constants

IOTTY = 6 module-attribute

Standard output unit identifier

NOUT = 11 module-attribute

Output file unit identifier

MFILE = 13 module-attribute

Machine-optimised output file unit

ELECTRON_CHARGE = 1.602176634e-19 module-attribute

Electron / elementary charge [C] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/cuu/Value?e|search_for=electron+charge

ELECTRON_VOLT = ELECTRON_CHARGE module-attribute

Electron volt [J] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/cuu/Value?evj|search_for=electron+volt

KILOELECTRON_VOLT = ELECTRON_VOLT * 1000.0 module-attribute

Kiloelectron volt [kJ] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/cuu/Value?evj|search_for=electron+volt

ATOMIC_MASS_UNIT = 1.66053906892e-27 module-attribute

Unified atomic mass unit [kg] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/cuu/Value?u|search_for=atomic+mass+constant

ELECTRON_MASS = 9.1093837139e-31 module-attribute

Electron mass [kg] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/cuu/Value?me|search_for=ELECTRON+MASS

PROTON_MASS = 1.67262192595e-27 module-attribute

Proton mass [kg] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/cuu/Value?mp|search_for=PROTON+MASS

M_PROTON_AMU = 1.0072764665789 module-attribute

Proton mass [amu] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/cuu/Value?mpu

M_PROTIUM_AMU = 1.00782503223 module-attribute

Protium atomic mass [amu] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/Compositions/stand_alone.pl?ele=1

DEUTERON_MASS = 3.3435837768e-27 module-attribute

Deuteron mass [kg] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/cuu/Value?md|search_for=DEUTERON+MASS

M_DEUTERON_AMU = 2.013553212544 module-attribute

Deuteron mass [amu] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/cuu/Value?mdu

TRITON_MASS = 5.0073567512e-27 module-attribute

Triton mass [kg] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/cuu/Value?mt|search_for=TRITON+MASS

M_TRITON_AMU = 3.01550071597 module-attribute

Triton mass [amu] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/cuu/Value?art

NEUTRON_MASS = 1.67492750056e-27 module-attribute

Neutron mass [kg] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/cuu/Value?mn|search_for=NEUTRON+MASS

ALPHA_MASS = 6.644657345e-27 module-attribute

Alpha particle mass [kg] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/cuu/Value?mal|search_for=alpha+mass

M_ALPHA_AMU = 4.001506179129 module-attribute

Alpha particle mass [amu] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/cuu/Value?malu

M_HELIUM_AMU = 4.002602 module-attribute

Average Helium atom mass [amu] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/Compositions/stand_alone.pl?ele=He

HELION_MASS = 5.0064127862e-27 module-attribute

Helion (3He) mass [kg] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/cuu/Value?mh|search_for=HELION

M_HELION_AMU = 3.014932246932 module-attribute

Helion (3He) mass [amu] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/cuu/Value?arh

M_BERYLLIUM_AMU = 9.0121831 module-attribute

Beryllium atom (4Be) mass [amu] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/Compositions/stand_alone.pl?ele=Be

M_CARBON_AMU = 12.0096 module-attribute

Average Carbon atom mass [amu] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/Compositions/stand_alone.pl?ele=C

M_NITROGEN_AMU = 14.00643 module-attribute

Average Nitrogen atom mass [amu] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/Compositions/stand_alone.pl?ele=N

M_OXYGEN_AMU = 15.99903 module-attribute

Average Oxygen atom mass [amu] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/Compositions/stand_alone.pl?ele=O

M_NEON_AMU = 20.1797 module-attribute

Average Neon atom mass [amu] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/Compositions/stand_alone.pl?ele=Ne

M_SILICON_AMU = 28.084 module-attribute

Average Silicon atom mass [amu] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/Compositions/stand_alone.pl?ele=Si

M_ARGON_AMU = 39.948 module-attribute

Average Argon atom mass [amu] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/Compositions/stand_alone.pl?ele=Ar

M_IRON_AMU = 55.845 module-attribute

Average Iron atom mass [amu] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/Compositions/stand_alone.pl?ele=Fe

M_NICKEL_AMU = 58.6934 module-attribute

Average Nickel atom mass [amu] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/Compositions/stand_alone.pl?ele=Ni

M_KRYPTON_AMU = 83.798 module-attribute

Average Krypton atom mass [amu] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/Compositions/stand_alone.pl?ele=Kr

M_XENON_AMU = 131.293 module-attribute

Average Xenon atom mass [amu] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/Compositions/stand_alone.pl?ele=Xe

M_TUNGSTEN_AMU = 183.84 module-attribute

Average Tungsten atom mass [amu] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/Compositions/stand_alone.pl?ele=W

SPEED_LIGHT = 299792458.0 module-attribute

Speed of light in vacuum © [m/s] Reference: National Institute of Standards and Technology (NIST) https://physics.nist.gov/cgi-bin/cuu/Value?c|search_for=light

PLANCK_CONSTANT = 6.62607015e-34 module-attribute

Planck's constant [J.s]

