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  • Author or Editor: I. Csáky x
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Abstract

Nowadays the facades of newly built buildings have significant glazed surfaces. The solar gains in these buildings can produce discomfort caused by direct solar radiation on the one hand and by the higher indoor air temperature on the other hand. The amplitude of the indoor air temperature variation depends on the glazed area, orientation of the facade and heat storage capacity of the building. This paper presents the results of a simulation, which were made in the Passol Laboratory of University of Debrecen in order to define the internal temperature variation. The simulation proved that the highest amplitudes of the internal temperature are obtained for East orientation of the facade. The upper acceptable limit of the internal air temperature is exceeded for each analyzed orientation: North, South, East, West. Comparing different building structures, according to the obtained results, in case of the heavy structure more cooling hours are obtained, but the energy consumption for cooling is lower.

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In different Comfort Standards, for different building functions the requirements for summer and also for winter period differ. The operative temperature is one of these parameters, which in different Comfort Standards for summer-winter period specifies the building's comfort category.

This paper presents the results of measurement of the operative temperature in PASSOL laboratory with different heat storage and using night ventilation.

Open access