Effective scattering in strongly heterogeneous media

G. Diener

Physica A: Statistical Mechanics and its Applications, 1982, vol. 115, issue 1, 259-274

Abstract: The radiation transfer theory for wave propagation in random media involves an effective scattering function (or effective differential cross section). This function is calculated by means of a CPA-like single-grain approximation for scalar waves in a multi-component mixture consisting of an irregular arrangement of nearly spherical grains. The strength and angular distribution of effective scattering are discussed for long wavelengths. The results satisfy the optical theorem. For an extremely heterogeneous two-component mixture a particularly strong and nearly isotropic scattering is predicted in the vicinity of the percolation transition of the mixture.

Date: 1982
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:115:y:1982:i:1:p:259-274

DOI: 10.1016/0378-4371(82)90140-6

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