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June 2017, № 7 (207), pages 83-89

Zakirullin R.S. A METHOD FOR CALCULATING THE GRATING OPTICAL FILTER FOR SMART WINDOWSA method for calculating an optical filter with thin-film grating layers on two surfaces of a smart window with single and double glazings is presented. Surface gratings are formed by absorbing, reflecting or scattering parallel strips of chromogenic or other smart materials, alternating with directionally transmissive stripes with the untreated part of the raw glass surface. The design of the filter and the difference in the calculation of the angular selective characteristic of the directional light transmission and the geometric parameters of the filter for single and double glazed windows are considered. Calculation of the filter for a double glazed window with given light transmittance characteristic at a known latitude of the settlement and azimuth of orientation of the window to cardinal is given. The results of the calculation are confirmed experimentally. Smart windows with optical filters are designed to provide hygienic requirements for natural and artificial illumination and insolation, given in Sanitary and Epidemiological Regulations and Standards SanPiN 2.1.2.2645-10 “Sanitary and Epidemiological Requirements for Living Conditions in Residential Buildings and Premises”.Key words: solar radiation, directional light transmission, optical filter, surface gratings with alternating strips, angular selective filtering, hygienic norms.

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About this article

Author: Zakirullin R.S.

Year: 2017

Editor-in-chief

Sergey Aleksandrovich
MIROSHNIKOV

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