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feat: thermodynamics quantity specifications added

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Mateusz Pusz
2022-12-19 12:04:57 +01:00
parent a9db8a1538
commit 026ce8a4e7
2 changed files with 131 additions and 8 deletions
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src/systems/isq/include/units/isq/thermodynamics.h
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@@ -22,18 +22,77 @@
#pragma once
#include <units/dimension.h>
#include <units/isq/base_quantities.h>
#include <units/isq/mechanics.h>
#include <units/isq/space_and_time.h>
#include <units/quantity_spec.h>
namespace units::isq {
// inline constexpr struct thermodynamic_temperature : base_dimension<"Θ"> {} thermodynamic_temperature;
// TODO Celsius temperature???
// DERIVED_DIMENSION(mass_density, decltype(mass / volume));
// DERIVED_DIMENSION(energy, decltype(force * length)); // defined in a mechanics header
QUANTITY_SPEC(Celsius_temperature, thermodynamic_temperature); // TODO should we account for T0 here?
QUANTITY_SPEC(linear_expansion_coefficient, 1 / length * (length / thermodynamic_temperature));
QUANTITY_SPEC(cubic_expansion_coefficient, 1 / volume * (volume / thermodynamic_temperature));
QUANTITY_SPEC(relative_pressure_coefficient, 1 / pressure * (pressure / thermodynamic_temperature));
QUANTITY_SPEC(pressure_coefficient, pressure / thermodynamic_temperature);
QUANTITY_SPEC(isothermal_compressibility, 1 / volume * (volume / pressure)); // TODO how to handle "negative" part
QUANTITY_SPEC(isentropic_compressibility, 1 / volume * (volume / pressure)); // TODO how to handle "negative" part
QUANTITY_SPEC(energy, mass* pow<2>(length) / pow<2>(time));
QUANTITY_SPEC(heat, energy); // TODO what is a correct equation here?
inline constexpr auto amount_of_heat = heat;
QUANTITY_SPEC(latent_heat, heat); // TODO what is a correct equation here?
QUANTITY_SPEC(heat_flow_rate, heat / time);
QUANTITY_SPEC(density_of_heat_flow_rate, heat_flow_rate / area);
QUANTITY_SPEC(thermal_conductivity, density_of_heat_flow_rate*(length / thermodynamic_temperature));
QUANTITY_SPEC(coefficient_of_heat_transfer, density_of_heat_flow_rate / thermodynamic_temperature);
QUANTITY_SPEC(surface_coefficient_of_heat_transfer, density_of_heat_flow_rate / thermodynamic_temperature);
QUANTITY_SPEC(thermal_insulance, 1 / coefficient_of_heat_transfer);
inline constexpr auto coefficient_of_thermal_insulance = thermal_insulance;
QUANTITY_SPEC(thermal_resistance, thermodynamic_temperature / heat_flow_rate);
QUANTITY_SPEC(thermal_conductance, 1 / thermal_resistance);
QUANTITY_SPEC(heat_capacity, heat / thermodynamic_temperature);
QUANTITY_SPEC(specific_heat_capacity, heat_capacity / mass);
QUANTITY_SPEC(specific_heat_capacity_at_constant_pressure, specific_heat_capacity);
QUANTITY_SPEC(specific_heat_capacity_at_constant_volume, specific_heat_capacity);
QUANTITY_SPEC(specific_heat_capacity_at_saturated_vapour_pressure, specific_heat_capacity);
QUANTITY_SPEC(thermal_diffusivity, thermal_conductivity / (mass_density * specific_heat_capacity_at_constant_pressure));
QUANTITY_SPEC(ratio_of_specific_heat_capacities,
specific_heat_capacity_at_constant_pressure / specific_heat_capacity_at_constant_volume);
QUANTITY_SPEC(isentropic_exponent, volume / pressure * (pressure / volume)); // TODO how to handle "negative" part
inline constexpr auto isentropic_expansion_factor = isentropic_exponent;
QUANTITY_SPEC(entropy, kinetic_energy / thermodynamic_temperature);
QUANTITY_SPEC(specific_entropy, entropy / mass);
QUANTITY_SPEC(internal_energy, energy);
inline constexpr auto thermodynamic_energy = internal_energy;
QUANTITY_SPEC(enthalpy, energy);
QUANTITY_SPEC(Helmholtz_energy, energy);
inline constexpr auto Helmholtz_function = Helmholtz_energy;
QUANTITY_SPEC(Gibbs_energy, energy);
inline constexpr auto Gibbs_function = Gibbs_energy;
QUANTITY_SPEC(specific_energy, energy / mass);
QUANTITY_SPEC(specific_internal_energy, internal_energy / mass);
inline constexpr auto specific_thermodynamic_energy = specific_internal_energy;
QUANTITY_SPEC(specific_enthalpy, enthalpy / mass);
QUANTITY_SPEC(specific_Helmholtz_energy, Helmholtz_energy / mass);
inline constexpr auto specific_Helmholtz_function = specific_Helmholtz_energy;
QUANTITY_SPEC(specific_Gibbs_energy, Gibbs_energy / mass);
inline constexpr auto specific_Gibbs_function = specific_Gibbs_energy;
QUANTITY_SPEC(Massieu_function, Helmholtz_energy / thermodynamic_temperature); // TODO how to handle "negative" part
QUANTITY_SPEC(Planck_function, Gibbs_energy / thermodynamic_temperature); // TODO how to handle "negative" part
QUANTITY_SPEC(Joule_Thomson_coefficient, thermodynamic_temperature / pressure);
QUANTITY_SPEC(efficiency_thermodynamics, work / heat);
QUANTITY_SPEC(maximum_efficiency, thermodynamic_temperature / thermodynamic_temperature);
QUANTITY_SPEC(specific_gas_constant, entropy / mass);
QUANTITY_SPEC(mass_concentration_of_water, mass / volume);
QUANTITY_SPEC(mass_concentration_of_water_vapour, mass / volume);
QUANTITY_SPEC(mass_ratio_of_water_to_dry_matter, mass / mass);
QUANTITY_SPEC(mass_ratio_of_water_vapour_to_dry_gas, mass / mass);
QUANTITY_SPEC(mass_fraction_of_water, mass_ratio_of_water_to_dry_matter / mass_ratio_of_water_to_dry_matter);
QUANTITY_SPEC(mass_fraction_of_dry_matter, mass_fraction_of_water);
QUANTITY_SPEC(relative_humidity, pressure / pressure);
QUANTITY_SPEC(relative_mass_concentration_of_vapour,
mass_concentration_of_water_vapour / mass_concentration_of_water_vapour);
QUANTITY_SPEC(relative_mass_ratio_of_vapour,
mass_ratio_of_water_vapour_to_dry_gas / mass_ratio_of_water_vapour_to_dry_gas);
QUANTITY_SPEC(dew_point_temperature, thermodynamic_temperature);
} // namespace units::isq