with air) disperses in the air ,which model should I use ? In this forum, somebody said there are two methods, one is using Combustion model without reaction, another is solve another scalar transport equation. So I think using RAS model and solving another scalar transport equation is better, because I am newer , How could I do this ? If I should write my own solver ? Thank you very much.

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