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Woods, Andrew; Chenvidyakarm, Torwong; Short, Alan. Reversing flow in a naturally ventilated building with multiple stacks. In: CONFERENCE ON PASSIVE AND LOW ENERGY ARCHITECTURE, 20., 2003, Santiago do Chile. Anais... Santiago do Chile, 2003.
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Número de Trabalhos: 1 (Nenhum com arquivo PDF disponível)
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Dados do autor na base InfoHab:
Número de Trabalhos: 1 (Nenhum com arquivo PDF disponível)
Citações: Nenhuma citação encontrada
Índice h: Indice h não calculado  
Co-autores: Nenhum co-autor encontrado

Abstract

We describe the ventilation flow which may develop in a building with multiple stacks, with the work motivated by the design of the proposed UCL SSEES building in central London (Short and Associates). We present some laboratory experiments and a theoretical model of the flow regimes. We identify that under identical conditions, the natural ventilation flow may involve inflow through a lower opening in the building and outflow through all the stacks, but alternatively, it may involve inflow through some stacks and outflow through others, unless they are designed to prevent inflow. The different ventilation regimes lead to different flow rates and internal temperatures even though there is the same internal heat load and vent settings. Recognition of such multiple flow regimes may lead to changes in the design of the stacks, particularly the height and the air-flow coupling between the stacks. It may also help in the selection and interpretation of temperature data used in the control of the building environment.
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