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Thermal Radiation Balance

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Radiative equilibrium

268.4 K

Surface temperature settles where absorbed power equals emitted thermal radiation.

Absorbed PowerRadiator SurfaceThermal Emission

Equilibrium temperature

268.37 K

-4.78 °C

Absorbed power

1,000.00 W

4.00 m² radiating area

Emitted flux

250.00 W/m²

absorbed power divided by area

Emissivity

0.850

Stefan–Boltzmann emission factor

Open Source and Easy to Use Elsewhere

This tool is open source and the underlying logic is fully transparent. You can inspect the code, understand the calculations, and contribute improvements. If you want to use the tool in your own website, course page, or learning platform, you can also embed it directly and start from a ready-made iframe setup for this exact tool.

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