In the fields of optics and heat transfer, radiosity is the total emitted and reflected radiation leaving a surface.
The diffuse radiosity (J) is the integral of the hemispherical spectral radiosity (Jλ) over the spectrum:
where Jλ is equal to integral over the hemispherical solid angle of the sum of emitted and reflected radiant intensities.[1]
The radiosity method is used to solve for the radiative heat transfer between a number of surfaces. This method requires the solution of a system of simultaneous equations using matrix methods because the radiation hitting each surface is determined by the temperatures of all the other surfaces.
See also
- Irradiance
- Radiant flux
- Radiosity (computer graphics)
References
- ^ Incropera and deWitt, Fundamentals of Heat and Mass Transfer, 3E, ISBN 0471386502
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