Steam IF97 performs calculations of Thermodynamic and Transport properties of steam based on the latest IAPWS-IF97 Formulation and IAPWS releases.
Given a combination of two thermodynamic properties, it calculates 17 Thermodynamic and Transport properties of steam.
The numerical results obtained are suitable for engineering, scientific or industrial use.
Thermodynamic variables in the SI (metric) system of units can be entered and/or the calculation results can be displayed in the following units:
Thermodynamic variables in the I-P (English) system of units can be entered and/or the calculation results can be displayed in the following units:
For the calculation of Saturation Properties, it calculates all the properties shown above for results in region 4 of the IAPWS-IF97 Formulation, and the same properties for the Saturated Liquid State and Saturated Vapor States.
Property |
Valid range |
Units |
---|---|---|
Temperature |
0 ≤ T ≤ 2000 |
°C |
Pressure |
610 ≤ P ≤ 100.0E6 |
Pa |
Specific Enthalpy |
-41.5878 ≤ h ≤ 2810.0E3 |
J/kg |
Specific Internal Energy |
-282.7252 ≤ u ≤ 6327.862E3 |
J/kg |
Specific Entropy |
-8.5823 ≤ s ≤ 13905.8727 |
J/(kg·K) |
Specific Volume |
1.00007E-4 ≤ v ≤ 1719.8658 |
m³/kg |
Vapor Fraction |
0 ≤ x ≤ 1.0 |
kg/kg |
Property |
Valid range |
Units |
---|---|---|
Temperature |
32.0 ≤ T ≤ 3632.0 |
°F |
Pressure |
0.088473 ≤ P ≤ 1450.4 |
psi |
Specific Enthalpy |
-0.0178795 ≤ h ≤ 3171.5306 |
Btu/lbm |
Specific Internal Energy |
-0.12155 ≤ u ≤ 2720.491 |
Btu/lbm |
Specific Entropy |
-0.0020498 ≤ h ≤ 3.32136 |
Btu/(lbm·°R) |
Specific Volume |
1.601958E-2 ≤ v ≤ 27549.6 |
ft³/lbm |
Vapor Fraction |
0 ≤ x ≤ 1.0 |
lb/lb |
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