chombo-discharge
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CD_Units.H
Go to the documentation of this file.
1/*
2 * SPDX-FileCopyrightText: 2021-2026 SINTEF Energy Research
3 *
4 * SPDX-License-Identifier: GPL-3.0-or-later
5 */
6
13#ifndef CD_UNITS_H
14#define CD_UNITS_H
15
16// Chombo includes
17#include <REAL.H>
18
19// Our includes
20#include <CD_NamespaceHeader.H>
21
25namespace Units {
26
30constexpr Real eps0 = 8.854187817E-12;
31
35constexpr Real Qe = 1.6021766208E-19;
36
40constexpr Real c = 299792458;
41
45constexpr Real kb = 1.38084852E-23;
46
50constexpr Real Td = 1.E-21;
51
55constexpr Real eV = 1.6021766208E-19;
56
60constexpr Real Na = 6.022140857E23;
61
65constexpr Real R = 8.3144598;
66
70constexpr Real atm2pascal = 101325;
71
75constexpr Real pi = 3.14159265359;
76
80constexpr Real me = 9.109383E-31;
81} // namespace Units
82
83#include <CD_NamespaceFooter.H>
84
85#endif
Various SI units.
Definition CD_Units.H:25
constexpr Real kb
Boltzmann constant.
Definition CD_Units.H:45
constexpr Real pi
pi
Definition CD_Units.H:75
constexpr Real atm2pascal
Conversion from atm to pascal.
Definition CD_Units.H:70
constexpr Real eps0
Permittivity of free space.
Definition CD_Units.H:30
constexpr Real me
Electron mass.
Definition CD_Units.H:80
constexpr Real R
Universal gas constant.
Definition CD_Units.H:65
constexpr Real Td
Towsend unit.
Definition CD_Units.H:50
constexpr Real Qe
Elementary charge.
Definition CD_Units.H:35
constexpr Real Na
Avogadro number.
Definition CD_Units.H:60
constexpr Real eV
Electron volt.
Definition CD_Units.H:55
constexpr Real c
Speed of light.
Definition CD_Units.H:40