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-   -   Need help with BC's for a internal flow problem (http://www.cfd-online.com/Forums/fluent/36025-need-help-bcs-internal-flow-problem.html)

ravi March 15, 2005 01:57

Need help with BC's for a internal flow problem
 
Hi,

I am trying to simulate a internal flow problem using Fluent 6. It is a 2D problem of flow inside a closed cylinder with small openings at both the ends. Fluid is forced through the openings at one end and leaves the opening at the opposite end. Since the holes are small in comparison with the cylinder diameter, the fluid leaving the cylinder through the other end has to be sucked out. This needs to be modelled as suction BC at the outlet. Is there a way to give 'SUCTION' BC using Fluent?. Any help is appreciated.

thanks, ravi.

Jason March 15, 2005 08:48

Re: Need help with BC's for a internal flow proble
 
Use a pressure outlet BC and set the gauge pressure lower than the operating pressure.

Jason

ravi March 16, 2005 01:45

Re: Need help with BC's for a internal flow proble
 
Hi Jason,

Thanks for the suggestion. I will try out and if I have any problem, will let you know.

-ravi.


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