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Application of monolithic expanded clay concrete in enclosing structures of country cottages with intermittent heating

Abstract

Application of monolithic expanded clay concrete in enclosing structures of country cottages with intermittent heating

Vytchikov Yu.S., Saparev M.E., Golikov V. A., Dymshits M.V.

Incoming article date: 18.02.2021

A method for determining the optimal value of the heat transfer resistance of a three-layer exterior wall of a country cottage building is presented. As an optimization criterion, the specific consumption of thermal energy for the weekly cycle of operation of the building is selected. As a result of the study of the function describing the total specific energy consumption for heat loss compensation and heating of 1 m2 of the outer wall, an analytical expression was obtained to determine the optimal value of the heat transfer resistance. Based on the obtained solution, the thickness of the monolithic expanded clay concrete used as a structural and thermal insulation material in the outer wall is optimized. An analytical relationship is obtained to evaluate the energy-saving effect due to additional insulation of the outer wall of a country cottage.

Keywords: intermittent heating, heat transfer resistance, enclosing structure, energy consumption, heat protection characteristics