Contents - Index
n-HEPTANE provides high accuracy thermodynamic properties for normal heptane (Molar mass =100.2 g/mole) using the Fundamental Equation of State, as described by:
Span, R. and Wagner, W.
"Equations of State for Technical Applications: II Results for Non-Polar Fluids"
Int. J. of Thermophysics, Vol. 24, No. 1, Jan. 2003
The specific heat of n-heptane in the ideal gas state is determined from
Jaeschke and Schley
Ideal-Gas Thermodynamic Properties for Natural-Gas Applications
International Journal of Thermophysics, Vol. 16, No. 6, 1995, pp. 1381-1392
h = 0 kJ/kg, s = 0 kJ/kg-K at 298.15 K, 101.325 kPa. The reference state can be changed using the $Reference directive.
Range of applicability for equation of state:
216.37 K < T < 750 K
0 < P <100 MPa
Thermal conductivity and viscosity correlations were fit to tabular data provided in:
"Properties of Inorganic and Organic Fluids"
Edited by C.Y. Ho
Authored by: P.E. Liley, T. Makita, and Y. Tanaka.
CINDAS Data Series of Material Properties, Vol V-1
Hemisphere Publishing Corporation
Range of applicability for transport function correlations:
Gas-phase viscosity: 250 K to 550K
Liquid-phase viscosity: 216 K to 500 K
Gas-phase thermal conductivity: 300 K to 650 K
Liquid-phase thermal conductivity: 200 K to 525 K
Surface tension data are provided through a correlation developed by:
"A Generalized Equation for Surface Tension from the Triple Point to the Critical Point"
International Journal of Thermophysics, Vol. 9, No. 4, 1988
Fluid Property Information