Warning

This documentation is for an old version of Cantera. You can find docs for newer versions here.

Physical Constants

These values are the same as those in the Cantera C++ header file ct_defs.h.

cantera.avogadro

Avogadro’s Number, kmol^-1

cantera.gas_constant

The ideal gas constant, J kmol^-1 K^-1

cantera.one_atm

One atmosphere, Pa

cantera.boltzmann

Boltzmann constant, m² kg s^-2 K^-1

cantera.planck

Planck constant, J s

cantera.stefan_boltzmann

The Stefan-Boltzmann constant, W m^-2 K^-4

cantera.electron_charge

The charge on an electron, C

cantera.electron_mass

The mass of an electron, kg

cantera.faraday

Faraday constant, C kmol^-1

cantera.light_speed

Speed of Light, m s^-1

cantera.permeability_0

Permeability of free space, m kg s^-2 A^-2

cantera.epsilon_0

Permittivity of free space, s⁴ A² m^-3 kg^-1