Can anyone tell me how to define inlet flow angle for a centrifugal turbine? -- CFD Online Discussion Forums

March 8, 2015, 08:47	Can anyone tell me how to define inlet flow angle for a centrifugal turbine?	#1
hntter New Member Zhengyu Qu Join Date: Jul 2014 Location: Sheffield Posts: 4 Rep Power: 12	Hi everyone..Recently I am studying to use turbogrid and CFX to simulate the internal flow in a centrifugal turbine. I have defined it as rotational and periodic and choose the total pressure as the inlet condition. Here my question is do I need to define the flow angle for the inlet or just keep it as normal to the boundary? If the flow angle is necessary, how to define its direction? In cartesian or cylindrical components? and if it is in cylindrical coordinate, how to set the vector for the flow with an initial angle? Thanks!

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