49 lines
1 KiB
Python
Executable file
49 lines
1 KiB
Python
Executable file
"""
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Physical Constants
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These values are the same as those in the C++ header file ct_defs.h in
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the Cantera kernel.
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"""
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import math
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#: One atmosphere in Pascals
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OneAtm = 101325.0
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#: The ideal gas constant in J/kmo-K
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GasConstant = 8314.4621
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#: Avogadro's Number, /kmol
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Avogadro = 6.02214129e26
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#: The ideal gas constant in cal/mol-K
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GasConst_cal_mol_K = GasConstant / 4184.0
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#: Boltzmann-s constant
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Boltzmann = GasConstant / Avogadro
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#: The Stefan-Boltzmann constant, W/m^2K^4
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StefanBoltz = 5.670373e-8
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#: The charge on an electron (C)
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ElectronCharge = 1.602176565e-19
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#: The mass of an electron (kg)
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ElectronMass = 9.10938291e-31
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Pi = math.pi
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#: Faraday's constant, C/kmol
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Faraday = ElectronCharge * Avogadro
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#: Planck's constant (J/s)
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Planck = 6.62607009e-34
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#: Speed of Light (m/s).
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lightSpeed = 299792458.0
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#: Permeability of free space :math:`\mu_0` in N/A^2.
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permeability_0 = 4.0e-7*Pi ## N/A^2
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#: Permittivity of free space
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epsilon_0 = 1.0 / (lightSpeed*lightSpeed*permeability_0) ## Farads/m = C^2/N/m^2
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