how to model natural convection in a room - Page 2 -- CFD Online Discussion Forums

July 9, 2008, 04:36	how to model natural convection in a room	#1
sajad pouyan Guest Posts: n/a	hi evry body. i am modeling free convection in a room with dimensions 6X4X3 meters with fluent code 6.3 i want to know how fine should be my mesh to achive true results i am interested in velocity and temperature contours(i will be thankful if u tell me the interval size i should use in gambit). i should mention my medum is air, i use ideal gas model for density, presto model and the second guestin: if the number of cells is very much my mashine will get very slow what solution u suggest?

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