D_T_ENERGY = (DEUTERON_MASS + TRITON_MASS - (ALPHA_MASS + NEUTRON_MASS)) * SPEED_LIGHT ** 2 module-attribute

Deuterium - Tritium reaction energy [J] Find the mass difference in the reactancts and products of the D-T reaction Multiply by the speed of light squared to get the energy released

D_HELIUM_ENERGY = (DEUTERON_MASS + HELION_MASS - (ALPHA_MASS + PROTON_MASS)) * SPEED_LIGHT ** 2 module-attribute

Deuterium - Helion (3He) reaction energy [J] Find the mass difference in the reactancts and products of the D-3He reaction Multiply by the speed of light squared to get the energy released

DD_HELIUM_ENERGY = (DEUTERON_MASS + DEUTERON_MASS - (HELION_MASS + NEUTRON_MASS)) * SPEED_LIGHT ** 2 module-attribute

Deuterium - Deuterium (3He producing) reaction energy [J] Find the mass difference in the reactancts and products of the D-D reaction Multiply by the speed of light squared to get the energy released

DD_TRITON_ENERGY = (DEUTERON_MASS + DEUTERON_MASS - (TRITON_MASS + PROTON_MASS)) * SPEED_LIGHT ** 2 module-attribute

Deuterium - Deuterium (Triton producing) reaction energy [J] Find the mass difference in the reactancts and products of the D-D reaction Multiply by the speed of light squared to get the energy released

DT_NEUTRON_ENERGY_FRACTION = ALPHA_MASS / (NEUTRON_MASS + ALPHA_MASS) module-attribute

Deuterium - Tritium reaction energy fraction carried by neutron Assuming centre of mass frame as the momenta of the fusion products exceed those of the fusion reagents by many orders of magnitude. Assumed to be non-relativistic. Roughly 79.867% of the energy is carried by the neutron

DT_ALPHA_ENERGY = (1.0 - DT_NEUTRON_ENERGY_FRACTION) * D_T_ENERGY module-attribute

Deuterium - Tritium reaction energy carried by alpha particle neutron [J] Assuming centre of mass frame as the momenta of the fusion products exceed those of the fusion reagents by many orders of magnitude. Assumed to be non-relativistic. Roughly 3.5 MeV of the energy is carried by the alpha particle

DD_NEUTRON_ENERGY_FRACTION = HELION_MASS / (NEUTRON_MASS + HELION_MASS) module-attribute

Deuterium - Deuterium (3He producing) reaction energy fraction carried by neutron Assuming centre of mass frame as the momenta of the fusion products exceed those of the fusion reagents by many orders of magnitude. Assumed to be non-relativistic. Roughly 74.935% of the energy is carried by the neutron

DD_PROTON_ENERGY_FRACTION = TRITON_MASS / (PROTON_MASS + TRITON_MASS) module-attribute

Deuterium - Deuterium (Triton producing) reaction energy fraction carried by proton Assuming centre of mass frame as the momenta of the fusion products exceed those of the fusion reagents by many orders of magnitude. Assumed to be non-relativistic. Roughly 74.960% of the energy is carried by the proton

DHELIUM_PROTON_ENERGY_FRACTION = ALPHA_MASS / (PROTON_MASS + ALPHA_MASS) module-attribute

Deuterium - Helion (3He) reaction energy fraction carried by proton Assuming centre of mass frame as the momenta of the fusion products exceed those of the fusion reagents by many orders of magnitude. Assumed to be non-relativistic. Roughly 79.889% of the energy is carried by the proton

DEN_TUNGSTEN = 19250.0 module-attribute

Density of Tungsten [kg/m3]

TEMP_ROOM = 293.15 module-attribute

Room temperature in Kelvin Assume the room is at 20 degrees Celsius

RMU0 = 1.256637062e-06 module-attribute

permeability of free space [H/m]

UMASS = 1.660538921e-27 module-attribute

unified atomic mass unit [kg]

EPSILON0 = 8.85418781e-12 module-attribute

permittivity of free space [Farad/m]

CPH2O = 4180.0 module-attribute

specific heat capacity of water (J/kg/K)

den_copper = None module-attribute

density of copper (kg/m3)

den_aluminium = None module-attribute

density of aluminium (kg/m3)

DENH2O = 985.0 module-attribute

density of water (kg/m3)

K_COPPER = 330.0 module-attribute

Copper thermal conductivity (W/m/K)

KH2O = 0.651 module-attribute

thermal conductivity of water (W/m/K)

MUH2O = 0.000471 module-attribute

water dynamic viscosity (kg/m/s)

N_DAY_YEAR = 365.2425 module-attribute

Average number of days in a year

ACCELERATION_GRAVITY = 9.81 module-attribute

Acceleration due to gravity [m/s2]

init_constants()

Source code in process/core/constants.py

def init_constants():
    global den_copper, den_aluminium

    den_copper = 8900.0
    den_aluminium = 2700.0