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محسن جواهريان

محسن جواهریان

مرتبه علمی: استادیار
نشانی:
تحصیلات: دکترای تخصصی / فیزیک - فیزیک نجومی
تلفن:
دانشکده: مرکز تحقیقات نجوم و اختر فیزیک مراغه

مشخصات پژوهش

عنوان
A Computer Modeling of Mie-Scattering by Spherical Droplets within the Atmosphere
نوع پژوهش مقاله چاپ شده
کلیدواژه‌ها
Light Scattering, Electromagnetic Absorption, Mie theory
سال
2016
مجله Iranian Journal of Astronomy and Astrophysic
شناسه DOI 10.22128/ijaa.2016.51
پژوهشگران محسن جواهریان ، بهرام عابدی روان

چکیده

The Earth’s atmosphere is an environment replete with particles of differ-ent sizes with various refractive indices which affect the light radiation traveling through it. The Mie scattering theory is one of the well-known light scattering techniques applicable to modeling of electromagnetic scattering from tiny atmospheric particles or aerosols floating in the air or within the clouds. In this study, the scattering charac-teristics of atmospheric particles are investigated for a wide range of particle types and particle sizes within the framework of Mie’s theory. The scattering and back-scattering coefficients are calculated and it is observed that the maximum scattering occurs for particle sizes comparable to the radiation wavelength while the spherical particles with diameters much greater than the wavelength scatter the least. The calculations were carried out in the MATLAB environment and the results demonstrate that the scat-tering anisotropy has a direct relation with diameter of the particles.