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-   -   Boundary conditions for rotating fan (http://www.cfd-online.com/Forums/numeca/51072-boundary-conditions-rotating-fan.html)

rohit July 21, 2008 02:34

Boundary conditions for rotating fan
 
I want to know, which type of boundary conditions should be given to rotating machines case? (turbomachine). I want to simulate a cooling fan, and I want to predict performance curve then which type of boundary conditions should I chose?

recoba July 21, 2008 12:21

Re: Boundary conditions for rotating fan
 
i don't know

Lily August 8, 2008 03:47

Re: Boundary conditions for rotating fan
 
Dear rohit What kine of cooling fan you want to simulate?

In our laboratory, we use FINE/TURBO to simulate the performance of CPU fans.

You can set the boundary conditions Inlet: mass flow Outlet: static perssure

I hope this can solve your problem

Best regards,

Lily

Zhigang Liu September 24, 2008 07:18

Re: Boundary conditions for rotating fan
 
I think you should define the boundary conditions like this: Inlet:Total temperature and total pressure Outlet:Massflow and static pressure(reference) Periodic Solid:rotation speed rot

Further more,i think The injector shuold also be defined



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