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Radial Pressure Inlet

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Old   May 13, 2009, 01:58
Default Radial Pressure Inlet
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Hello everyone,
I am sivakumar, i am new to openFoam.
Right now i am trying to simulate vacuum cleaner nozzle.
the task is

inlet boundary condition of this sphere pressure boundary with adirection of inflow (radial on sphere´s surface)

Quarter-Sphereis is the air INLET: with a pressure boundarycondition combined with a only radial inflow direction. Air densityfor 25°C
Floor,Nozzle as a wall
Symmetryplane with symmetry b.c.
AirOutlet with fixed massflow 10 liters / sec. ( @ 25°C )

My questions are here,
1) how can we set the inlet B.C as radial pressure?
2) how can we set the massflow in the outlet?
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