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Assessment tool for thermal performance of social house: envelope considerations

Grant number: 13/16628-9
Support type:Scholarships in Brazil - Master
Effective date (Start): March 01, 2014
Effective date (End): September 30, 2015
Field of knowledge:Applied Social Sciences - Architecture and Town Planning - Architecture and Urbanism Technology
Principal researcher:Karin Maria Soares Chvatal
Grantee:Ana Paula Oliveira Favretto
Home Institution: Instituto de Arquitetura e Urbanismo de São Carlos (IAU). Universidade de São Paulo (USP). São Carlos , SP, Brazil
Associated scholarship(s):14/09226-4 - Development of regression models as an assessment tool for social housing's thermal performance in early design stages: consideration on building envelope, BE.EP.MS


Thermal comfort principles are essential to ensure good quality housing, but in most social housing projects in Brazil, such criteria have not been considered satisfactorily. Detailed computer simulation, that may preditc the performance of constructions in the design stage, are mainly used in the design's final stages to validate decisions already made. Since the high complexity of such tools present difficulties on its application during the early design stages, when they could provide quantitative information to guide de designers' decision making. Simplified simulations, although easy, generate imprecise results, due to its simplification of the complex mechanisms that rules the iterations involved. This research is part of a larger project (to be submitted by the adviser during the year 2013) which aims to develop a tool that is in accordance to the reality of Brazilian bioclimatic zones, being able to provide accurate results, and may be used during the early design stages to evaluate the thermal comfort in social houses. Such tool, consisting of one regression model, will be obtained by regression methods, based on the iteration of a highly detailed simulation software. The Monte Carlo method will be applied to generate the random representative samples, according to the building's type considered, to generate de data that will be used on the regression analysis. This tool will be optimized, ensuring the compatibility of its responses to those obtained by the software EnergyPlus This research will focus on the envelope parameters ensuring that the proposed tool will consider important aspects, such as "U" (transmittance) "a" (absorbance) and "Ct" (thermal capacity), on an integrated manner and with appropriate attention.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
ROSSI, MICHELE MARTA; OLIVEIRA FAVRETTO, ANA PAULA; GRASSI, CAMILA; DECAROLIS, JOSEPH; CHO, SOOLYEON; HILL, DAVID; SOARES CHVATAL, KARIN MARIA; RANJITHAN, RANJI. Metamodels to assess the thermal performance of naturally ventilated, low-cost houses in Brazil. ENERGY AND BUILDINGS, v. 204, . (14/09225-8, 13/16628-9, 14/09226-4, 13/16768-5)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
FAVRETTO, Ana Paula Oliveira. Regression models to assess the thermal performance of Brazilian low-cost houses: consideration of opaque envelope. 2016. Master's Dissertation - Universidade de São Paulo (USP). Escola de Engenharia de São Carlos (EESC/SBD) São Carlos.

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