How to define the scroll compressor's inlet and oulet boundary conditions?
 

hi,dear friends. Recently, i am doing numerical study in Scroll Compressor. However, with the inlet and outlet pressure (average value)boundary conditions, overall flow reversed! I do not know how to set the boudary conditions. Who can help me? Thanks.

who is doing the similar work? help me.

anyone？I don't know how deal with it.