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centrifugal compressor-boundary condition?

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Old   October 16, 2005, 04:35
Default centrifugal compressor-boundary condition?
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gisu park
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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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