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Thermodynamic Properties of Water (Steam Tables)

Critical Pressure: 22.064 MPa

Critical Temperature: 373.95 °C

Ideal Gas Constant of Steam: R = 0.4615 kJ/kg.K

Specific Heat Capacity of Liquid Water: C_{H20} = 4.18 kJ/kg. °C

Steam Property Tables:

Saturation Properties – Temperature Table ( 0.01 °C – 373.95 °C )

Saturation Properties – Pressure Table ( 1 kPa – 22.064 MPa )

Superheated Vapor Properties ( 0.01 MPa – 40 MPa )

Compressed Liquid Water Properties ( 5 MPa – 30 MPa )

Steam Property Diagrams:

Pressure-Enthalpy ( p-h ) Diagram

ph_water

P-h \text{ diagram for water}
\text{Enthalpy}\left[\si\kJ/\si\kg\right]
\text{Entropy}
\left[\si\kJ/\si{kg\ K}\right]
300^{\circ}\text{C}
50\si\MPa
10^\circ\text{C}

Enthalpy-Entropy ( h-s ) Diagram

hs_water

h-s \text{ diagram for water}
\text{Pressure } [\si\MPa]
\text{Enthalpy}\left[\si\kJ/\si\kg\right]
\text{Entropy} \left[\si\kJ/\si{kg\ K}\right]
\text{Quality } [\%]
600^{\circ}\text{C}
20\si\kPa
80\%

Source of data: NIST Chemistry WebBook -accessed January 2008

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Thermodynamics Copyright © by Diana Bairaktarova (Adapted from Engineering Thermodynamics - A Graphical Approach by Israel Urieli and Licensed CC BY NC-SA 3.0) is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.

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