Assessment of the relationship of heat gain from solar radiation on latitude to calculate the energy saving class of the building

The methods of obtaining the initial data to estimate the annual heat gain in the building from solar radiation when calculating its energy saving class in accordance with the SP 50.13330.2012 method are considered. The article presents the results of correlation analysis to identify the statistical relationship between the duration of the heating period and the geographical latitude of the construction area within the main part of the territory of the Russian Federation. It is shown how, taking into account the obtained ratio, it is possible to use information on the specific heat flux from solar radiation through vertical and horizontal translucent barriers presented in SP 131.13330.2012 for an approximate calculation of the specific characteristics of heat gain in the building from solar radiation. The engineering dependence of the averaged total intensity of solar radiation on the facades of the building depending only on the geographic latitude of the area is given.

O.D. SAMARIN, Candidate of Sciences (Engineering)
K.I. LUSHIN, Engineer

National Research Moscow State University of Civil Engineering (26, Yaroslavskoe Highway, Moscow, 129337, Russian Federation)

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