chombo-discharge
CD_Units.H
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1 /* chombo-discharge
2  * Copyright © 2021 SINTEF Energy Research.
3  * Please refer to Copyright.txt and LICENSE in the chombo-discharge root directory.
4  */
5 
12 #ifndef CD_Units_H
13 #define CD_Units_H
14 
15 // Chombo includes
16 #include <REAL.H>
17 
18 // Our includes
19 #include <CD_NamespaceHeader.H>
20 
24 namespace Units {
25 
29  constexpr Real eps0 = 8.854187817E-12;
30 
34  constexpr Real Qe = 1.6021766208E-19;
35 
39  constexpr Real c = 299792458;
40 
44  constexpr Real kb = 1.38084852E-23;
45 
49  constexpr Real Td = 1.E-21;
50 
54  constexpr Real eV = 1.6021766208E-19;
55 
59  constexpr Real Na = 6.022140857E23;
60 
64  constexpr Real R = 8.3144598;
65 
69  constexpr Real atm2pascal = 101325;
70 
74  constexpr Real pi = 3.14159265359;
75 
79  constexpr Real me = 9.109383E-31;
80 } // namespace Units
81 
82 #include <CD_NamespaceFooter.H>
83 
84 #endif
Various SI units.
Definition: CD_Units.H:24
constexpr Real kb
Boltzmann constant.
Definition: CD_Units.H:44
constexpr Real pi
pi
Definition: CD_Units.H:74
constexpr Real atm2pascal
Conversion from atm to pascal.
Definition: CD_Units.H:69
constexpr Real eps0
Permittivity of free space.
Definition: CD_Units.H:29
constexpr Real me
Electron mass.
Definition: CD_Units.H:79
constexpr Real R
Universal gas constant.
Definition: CD_Units.H:64
constexpr Real Td
Towsend unit.
Definition: CD_Units.H:49
constexpr Real Qe
Elementary charge.
Definition: CD_Units.H:34
constexpr Real Na
Avogadro number.
Definition: CD_Units.H:59
constexpr Real eV
Electron volt.
Definition: CD_Units.H:54
constexpr Real c
Speed of light.
Definition: CD_Units.H:39