IAPWS {iapws}

Constants built into iapws

Description

IAPWS and IAPWS95 contain constants relative to ordinary water substance. HEAVY17 is the same but for heavy water.

Usage

IAPWS
IAPWS95
HEAVY17

Format

IAPWS, IAPWS95 and HEAVY17 are numeric verctors with with the following named elements:

"R"

molar gas constant in J/K/mol.

"M"

molar mass in g/mol.

"Pc"

critical pressure in MPa.

"Tc"

critical temperature in K.

"RHOc"

critical density in kg/m^3.

"Pt"

triple-point pressure in MPa.

"Tt"

triple-point temperature in K.

Examples

# Convert critical density of water in mol/L
IAPWS["RHOc"] / IAPWS["M"]