Analysis of Microclimatic Comfort Conditions in University Classrooms

Ksenia Strelets (), Daria Zaborova (), Ilya Serbin (), Marina Petrochenko and Evgeniia Zavodnova
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Ksenia Strelets: Institute of Civil Engineering, Peter the Great St. Petersburg Polytechnic University, St. Petersburg 195251, Russia
Daria Zaborova: Institute of Civil Engineering, Peter the Great St. Petersburg Polytechnic University, St. Petersburg 195251, Russia
Ilya Serbin: Institute of Civil Engineering, Peter the Great St. Petersburg Polytechnic University, St. Petersburg 195251, Russia
Marina Petrochenko: Institute of Civil Engineering, Peter the Great St. Petersburg Polytechnic University, St. Petersburg 195251, Russia
Evgeniia Zavodnova: Institute of Civil Engineering, Peter the Great St. Petersburg Polytechnic University, St. Petersburg 195251, Russia

Sustainability, 2024, vol. 16, issue 8, 1-21

Abstract: This paper considers microclimate to be one of the main contributors to thermal comfort in educational buildings. The influence of microclimate on well-being and productivity is considered. The role of microclimatic parameters is assessed from the perspective of building design, focusing on approaches to regulating these parameters. We also describe the formation of microclimate and the factors directly affecting it. The state of the microclimate of classrooms of an educational institution was analyzed, providing estimates of people’s real thermal sensations. The microclimate was assessed by the Fanger method. The PMV and PPD comfort indices were calculated for this purpose. The calculations were carried out thrice, i.e., based on the data obtained by using measuring equipment, based on the data from the survey and based on a SolidWorks model. Calculations in the program were carried out to validate the measured values and visualize the process of the distribution and localization of comfort indices. The results confirm that the indoor microclimate was generally favorable, and the PMV values obtained from the survey of people’s real sensations of thermal comfort were higher than the calculated PMV values. It was established that the PMV and PPD values corresponding to the largest deviations from the norm were as follows: −0.74/17% (PMV/PPD) for the calculation based on the real values of microclimatic parameters and 0.70/15.3% (PMV/PPD) for the calculation based on people’s thermal sensations. For applying the Fanger method for thermal comfort analysis in an educational institution in St. Petersburg, we upgraded the procedure, introducing a questionnaire survey. The mean PMV values calculated by the Fanger method were 0.16 lower than the PMV values obtained by the survey.

Keywords: microclimate; thermal comfort; microclimatic parameters; Fanger method (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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