首页|Exploring the impact of evaluation methods on Global South building design—A case study in Brazil

Exploring the impact of evaluation methods on Global South building design—A case study in Brazil

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Energy simulation is a valuable tool for evaluating and improving the thermal performance and energy efficiency of buildings during the design phase.Common evaluation methods are thermal load(TL),degree-hour(DH),and design days(DD).The choice of method and its settings may vary depending on regional factors and researchers'preferences,leading to diverse and often incompatible metrics and results.Therefore,this study aims to investigate the influence of these evaluation methods on the assessment of buildings'performance and,consequently,on design choices.For this purpose,this study compared the results of the 3 evaluation methods and different settings for 3 different wall systems,4 ranges of comfort temperature,and 2 residential models located in the 8 Brazilian bioclimatic zones.As result,the best and worst wall systems varied depending on the evaluation method and the threshold/setpoint temperature range considered.Warmer regions showed greater variability in the results.We noticed that it is not possible to compare and interpret results from different evaluation methods,and that the variation of only 1 ℃ in the setpoint temperatures can lead to entirely different practices being considered the best for a given building model.In conclusion,the most suitable evaluation method is the one that best portrays the operation and dynamic reality of the building to be designed,and building regulations and standards can occasionally lead to unrealistic assessments.

energy efficiencyenergy simulationEnergyPlusthermal loaddegree-hourdesign days

Vítor Freitas Mendes、Alexandre Santana Cruz、Adriano Pinto Gomes、Julia Castro Mendes

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Programa de Pós-Graduação em Engenharia Civil(PROPEC),Universidade Federal de Ouro Preto(UFOP).Ouro Preto,Minas Gerais,CEP 35400-000,Brazil

Instituto Federal de Educação,Ciência e Tecnologia de Minas Gerais(IFMG)-Campus Santa Luzia.Santa Luzia,Minas Gerais,CEP 33115-390,Brazil

Programa de Pós-graduação em Arquitetura(PROARQ),Universidade Federal do Rio de Janeiro(UFRJ).Rio de Janeiro,Rio de Janeiro,CEP 21941-972,Brazil

Área de Desenho e Projeto,Instituto Federal de Minas Gerais(IFMG)-campus Ouro Preto.Ouro Preto,Minas Gerais,CEP 35400-000,Brazil

Programa de Pós-Graduação em Engenharia Civil(PEC),Universidade Federal de Juiz de Fora(UFJF).Juiz de Fora,Minas Gerais,CEP 36036-900,Brazil

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2024

10.1007/s12273-024-1160-3

建筑模拟(英文版)

建筑模拟(英文版)

EI
ISSN：1996-3599
年,卷(期)：2024.17(10)