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Ambiente Construído

On-line version ISSN 1678-8621


OCHOA, Juliana Herlemann; ARAUJO, Daniel Lima  and  SATTLER, Miguel Aloysio. Thermal comfort analysis in classrooms: comparison between technical data and occupants' perception. Ambient. constr. [online]. 2012, vol.12, n.1, pp.91-114. ISSN 1678-8621.

This paper deals with the on-site evaluation of indoor environmental comfort in classrooms of two buildings at the Federal University of Goiás, characterized by different architecture and construction techniques. This study aims to analyze these buildings in order to identify the influence of the construction techniques and physical conformation on environmental performance. The technical data were collected and analyzed according to the type of comfort. The measurements concerning visual comfort were undertaken around the time of the annual solstices and equinoxes. Indoor microclimatic data, i.e. air temperature and relative humidity, were collected over eleven months. A simplified soundscape characterization was performed with the aid of sound pressure levels, which were collected over a whole day, in the midst of daily activities. It was observed that although the buildings have similar solar orientation, the visual and thermal comfort in these buildings were quite different. In addition to the technical evaluations, questionnaires were also applied to the occupants of the classrooms in order to get their perception for each type of comfort. The comparison of the technical data and the occupants' perception shows that the opinions of the occupants were not consistent with the technical results. A discrepancy was identified between the proposal of comfort zones adopted and the occupants' comfort perception in those buildings.

Keywords : Indoor environmental quality; School Buildings; Comfort Perception.

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