fuellib.correlate.mixture.saturated_vapor_pressure_antoine_coeffs

fuellib.correlate.mixture.saturated_vapor_pressure_antoine_coeffs(fuel, Tvals=None, Yi=None, *, units='mks', correlation='Lee-Kesler')

Estimate Antoine coefficients for saturated vapor pressure of the mixture.

Parameters:

  • fuel (Fuel) – Fuel object.

  • Tvals (Quantity[ndarray[tuple[int]]] | None) – Temperature range or nodes for Antoine fit in Kelvin. Defaults to [273.15, min(Tb_mix)].

  • Yi (Quantity[ndarray[tuple[int]]] | None) – Mass fractions of each compound in the mixture. Defaults to fuel.Y_0 (initial mass fractions).

  • units (Literal['mks', 'cgs', 'dyne/cm^2', 'Pa']) – Units for pressure in fit. Defaults to “mks” (Pa).

  • correlation (Literal['Ambrose-Walton', 'Lee-Kesler']) – Correlation method. Defaults to “Lee-Kesler”.

Returns:

Coefficients A, B, C, D.

Raises:

ValueError – If units or Tvals are invalid.

Return type:

tuple[float, float, float, float]