Validation and review of grouping of Brazilian cities in degrees-days of heating and cooling

Authors

DOI:

https://doi.org/10.5935/cadernospos.v23n1p70-90

Keywords:

Climatic change; Degree days of heating and cooling; Grouping; Climatic classification.

Abstract

Estimating energy consumption for environment conditioning is a key point in determining the energy consumption of a building. The energy required for air conditioning can be used to quantify the climatic rigor of a given location. However, Brazil does not have technical standards and/or zoning established by a calculation method for the definition of degrees-days. This paper aims to present the update of the proposal of zoning based on degree-day, elaborated by Stensjö, Ferreira e Loura (2017), from data from 317 Brazilian cities using the Climatological Normals (1961-1990). The classification of the new set of Climatological Normals for the period from 1981 to 2010 undertests adjustments in the process of defining the base temperature for degrees-days of heating. For the development, the proposed method and the same references used by Stensjö, Ferreira and Loura (2017) were followed to establish the base temperatures, calculations of degree-days and grouping. Regarding classification, the article investigates three possibilities to identify the most appropriate one for the new database. The results demonstrated the robustness of the method, allowed refinement of the classification process, as well as the identification of energy demand trends for Brazilian homes.

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Author Biography

Rejane Magiag Loura, Universidade Federal de Minas Gerais

Graduated in Architecture and Urbanism from the Federal University of Minas Gerais (2003), Master's and Doctorate in Nuclear Sciences and Techniques from the Federal University of Minas Gerais (2006 and 2012). She is currently an associate professor at the Federal University of Minas Gerais working in the Undergraduate courses in Architecture and Urbanism and in the Graduate Program in Built Environment and Sustainable Heritage. She coordinates the COMPasso UFMG Extension Program. The main topic of interest is the computer-aided decision process for an integrated approach to energy efficiency, environmental comfort and construction technology, with a view to building and city resilience in the face of climate change.

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Published

2023-06-30

How to Cite

CARVALHO FERREIRA, C.; MAGIAG LOURA, R. Validation and review of grouping of Brazilian cities in degrees-days of heating and cooling. Graduate Journal in Architecture and Urbanism, [S. l.], v. 23, n. 1, p. 70–90, 2023. DOI: 10.5935/cadernospos.v23n1p70-90. Disponível em: http://editorarevistas.mackenzie.br/index.php/cpgau/article/view/15475. Acesso em: 7 apr. 2025.

Issue

Vol. 23 No. 1 (2023)

Section

Papers

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Copyright (c) 2023 Camila Carvalho Ferreira, Rejane Magiag Loura

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