Comparison of Calculated and Experimental Air Temperature in the Basement of a Residential Building

Abstract

Parts of buildings that have a fence in contact with the ground have some calculation features. One of the most important tasks is to determine the calculated air temperature in the basement of a building. As a result of the analysis of normative literature, it is revealed that there is no single methodology for solving this problem. To determine the correctness of the available calculation formulas, an experiment was carried out to measure the air temperature in the basement of a residential building. Measurements were carried out during two months of the heating season in the climatic conditions of the city Voronezh. As a result of processing the measured data, the dependence of the air temperature in the basement on the outdoor air temperature was determined. The resulting dependence is linear. Theoretical calculations of the air temperature in the basement at different values of the air exchange multiplicity and outdoor air temperature were also carried out. Comparison of calculated and experimental data showed that the discrepancy is minimal at positive outdoor temperatures. When the outdoor temperature decreases, the deviation of the calculated values from the experimental ones becomes more and more significant. The dependence of the temperature difference between the temperature of the basement and the outdoor air was also studied. The type of dependence obtained allowed us to offer a simplified method for determining the calculated air temperature in the basement.