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PI System Management Tools

StmEng_SsatP

  • Last UpdatedSep 17, 2025
  • 1 minute read

Calculates the saturated vapor specific entropy as a function of pressure—all variables expressed in English units.

Format

StmEng_SsatP(P)

Arguments

  • P

    Pressure of the steam in psia. The valid range is 0.08865 to 3200.1126 psia.

Returns

Computed saturated vapor specific entropy in BTU/lbm/R or Error digital state.

Sample Values

Pressure

Entropy

10.

1.7875

100.

1.6032

1000.

1.3906

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