PhysicalConstants.h

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
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//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
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//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html
 
#pragma once
 
namespace PhysicalConstants
{
// Physical constants
// Avogadro's number [at/mol]
// https://physics.nist.gov/cgi-bin/cuu/Value?na|search_for=Avogadro
const auto avogadro_number = 6.02214076e23;
// Boltzmann constant [J/K]
// https://physics.nist.gov/cgi-bin/cuu/Value?k|search_for=Boltzmann
const auto boltzmann_constant = 1.380649e-23;
// Conversion coefficient from calories to Joules
// https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication1038.pdf
// Table 5.2.12: Energy, work, heat
const Real cal_to_J = 4.184;
// Conversion coefficient from eV to Joules
// https://physics.nist.gov/cgi-bin/cuu/Value?Revj|search_for=joules
const auto eV_to_J = 1.602176634e-19;
// Ideal gas constant [J/(mol-K)]
// https://physics.nist.gov/cgi-bin/cuu/Value?eqr
const auto ideal_gas_constant = 8.31446261815324;
// Stefan-Boltzmann constant [W/(m2-K^4)]
// https://physics.nist.gov/cgi-bin/cuu/Value?sigma|search_for=Stefan-Boltzmann
const auto stefan_boltzmann_constant = 5.670374419e-8;
// Standard acceleration of gravity [m/s^2]
// https://physics.nist.gov/cgi-bin/cuu/Value?gn
const auto acceleration_of_gravity = 9.80665;
} // namespace PhysicalConstants