how to define natural convection -- CFD Online Discussion Forums

July 24, 2005, 16:28	how to define natural convection	#1
Ejaz Ahmed Guest Posts: n/a	Hello How should i define the natural convection boundary condition on the outer side of wall. Flow is taking place in the pipe, axis-symmetric case is taken. When I define this boundary condition by selecting the convective boudary condition. Results of fluent say that both on inner and outer side of wall the film coefficient is same(5w/sq-m k). What i am doing wrong. thanx in advance. Ejaz Ahmed

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