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|Title:||Three-dimensional natural convection in rooms connected to the outside through large openings|
|Authors:||Ramos, João António Esteves|
Martinho, N. A. G.
Pitarma, Rui A.
Carvalho, Maria da Graça
|Citation:||RAMOS, J. A. E. e outros - Three-dimensional natural convection in rooms connected to the outside through large openings. In: 8th International Conference on Air Distribution in Rooms. Copenhagen: [s.n.], 2002. pp. 609-612-|
|Abstract:||The growing interest in the study of natural convection in geometrically complex enclosures with restricted communication has been stimulated by applications involving energy-efficient passive-solar buildings, natural convection cooling of electronic equipment and room heating and ventilation. Airflow through doorways, windows and other large openings are significant ways in which air, pollutants and thermal energy are transferred from one zone of a building to another or to outside. The present paper describes a numerical method for analysing three-dimensional natural convection in rooms connected to the outside through large openings. The calculations made use of a Computational Fluid Dynamics (CDF) procedure taking into account the effects of buoyancy, heat sources, thermal radiation heat transfer and air flow turbulence. The CDF predictions agree with the experimentally observed features of the flow field, including the vertical air temperature stratification, with a reasonable degree of accuracy.|
|Appears in Collections:||Comunicações em conferências e congressos internacionais|
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