Identification of the effective radiative properties of a hot, thick, porous medium.

Details Identification of the effective radiative properties of a hot, thick, porous medium. Identification of the effective radiative properties of a hot, thick, porous medium.

Jul 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998jqsrt..60...85n&link_type=abstract

Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 60, issue 1, pp. 85-96

Computer Science

Radiative Transfer: Scattering

Scientific paper

An inversion method is used to determine the spectral radiative properties (scattering albedo, extinction coefficient, and Henyey-Greenstein asymmetry factor) of a packed bed of stainless steel spheres. Spectral and directional experimental data for the intensity exiting the bed were compared to radiative transfer equation (RTE) discrete ordinates method solutions in a nonlinear least-squares algorithm (modified Levenberg-Marquardt) to identify the radiative properties. The properties resulting from the inversion method showed a higher scattering albedo, more forward scattering phase function, and higher extinction coefficient than those calculated using either independent scattering theory or the correlated scattering theory of Kamiuto.

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