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13.3.9 Choosing a Radiation Model

For certain problems one radiation model may be more appropriate than the others. When deciding which radiation model to use, consider the following:

External Radiation

If you need to include radiative heat transfer from the exterior of your physical model, you can include an external radiation boundary condition in your model (for details, see Section  7.13.1). If you are not concerned with radiation within the domain, this boundary condition can be used without activating one of the radiation models.

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