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THE IMPACT OF NIGHT-TIME PRE-COOLING ON THERMAL COMFORT IN A FAMILY HOUSE
Abstract
The content of paper is theoretical case study of family house where the impact of night pre-cooling on operative temperature is analysed. The living space under pitched roof was selected for case study purposes. There are compared two types of building constructions. On the one hand side there is the wooden lightweight construction and on the other hand side there is the heavyweight construction made of reinforced concrete. The mechanical ventilation system provides for the required air change rate in living space during whole day continually. The required air change rate was calculated according to technical standard STN EN 15251. The results from energy simulation show positive impact of night pre-cooling in combination with heavyweight construction on max daytime operative temperature in living space in comparison with lightweight construction. The results are output from dynamic energy simulation tool DesignBuilder, version 4. There were used the hourly simulation weather data (IWEC) for Kosice from EnergyPlus database.
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References7
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STN 73 0540-3 Thermal protection of buildings. Thermal performance of buildings and components. Part 3: Properties of environments and building products, TSUS, Bratislava, 2013.
STN EN 15251 Indoor environmental input parameters for design and assessment of energy performance of buildings – addressing indoor air quality, thermal environment, lighting and acoustics, SÚTN, Bratislava, 2007.
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