Recommendations for the development of a tool for supporting early design decisions for the energy performance of office buildings in hot climates
This paper introduces a method to estimate the influence of architectural design decisions on the building energy performance, during the early stages of the design. The study assumes that early design decisions are the most important and therefore suggests a method of assessment that is non-specifi...
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ANTAC - Associação Nacional de Tecnologia do Ambiente Construído
2008
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ojs-article-36102008-04-18T18:20:19Z Recommendations for the development of a tool for supporting early design decisions for the energy performance of office buildings in hot climates Recomendações para o desenvolvimento de uma ferramenta de suporte às primeiras decisões projetuais visando ao desempenho energético de edificações de escritório em clima quente Pedrini, Aldomar Szokolay, Steven Desempenho Térmico; Projeto; Energia; Arquiteto This paper introduces a method to estimate the influence of architectural design decisions on the building energy performance, during the early stages of the design. The study assumes that early design decisions are the most important and therefore suggests a method of assessment that is non-specific to the whole building geometry although may represent multiple forms and layouts. The tool is based on a graphic interface that is linked to a database, which as initially created to represent the office buildings of Brisbane Australia (warm humid summer and mild winter). The database consists of results of total and end-use electrical energy consumption of approximately 38 000 combinations of 11 variables: geographic orientation, room depth, ceiling height, window-wall ratio, vertical shading angle, horizontal shading angle, glass type, wall construction, day lighting and blinds control, ventilation type and efficiency of building services. The graphic interface allows the qualitative and quantitative study of combined effect of variables and the estimate of the design’s performance to be carried out. Due to the instantaneous access to the data-base by the interface, the consultation takes only a few seconds. Esse artigo apresenta uma proposta para estimar o impacto das decisões arquitetônicas sobre o consumo de energia elétrica durante as primeiras fases do projeto arquitetônico: programa e esboço. A proposta considera as primeiras decisões como as mais importantes e por isso oferece uma ferramenta que pode representar inúmeras soluções de fachada e layout do esboço. Essa ferramenta se baseia numa interface gráfica associada a um banco de dados, resultado da simulação de modelos originalmente criados para representar os projetos de edificações de escritórios de Brisbane, Austrália (clima quente e úmido no verão e temperado no inverno). O banco de dados é formado por resultados de consumo total e uso final de energia elétrica de aproximadamente 38.000 simulações formadas pela combinação de 11 variáveis estrategicamente selecionadas: orientação geográfica, profundidade de sala, pé-direito, fração de janela na parede, ângulo vertical do sombreamento externo, ângulo horizontal do sombreamento externo, tipo de vidro das aberturas, características das paredes, uso de iluminação natural com controle de cortinas, tipos de ventilação e eficiência da instalação predial. A interface gráfica permite o estudo do efeito combinado de variáveis, de forma qualitativa e quantitativa. A estimativa obtida pelo sistema é instantânea, e o tempo de consulta pode ser reduzido a poucos segundos. ANTAC - Associação Nacional de Tecnologia do Ambiente Construído 2008-04-18 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://seer.ufrgs.br/ambienteconstruido/article/view/3610 Ambiente Construído; v. 5, n. 1 (2005): Edição Especial Tecnologia do Ambiente Construído; 29-54 Ambiente Construído; v. 5, n. 1 (2005): Edição Especial Tecnologia do Ambiente Construído; 29-54 Ambiente Construído; v. 5, n. 1 (2005): Edição Especial Tecnologia do Ambiente Construído; 29-54 1678-8621 1415-8876 por https://seer.ufrgs.br/ambienteconstruido/article/view/3610/1992 Direitos autorais 2016 Ambiente Construído https://creativecommons.org/licenses/by/4.0 |
| institution |
Universidade Federal do Rio Grande do Sul |
| collection |
OJS |
| language |
por |
| format |
Online |
| author |
Pedrini, Aldomar Szokolay, Steven |
| spellingShingle |
Pedrini, Aldomar Szokolay, Steven Recommendations for the development of a tool for supporting early design decisions for the energy performance of office buildings in hot climates |
| author_facet |
Pedrini, Aldomar Szokolay, Steven |
| author_sort |
Pedrini, Aldomar |
| title |
Recommendations for the development of a tool for supporting early design decisions for the energy performance of office buildings in hot climates |
| title_short |
Recommendations for the development of a tool for supporting early design decisions for the energy performance of office buildings in hot climates |
| title_full |
Recommendations for the development of a tool for supporting early design decisions for the energy performance of office buildings in hot climates |
| title_fullStr |
Recommendations for the development of a tool for supporting early design decisions for the energy performance of office buildings in hot climates |
| title_full_unstemmed |
Recommendations for the development of a tool for supporting early design decisions for the energy performance of office buildings in hot climates |
| title_sort |
recommendations for the development of a tool for supporting early design decisions for the energy performance of office buildings in hot climates |
| description |
This paper introduces a method to estimate the influence of architectural design decisions on the building energy performance, during the early stages of the design. The study assumes that early design decisions are the most important and therefore suggests a method of assessment that is non-specific to the whole building geometry although may represent multiple forms and layouts. The tool is based on a graphic interface that is linked to a database, which as initially created to represent the office buildings of Brisbane Australia (warm humid summer and mild winter). The database consists of results of total and end-use electrical energy consumption of approximately 38 000 combinations of 11 variables: geographic orientation, room depth, ceiling height, window-wall ratio, vertical shading angle, horizontal shading angle, glass type, wall construction, day lighting and blinds control, ventilation type and efficiency of building services. The graphic interface allows the qualitative and quantitative study of combined effect of variables and the estimate of the design’s performance to be carried out. Due to the instantaneous access to the data-base by the interface, the consultation takes only a few seconds. |
| publisher |
ANTAC - Associação Nacional de Tecnologia do Ambiente Construído |
| publishDate |
2008 |
| url |
https://seer.ufrgs.br/ambienteconstruido/article/view/3610 |
| work_keys_str_mv |
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