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Radiosity (heat transfer)

Radiosity is the total of emitted and reflected radiation leaving a surface, in the fields of optics and heat transfer. Hemispherical radiosity Jλ(λ) is the integral of the spectral intensity of reflected plus emitted radiation over the hemispherical solid angle[1]. The total hemispherical radiosity J is the integral of the hemispherical radiosity over all wavelengths:

J = \int_{0}^{\infty}J_{\lambda}(\lambda)d\lambda = \pi I_{e+r}

The radiosity method is used to solve for the radiative heat transfer between a number of surfaces. Because the radiation hitting each surface is determined by the temperatures of of all the other surfaces, this method requires the solution of a system of simultaneous equations using matrix methods. For more information see Radiosity (computer graphics).

See also


  1. ^ Incropera and deWitt, Fundamentals of Heat and Mass Transfer, 3rd ed, ISBN 0471386502
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Radiosity_(heat_transfer)". A list of authors is available in Wikipedia.
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