Specified mass-flow rate in an outlet -- CFD Online Discussion Forums

August 14, 2003, 17:43	Specified mass-flow rate in an outlet	#1
Biga Guest Posts: n/a	Hy there! I'm currently trying to implement a boundary condition into a 3D Finite Volume method. This bc should handle an outlet in which the user know the mass-flow rate. The bc actually modifies the exit static pressure in each iteration in order to reach the prescribed mass-flow rate. I have a doubt, however: What's the equation that relates mass-flow rate and the pressure? Does any one now it? I know some commercial codes do it, but I couldn't have access to the proper formulation. Does anyone have any idea? Thanx a lot in advance. Biga

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