[WIP] Radiative equilibrium wall bounday condition

[jtneedels]

Proposed Changes

*This PR adds the capability of a radiative equilibrium wall boundary condition to the standard air and NEMO solvers.

Related Work

PR Checklist

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[WallyMaier]

This looks pretty good! I think you should add a regression.

Should an incompressible version be added as well?

[jtneedels]

This looks pretty good! I think you should add a regression. Thanks! Yeah good point, I'll work on making one.

Should an incompressible version be added as well? Mmmm, that's a good question. I think physically for aerodynamic heating loads to be sufficiently high, you'd need to have a high enough Ma to ned the compressible solver. But maybe there are cases in the incompressible solver where you're dealing with high temperature flows and want to model the wall radiation out? Maybe this is already implemented in a more complex way?

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[WallyMaier]

Trying to unstale this.