Light & Engineering 27 (5)

Volume 27
Date of publication 10/25/2019
Pages 67-71

The Calculation Method for Light Climate Parameters Based on Sun-Lighting Efficiency and the Comparative Analysis of Light Climate in Hanoi and Moscow. L&E 27 (5) 2019

Articles authors:

Aleksei K. Solovyov, Thị Hạnh Phương Nguyễn

Aleksei K. Solovyov, Dr. of Technical Science, Professor, graduated from the Kuybyshev Moscow Civil Engineering Institute in 1965. He is the Professor of the Chair for Civil and Structural Design at the National Research University – the Moscow State University of Civil Engineering. He is also a member of the European Academy of Arts and Sciences and a member of the Editorial Board at Light & Engineering. He is an Honorary Builder of the Russian Federation and an Honorary Figure of Russian Higher Education

Thị Hạnh Phương Nguyễn, architect, graduated from the Saint Petersburg State University of Architecture and Civil Engineering in 2008 and got the Postgraduate Education in 2017 at the Chair for Civil and Structural Design at the National Research University – the Moscow State University of Civil Engineering

Abstract:

The main source of daylight is the Sun. The EarthТs atmosphere scatters its light due to the air, water vapour, ice particles (at high altitudes), dust, various gases, and other contaminants that appear in the air as a result of human activities. This forms a daylight diffuse (scattered) component, which is a data basis for calculation of daylight in buildings. This basis has its own features for a given region.
This article shows a calculation of sun-lighting efficiency in Vietnam. We obtained a variation of horizontal daylight illuminance in Hanoi (21.03∞N). Comparing it with the variation of horizontal daylight illuminance in Moscow (55.70∞N), we can see a high level and a distribution uniformity of outdoor illuminance in Vietnam. The maximum levels of diffuse illuminance and total illuminance in Hanoi are 45.2 and 58.52 klx; the maximum levels of diffuse illuminance and total illuminance in Moscow are 28.3 and 53.1 klx. Besides, illuminance levels in winter months are much higher for Hanoi than for Moscow. This can be explained by different latitudes of these cities and by the Sun motion.

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Keywords

DOI: https://doi.org/10.33383/2018-055