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Version: 8.1

system.thermo.if97.specificEntropy

Calculates specific entropy.

Syntax

system.thermo.if97.specificEntropy(p, h) # Pressure and Enthalpy
system.thermo.if97.specificEntropy(p, t) # Pressure and Temperature
system.thermo.if97.specificEntropy(p, x) # Pressure and Vapor Fraction (Quality)
system.thermo.if97.specificEntropy(t, x) # Temperature and Vapor Fraction (Quality)
info

This function must be called with named parameters.

Parameters

TypeParameterDescription
DoublepAbsolute Pressure (Pa)
DoublehSpecific Enthalpy (J/kg)
DoubletTemperature (K)
DoublexVapor Fraction (Quality) (0 to 1)

Returns

Double - Specific Entropy (J/(kg·K))

The measure of the disorder or randomness in a thermodynamic system.

Scope

Gateway, Designer, Client, Perspective Session

Example

Pressure and Temperature

p = 101325
t = 373.15
result = system.thermo.if97.specificEntropy(p=p, t=t)
print result
Result
7354.52819068