Black Body Radiant Exitance Calculator

Radiant Exitance is also referred as Radiant emittance. It is explained as the radiant flux emitted from a source per unit area surface of that source. Its unit is watt per square metre. The discharge of radiation through black body surface is called black body radiation. The body that does not absorb the incident radiation is grey body radiation. Use our online black body radiant exitance calculator to find the emit radiation of the grey body.

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You can use the formula to calculate the black body radiant exitance by computing the values of Albedo, temperature and Stefan-Boltzmann constant. The energy radiated from the black body is determined by using the Planck’s law.