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Recent content by calzone

  1. calzone

    Critical Pressure Drop Across Valve for Compressible Flow

    I'm working on a valve sizing problem and have encountered some valve equations and measurements that I do not understand. In Flow Equations for Sizing Control Valves ISA-75.01.01-2007 (pdf), equation 14b (Page 17) provides the flow coefficient for turbulent, choked flow to be: C =...

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