turbomachinary-mass flow rate is not correct in outlet
Hello,
I am simulating a centrifugal compressor, unsteady, density base, Implicit, K-w SST with pressure ratio about 1.8. also I know velocity at inlet, about 35 m/s. Ideal gas, Air. Inlet: Pressure inlet 94000 pa Out let: Pressure out let, 156000 pa I calculated the hydrolic diameters and put the turbulence intensity for both in and out let 5%. I would appreciate if some body can guide me because when the mass flow rates at inlet and outlet become constant, those values are completely different, mass flow rate at inlet according to the velocity and area and density of air, is correct, but Outlet is wrong. |
any answer ?
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