Análise de estratégias para melhoria do conforto térmico em salas de aulas
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Data
2016-08-31
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Universidade Federal de Goiás
Resumo
The unsatisfactory thermal performance of buildings belonging to higher education institutions in
Brazil cause users discomfort in classrooms and affect student performance. To ensure the well-
being to the user, the use of mechanical systems for cooling of environments such as the use of air
conditioners is necessary to reduce air temperature indoor, by one hand, and increase the energy
expenditure of the building by about 50%, by the other side. This study analyses thermal comfort
and energy efficiency in the School of Civil Engineering and Environmental UFG through
measurements "in loco" and the perception of the users as well as by computer simulation. The
methodology consists of: a) analysis of architectural design; b) lifting climatic summer data on air
temperature and humidity within the classroom, and the views of users in three different situations
- with open windows and doors and on evaporative air conditioner, open windows and doors and
natural ventilation, and windows and doors closed and air conditioning on -; c) treatment of
climatic data; d) comparison of the collected results and the perception of the users; e) evaluation
thermal energy by computer simulation and prescriptive method of RTQ-C. They interviewed 200
users. About 83.3% of respondents were dissatisfied in the situation with natural ventilation, 68.5%
in the situation on evaporative air conditioner and 70.2% in the situation with air conditioning on.
Although the results suggest that the situation using air conditioners is the most comfortable, the
number of users who feel uncomfortable is very high in all situations, not meeting the levels
recommended by the ISO 7730 (2005).
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Citação
CHAVES, Victor Leandro Arantes. Análise de estratégias para melhoria do conforto térmico em salas de aulas. 2016. 98 f. Dissertação (Mestrado em Geotecnia, Estruturas e Construção Civil) - Universidade Federal de Goiás, Goiânia, 2016.