CalcSteam
  Berndt Wischnewski  Richard-Wagner-Str. 49  10585 Berlin 
  Tel.: 030 - 3429075  FAX : 030 34704037  email: webmaster@peacesoftware.de 

Some scientific and engineering data online
german

Calculation of thermodynamic properties of water

Pressure:
Temperature:





Calculation of thermodynamic properties of overheated steam
(upper limit: 799 C, 1000 bar)

Pressure:
Temperature:





Calculation of thermodynamic properties of saturated steam

Pressure:
or
Temperature:




The following thermodynamic properties are calculated:
density water, dynamic viscosity water, kinematic viscosity water, specific inner energy water, specific enthalpy water, specific entropy water, specific isobar heat capacity cp water, specific isochor heat capacity cv water, thermic conductivity water, speed of sound water.
density steam, dynamic viscosity steam, kinematic viscosity steam, specific inner energy steam, specific enthalpy steam, specific entropy steam, specific isobar heat capacity cp steam, specific isochor heat capacity cv steam, adiabatic exponent or isentropic exponent kappa steam, thermic conductivity steam, speed of sound steam.

Thermodynamic constants of water - H2O :

molar mass
18.0152 [ kg / kmol ]
gasconstant R
461.5 [ J / (kg K) ]
isentropic exponent
1.399
critical state variables:
pcrit
 220.64 [ bar ]
Tcrit
 647.096 or 373.946 [ K or C]
densitycrit
 322 [ kg / m3 ]
tripelpoint pressure pTr
 0.00611657 [ bar]
tripelpoint temperature
 273.16 or 0.01 [ K or C]
Boiling point under norm condition : 373.124 or 99.974 [ K bzw. C ]

Released june 2007



Wikipedia -> water
Wikipedia -> steam



Advanced calculations and graphical presentation, even in russion language, by Valery Ochkov

Steamcalculation: if you found an error, please mail to: wischnewski@mpib-berlin.mpg.de. No garanty for correctness. Calculation based on formulas of IAPWS-IF97 by Dr. Bernhard Spang.

CalcSteam - the steam calculation app for your iPhone/iPod touch