19 namespace PhysicalConstant
48 constexpr
double Water = 0.018016;
59 constexpr
double N2 = 0.028013;
70 constexpr
double O2 = 0.032;
77 constexpr
double Air = 0.02897;
84 constexpr
double H2 = 0.002016;
92 namespace SpecificGasConstant
102 namespace HenryConstant
constexpr double HenryConstantH2
constexpr double N2
kg mol-1
constexpr double Air
kg mol-1
constexpr double H2
kg mol-1
constexpr double O2
kg mol-1
constexpr double Water
kg mol-1
constexpr double WaterVapour
Specific gas constant for water vapour.
constexpr double CelsiusZeroInKelvin
Zero degrees Celsius in Kelvin.
constexpr double IdealGasConstant