Thermal comfort in public schools:
A case study at José Quintella Cavalcanti school
DOI:
https://doi.org/10.46421/entac.v20i1.6263Keywords:
ASHRAE Standard 55, Thermal comfort, CBE Thermal Comfort Tool, Public schools, SimulationAbstract
Recent studies point to an intrinsic link between the thermal comfort offered by the environment and the levels of concentration and learning achieved by its users. In public educational institutions, where budget restrictions often make the use of artificial air conditioning prohibitive, achieving thermal comfort depends primarily on passive air conditioning strategies, such as natural ventilation. The aim of this study was to evaluate the impact of air velocity on thermal comfort in a classroom at the Quintella Cavalcanti school, located in Arapiraca-AL, based on on-site temperature measurements, using the CBE Thermal Comfort Tool to estimate adaptive comfort in accordance with ASHRAE Standard 55. On-site measurements were taken during the hot season and the PMV/PPD indices were calculated. Under zero air velocity, there was a feeling of discomfort. Estimates of the effect of air movement indicated that thermal comfort would be achieved, with a cooling effect of up to 2.3°C. The importance of using the principles of bioclimatic adaptation in buildings to provide thermal comfort for occupants is highlighted.
References
ASHRAE Standard 55. RAMSPECK, Claire B. et al. Thermal environmental conditions for human occupancy. Atlanta: American Society of Heating, Refrigerating and Air-Conditioning Engineers, 2004.
MENDELL, M. J.; HEATH, G. A. Do indoor pollutants and thermal conditions in schools influence student performance? Indoor Air, v. 15, n. 1, p. 27-52, 2005. DOI: https://doi.org/10.1111/j.1600-0668.2004.00320.x. Acesso em: 25 nov. 2023.
LAMBERTS, R.; GHISI, E.; PAPST, A. L. Desempenho térmico de edificações. LabEEE, Universidade Federal de Santa Catarina, 2000.
BATISTA, J. O. A arquitetura e seu desempenho térmico no contexto do semiárido alagoano: estudos de caso em Santana do Ipanema-AL. Dissertação (Mestrado em Arquitetura e Urbanismo) – Universidade Federal de Santa Catarina, Santa Catarina, 2006.
NOGUEIRA, M. C. J. A. et al. Conforto térmico na escola pública em Cuiabá-MT: estudo de caso. Revista Eletrônica em Educação Ambiental, Rio Grande, RS, v. 14, p. 37-49, 2005. ISSN: 1517-1256.
VASCONCELOS, D. B. Avaliação das condições de conforto ambiental em escolas da rede pública: estudo de caso em Arapiraca-AL. Dissertação (Mestrado em Arquitetura e Urbanismo) – Universidade Federal do Rio Grande do Norte, Rio Grande do Norte, 2018.
NUNES, A.M. L. A. et al. Intensidade e direção predominante de ventos e precipitação no Agreste Alagoano. In: Encontro Nacional de Conforto no Ambiente Construído, v. 15, p. 718-727, 2019.
Cálculo da Propriedades Psicrométricas do Ar. Disponível em: https://www.agais.com/toolbox/psicrometria3.php. Acesso em: 24 nov. 2023.
CBE Thermal Comfort Tool. Disponível em: https://comfort.cbe.berkeley.edu/. Acesso em: 11 dez. 2023.