Thermal Conductivity
- pygasflow.atd.thermal_conductivity.thermal_conductivity_chapman_enskog(T, gas='O')[source]
Compute the thermal conductivity of pure monoatomic gases.
- Parameters
- Tfloat or array_like
Temperature of the air in [K]
- gasstr, optional
Possible values are:
'N','O','Ar','He'
- Returns
- kfloat or array_like
Thermal conductivity of the gas [W / (m * K)]
References
“Basic of aerothermodynamics” by Ernst Heinrich, Table 13.1
“Transport Phenomena” by R. Byron Bird, Warren E. Stewart, Edwing N. Lightfoot, Table E2
- pygasflow.atd.thermal_conductivity.thermal_conductivity_eucken(cp, R, mu)[source]
Compute the thermal conductivity of gases with the semi-empirical Eucken formula.
- Parameters
- cpfloat or array_like
Specific heat at constant pressure. [J / (kg * K)]
- Rfloat or array_like
Specific gas constant, which is equal to R0 / M with M the molecular weight.
- mufloat or array_like
Viscosity [kg / (m * s)].
- Returns
- kfloat or array_like
Thermal conductivity of the gas [W / (m * K)]
References
“Basic of Aerothermodynamics”, by Ernst H. Hirschel
- pygasflow.atd.thermal_conductivity.thermal_conductivity_hansen(T)[source]
Compute air’s thermal conductivity.
- Parameters
- Tfloat or array_like
Temperature of the air in [K]
- Returns
- kfloat or array_like
Thermal conductivity of the gas [W / (m * K)]
References
“Basic of Aerothermodynamics”, by Ernst H. Hirschel
- pygasflow.atd.thermal_conductivity.thermal_conductivity_power_law(T)[source]
Compute air’s thermal conductivity.
- Parameters
- Tfloat or array_like
Temperature of the air in [K]
- Returns
- kfloat or array_like
Thermal conductivity of the gas [W / (m * K)]
References
“Basic of Aerothermodynamics”, by Ernst H. Hirschel