Light Receiving Devices of Hollow Tubular Light Guides and Ways of their Further Improvement

The expediency of using hollow tubular light guides to supply natural light to underground spaces and provide a safe environment for people in them is substantiated. It is shown that the use of hollow tubular light guides as natural illumination of underground spaces contributes to the creation of a more comfortable living environment in the underground floors of buildings. Various types and design solutions of light receiving devices of hollow tubular light guides are considered. It is shown that the design of the light receiving device should be designed taking into account the geographical latitude of the construction site of the object. Formulas are given to determine the position of the Sun in the sky, taking into account its trajectory of “movement” and the height of the angle of location above the horizon. A diagram of the trajectory of the “movement” of the Sun for Moscow is constructed. The calculated data obtained will be used for the development and construction of two-coordinate systems for tracking the Sun in the light receiving devices of hollow tubular light guides, which will ensure that they receive the maximum amount of natural light.

I.A. SHMAROV, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.)
V.A. KOZLOV, Candidate of Science Engineering (This email address is being protected from spambots. You need JavaScript enabled to view it.)
V.V. ZEMTSOV, Engineer (This email address is being protected from spambots. You need JavaScript enabled to view it.)

Scientific-Research Institute of Building Physics of RAACS (21, Lokomotivniy Driveway, Moscow, 127238, Russian Federation)

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