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Some scientific and engineering data online

german

Calculation of thermodynamic properties of water

Calculation of thermodynamic properties of overheated steam

(upper limit: 799 C, 1000 bar)

Calculation of thermodynamic properties of saturated steam

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 - H

_{2}O :

molar mass18.0152 [ kg / kmol ] gasconstant R461.5 [ J / (kg K) ] isentropic exponent1.399 critical state variables: p_{crit}220.64 [ bar ] T_{crit}647.096 or 373.946 [ K or C] density_{crit}322 [ kg / m ^{3}] tripelpoint pressure p_{Tr}0.00611657 [ bar] tripelpoint temperature273.16 or 0.01 [ K or C] Boiling point under norm condition : 373.124 or 99.974 [ K bzw. C ]

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