Steam Plot performs calculations and generates diagram plots of thermodynamic and transport properties of steam based on the latest IAPWS-IF97 Formulation and IAPWS releases.
Given a combination of two thermodynamic properties out of 14 different possible combinations, it calculates 20 thermodynamic and transport properties of steam and 10 partial derivatives.
Calculates and plots isolines of pressure, temperature, specific enthalpy, specific entropy, specific volume and vapor fraction for 4 different plot diagrams.
The numerical results and plots obtained are suitable for engineering, scientific, industrial or academic 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:
Partial derivatives:
Steam points in the Two-phase Properties tab outputs all the properties shown above for results in region 4 of the IAPWS-IF97 Formulation (excluding partial derivatives), 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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