Blocked Flow - Steam Relief - 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 upstream relieving pressure:

    *Pa [psi-a]

  2. Calculate correction factor for Napier equation:

  3. Calculate superheat steam correction factor:

  4. Effective coefficient of discharge: .

  5. Estimate required effective discharge area:

    *W [1b/h]

  6. For rupture disk application, calculate required effective discharge area: