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Investigation of thermal and air efficiency in trombe wall of modular building

Zhelykh Vasyl, Ulewicz Małgorzata, Furdas Yurii, Shepitchak Volodymyr

Archives of Civil Engineering

2023

Vol. 69, nr 4

663--678

The proposed Trombe wall design is an innovative and effective solution for addressing issues related to building energy efficiency. The Trombe wall can help reduce a building’s energy consumption, provide optimal indoor temperature, and minimize the building’s environmental impact by utilizing renewable energy sources. The article deals with the study of the heat-air characteristics of the Trombe Wall, which performs the functions of external protection of a modular house, with the aim of further evaluating the possibility of using it as a hybrid protection with additional heating and ventilation functions assigned to it. The results of experimental research conducted on one of the elements of external protection of a modular house in the form of the Trombe Wall are presented. The experimentally obtained graphic dependences were compared with the calculated data and the convergence was evaluated. The proposed design allows you to organize air exchange in the premises with a multiplicity within 1-1.5 h-1, and also provides an opportunity to provide additional thermal power in the amount of 250 W/m2. The article presents the results of experimental studies that allow to evaluate the thermal characteristics of the proposed design of external protection for a modular house. These results indicate that with the given geometric dimensions, in particular with a volume of 14 m3, the thermal power utilized by the Trombe wall is within 0.2-0.7 kW.