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BC for a compressible flow in a diffuser

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Old   February 6, 2009, 14:25
Default BC for a compressible flow in a diffuser
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i hav chosen the mass flow inlet as the BC for the inlet and i wanted to get the value of pressure and other properties at the outlet. I hav the value of mass flow rate, total pressure, temperature for the inlet. so wat BC should i use for the outlet as i do not hav any data for the outlet.

thank you
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