fixedIncidentRadiation

Description

The fixedIncidentRadiation is a boundary condition for thermal coupling for solid regions. It is used to emulate a fixed incident radiative heat flux on a wall.

The gradient heat flux is calculated as:

$$q_r = \epsilon*(q_{r, incident} - \sigma_ T^4)$$

where:

Property	Description
$\epsilon$	Emissivity of the solid
$q_{r, incident}$	Specified fixed incident radiation
$T$	Temperature

Usage

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

Boundary file

<patchName>
{
    type            patch;
    ...
}

Field file

<patchName>
{
    // Mandatory entries
    type            fixedIncidentRadiation;
    qrIncident      <scalarField>;

    // Inherited entries
    ...
}

where:

Property	Description	Type	Required	Default
type	Type name: fixedIncidentRadiation	word	yes	-
qrIncident	Incident radiative heat flux	scalarField	yes	-

The inherited entries are elaborated in:

• fixedGradientFvPatchField.H
• temperatureCoupledBase.H

Further information

Tutorial:

• simplePMMApanel

Source code:

• fixedIncidentRadiation

API:

• Foam::radiation::fixedIncidentRadiationFvPatchScalarField

History: Introduced in version 2206