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How to generate the cylindric velocity components of a simple annular diffuser

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Old   May 20, 2011, 06:56
Default How to generate the cylindric velocity components of a simple annular diffuser
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Jiacheng Fan
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this problem concerns a air flow motion from impeller to diffuser ring then into the volute in a centrifugal compressor. Now i'm only interested on the flow angle on the annular diffuser outlet face, so that i just extracted the domain diffuser ring from the entirety.

i know its the direct way to use turbo application with defining rotation axis. But how could i fulfill the request on hub and shroud?? its simply a annular diffuser and both upper and lower walls are stationary.

May anyone help me with that? or just any clues about another method. Will be thankful
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