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  1. imran95109

    orifice plate design

    Hiya can any tell me how to size the Orifice plate. I fond on formula To calculate the correct restriction size to use in a choked flow system try the following equation: d = SQRT(Q/(.01749(P1/29.7)SQRT((29/MWx)SQRT(528/T))) Where: d = Orifice diameter / mm Q = Gas flow...
  2. imran95109

    Sonic Velocity Calculation

    Hi Can some explains me the Back Pressure on PSV. Is it the Pressure immediately after the PSV minus the upstream pressure. Is it the Pressure drop in the downstream pipeline. What is the corelation of Back Pressure with Static Pressure. Thanks
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