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EVALUATION OF BUILDING MICROCLIMATE DEPENDING ON INTENSITY OF AIR EXCHANGE

Galda, Z.
Abstract:
The indoor climate of buildings is one of the most important components that directly affect human health, well-being, and then the work performance of each of us. We are witnesses of the past and the present when we are experiencing so-called sick building syndrome. At present, however, an extraordinary emphasis is placed on building assessment from the energy saving point of view. The era of homes with almost zero energy consumption is beginning. To meet this requirement, attention must be paid not only to energy consumption but also to the tightness of the envelope of the building. However, this necessitates forced ventilation of the building, at least in the winter. The article builds on studies and experiments conducted in recent years. With the changing fresh air flow, there change the two basic indexes of the indoor climate, namely the PMV and PPD index. The article describes and evaluates the influence of fresh air volume flows, the flow rate, or intensity, with respect to internal CO2 concentrations, with consequent changes in the PMV and PPD indexes and hence the internal microclimate according to ?SN EN 15251:2011. The calculation is performed on a specific room, where practical measurements and dynamic simulation software have already been performed using CFD analysis of a non-stationary solution model.
SGEM Research areas:
Year:
2018
Type of Publication:
In Proceedings
Keywords:
Microclimate; PMV; PPD; CFD; Building Services
Volume:
18
SGEM Book title:
18th International Multidisciplinary Scientific GeoConference SGEM 2018
Book number:
6.3
SGEM Series:
International Multidisciplinary Scientific GeoConference-SGEM
Pages:
159-164
Publisher address:
51 Alexander Malinov blvd, Sofia, 1712, Bulgaria
SGEM supporters:
Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
Period:
02-08 July, 2018
ISBN:
978-619-7408-52-2
ISSN:
1314-2704
Conference:
18th International Multidisciplinary Scientific GeoConference SGEM 2018, 02-08 July, 2018
DOI:
10.5593/sgem2018/6.3/S26.021
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