A1 Journal article (refereed)
How much is enough? : The convergence of finite sample scattering properties to those of infinite media (2021)


Penttilä, Antti; Markkanen, Johannes; Väisänen, Timo; Räbinä, Jukka; Yurkin, Maxim A.; Muinonen, Karri (2021). How much is enough? : The convergence of finite sample scattering properties to those of infinite media. Journal of Quantitative Spectroscopy and Radiative Transfer, 262, 107524. DOI: 10.1016/j.jqsrt.2021.107524


JYU authors or editors


Publication details

All authors or editors: Penttilä, Antti; Markkanen, Johannes; Väisänen, Timo; Räbinä, Jukka; Yurkin, Maxim A.; Muinonen, Karri

Journal or series: Journal of Quantitative Spectroscopy and Radiative Transfer

ISSN: 0022-4073

eISSN: 1879-1352

Publication year: 2021

Volume: 262

Article number: 107524

Publisher: Elsevier

Publication country: United Kingdom

Publication language: English

DOI: https://doi.org/10.1016/j.jqsrt.2021.107524

Open Access: Open access publication published in a hybrid channel

Publication is parallel published (JYX): https://jyx.jyu.fi/handle/123456789/73885


Abstract

We study the scattering properties of a cloud of particles. The particles are spherical, close to the incident wavelength in size, have a high albedo, and are randomly packed to 20 % volume density. We show, using both numerically exact methods for solving the Maxwell equations and radiative-transfer-approximation methods, that the scattering properties of the cloud converge after about ten million particles in the system. After that, the backward-scattered properties of the system should estimate the properties of a macroscopic, practically infinite system.


Keywords: fine particles; optical properties; scattering (physics); Maxwell equations; approximation; computational science

Free keywords: scattering; particulate random media; radiative transfer; Maxwell equations


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Ministry reporting: Yes

Preliminary JUFO rating: 1


Last updated on 2021-29-01 at 11:18