NUMERICAL ANALYSIS OF THERMAL EFFICIENCY OF EXTERNAL WALLS WITH HEAT-CONDUCTING INCLUSIONS
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Abstract
In the practice of design and construction, methods of numerical calculations using modern software package are widely used, which make it possible to effectively solve the problems of designing, erecting and operating buildings and structures of various functional purposes. A comparative analysis of numerical, theoretical and experimental studies in the field of building structures, buildings and structures shows that accurate calculation methods provide reliable data on the subject of research. This article presents the results of numerical studies of the thermal efficiency of inhomogeneous vertical fences on the example of several options for constructive solutions for the outer walls of a building. The studies were carried out using the TEPL software package, developed for calculating three-dimensional temperature fields based on the control volume method. The results of the analysis of the temperature distribution on the heat exchange surfaces are presented, which made it possible to determine the zones of excessive heat losses in the structures under study. Significant heat losses on the slopes of window openings are revealed, which should be taken into account when calculating the reduced resistance to heat transfer of the fence. The TEPL software package allows not only to correctly estimate heat losses, but also automatically obtain the value of the reduced heat transfer resistance of the fence structure, taking into account all the features of its design solution.
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