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-   -   centrifugal compressor-boundary condition? (https://www.cfd-online.com/Forums/fluent/38254-centrifugal-compressor-boundary-condition.html)

gisu park October 16, 2005 05:35

centrifugal compressor-boundary condition?
 
i am currently analysing a centrifugal compressor. Now the problem i am having with is how to set inlet and outlet boundary condition...cause impeller is rotating with really high RPM=100000. ItÅ› compressible flow. In fluent, only pressure inlet and outlet is available for compressible flow. (not vel_in and outflow)..Currently, i am using atmospeheric as pressure inlet, but i am stuck in setting outlet pressure. Does anayone know how to set the boundary condition & technique on how to achieve right technique of analysing compressor in this case?


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