Thermodynamics

The Second Law of Thermodynamics

From Prof. Frank L. Lambert, how the second law affects our world of energy and matter, a tutorial in questions & answers form for both beginners and pros.

http://www.secondlaw.com/

Steam Properties

MS Windows application that calculates properties of steam/water within a wide range of pressure and temperature. Shareware.

http://www.taftan.com/steam.shtml

Air and Exhaust Gas Properties

Calculation of enthalpy, entropy, heat capacity, and density for given temperature and pressure, shareware for MS Windows, 380 kB to download.

http://www.taftan.com/air.shtml

Thermodynamic Properties Page

From Quest Consultants, thermodynamic property calculations using the Peng-Robinson Equation of State. Max. 10 components. Input via html forms.

http://www.questconsult.com/~tam/thermot.html

On-Line Gas Density Calculation

Calculation of gas density and specific volume for a given compressibility factor.

http://www.freecalc.com/idenin.htm

Thermophysical Properties of Fluid Systems

Accurate thermophysical properties for 16 fluids: density, specific volume, Cp, Cv, enthalpy, internal energy, entropy, sound speed. From the NIST Standard Reference Database Number 69 - July 2001 Release.

http://webbook.nist.gov/chemistry/fluid/