alphatJayatillekeWallFunction

Description

The alphatJayatillekeWallFunction is a boundary condition that provides a thermal wall function for turbulent thermal diffusivity (usually alphat) based on the Jayatilleke model.

Usage

The condition requires entries in both the boundary and field files.

Boundary file

<patchName>
{
    type            patch;
    ...
}

Field file

<patchName>
{
    // Mandatory entries
    type            compressible::alphatJayatillekeWallFunction;

    // Optional entries
    Prt             <scalar>;
    kappa           <scalar>;
    E               <scalar>;

    // Inherited entries
    ...
}

where:

Property	Description	Type	Required	Default
type	Type name: compressible::alphatJayatillekeWallFunction	word	yes	-
Prt	Turbulent Prandtl number	scalar	no	0.85
kappa	von Karman constant	scalar	no	0.41
E	Wall roughness parameter	scalar	no	9.8

The inherited entries are elaborated in:

• fixedValueFvPatchField.H

Further information

Tutorial:

• comfortHotRoom

Source code:

• alphatJayatillekeWallFunction

API:

• Foam::compressible::alphatJayatillekeWallFunctionFvPatchScalarField

History: Introduced in version v2206