Gas, Steam - Intergraph Smart Instrumentation - 13.1 - Reference - Hexagon PPM

Integraph Smart Instrumentation Sizing Equations

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English (United States)
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Intergraph Smart Instrumentation
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Reference
Smart Instrumentation Version
13.1
  1. Calculate XT:

  2. Calculate effective velocity head coefficients:

  3. Calculate FK:

  4. Calculate X:

  5. Calculate first value of CV:

    *d [in]

  6. Calculate FP:

  7. Calculate XTP:

  8. The condition determins:

    Case A - Critical flow

    1. Eps=0.667.

    2. Calculate new CV:

      Case B - Usual

    3. Calculate new CV:

  9. Calculate the relative change in CV:

  10. Steps 6 to 9 are repeated until the relative change in CV is less than 0.001.

  11. Calculate outlet pipe velocity:

  12. Calculate outlet Max number: