Melinder Fluid Abstract Base Class

A Melinder fluid base class is available for developers to create new derived fluid mixtures:

class scp.base_melinder.BaseMelinder(t_min: float, t_max: float, x: float, x_min: float, x_max: float)

Bases: BaseFluid

A base class for Melinder fluids that provides convenience methods that can be accessed in derived classes.

Melinder, Å. 2010. Properties of Secondary Working Fluids for Indirect Systems. 2nd ed. International Institute of Refrigeration.

abstractmethod coefficient_conductivity() → tuple

Abstract method; derived classes should override to return the coefficient matrix for conductivity.

abstractmethod coefficient_density() → tuple

Abstract method; derived classes should override to return the coefficient matrix for density.

abstractmethod coefficient_freezing() → tuple

Abstract method; derived classes should override to return the coefficient matrix for freezing point.

abstractmethod coefficient_specific_heat() → tuple

Abstract method; derived classes should override to return the coefficient matrix for specific heat.

abstractmethod coefficient_viscosity() → tuple

Abstract method; derived classes should override to return the coefficient matrix for viscosity.

conductivity(temp: float) → float

Calculates the thermal conductivity of the mixture

@param temp: Fluid temperature, in degrees Celsius @return: Thermal conductivity, in W/m-K

density(temp: float) → float

Calculates the density of the mixture

@param temp: Fluid temperature, in degrees Celsius @return: Density, in kg/m3

freeze_point(x: float) → float

Calculate the freezing point temperature of the mixture

@param x: Concentration fraction @return Freezing point temperature, in Celsius

specific_heat(temp: float) → float

Calculates the specific heat of the mixture

@param temp: Fluid temperature, in degrees Celsius @return: Specific heat, in J/kg-K

viscosity(temp: float) → float

Calculate the dynamic viscosity of the mixture

@param temp: Fluid temperature, in degrees Celsius @return: Dynamic viscosity, in N/m2-s, or Pa-s