Description

The convectiveHeatTransfer is a boundary condition that provides a convective heat transfer coefficient condition:

  • If \(Re > 500000\): \(h_p = \frac{0.664 \mathrm{Re}^{0.5} \mathrm{Pr}^{0.333} \kappa_p}{L}\)
  • Else: \(h_p = \frac{0.037 \mathrm{Re}^{0.8} \mathrm{Pr}^{0.333} \kappa_p}{L}\)

where:

Property Description
\(h_p\) Patch convective heat transfer coefficient
\(\mathrm{Re}\) Reynolds number
\(\mathrm{Pr}\) Prandtl number
\(\kappa_p\) Thermal conductivity
\(L\) Length scale

Usage

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

Boundary file

<patchName>
{
    type            patch;
    ...
}

Field file

<patchName>
{
    // Mandatory entries
    type            convectiveHeatTransfer;
    L               <scalar>;

    // Inherited entries
    ...
}

where:

Property Description Type Required Default
type Type name: convectiveHeatTransfer word yes -
L Length scale scalar yes -

The inherited entries are elaborated in:

  • fixedValueFvPatchField.H

Further information

Tutorial:

Source code:

API:

History:

  • Introduced in version 2206