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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 13 — May. 1, 1998
  • pp: 2615–2623

Generalized four-flux radiative transfer model

William E. Vargas  »View Author Affiliations


Applied Optics, Vol. 37, Issue 13, pp. 2615-2623 (1998)
http://dx.doi.org/10.1364/AO.37.002615


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Abstract

General solutions for a four-flux radiative transfer model, derived from the radiative transfer equation and based on Lorenz–Mie scattering and absorption parameters, have been obtained. Forward and backward average path-length parameters have been considered as well as forward-scattering ratios for diffuse anisotropic radiation going into the forward and the backward hemispheres. The reported solutions are generalizations of those obtained by Maheu et al. [Appl. Opt. 23, 3353–3362 (1984)]. Compared with the generalized solutions, numerical calculations indicate that the δ-Eddington approximation and the standard four-flux model of Maheu et al. overestimate the collimated–diffuse reflectance of particulate coatings, whereas these models give similar results in the case of collimated–diffuse transmittance.

© 1998 Optical Society of America

History
Original Manuscript: August 25, 1997
Revised Manuscript: December 17, 1997
Published: May 1, 1998

Citation
William E. Vargas, "Generalized four-flux radiative transfer model," Appl. Opt. 37, 2615-2623 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-13-2615

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