Development of an integral model for the dispersion of hot and moist gases

• Tipo: Artigo em Livro de Atas de Conferência Internacional
• Data: 1996

Autores

Teixeira, MAC (Autor) Outra; Miranda, PMA (Autor) Outra

Ata de Conferência Internacional

Título: AIR POLLUTION IV: MONITORING, SIMULATION AND CONTROL

Páginas: 89-98

4th International Conference on Air Pollution - Monitoring, Simulation and Control (Air Pollution 96)

TOULOUSE, FRANCE, AUG 28-30, 1996

Indexação

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Outras Informações

ID Authenticus: P-001-EYZ

Abstract (EN): Buoyant plumes can be simulated with reasonable accuracy and simplicity using integral models. This paper attempts to analyze some aspects of buoyant plume dispersion using one of the most sophisticated integral models available, developed by Schatzmann. The model is studied in some detail and compared to a slightly different version, proposed by Davidson. It is found that differences put in the establishment of the two models lead to significant changes in the plume behaviour. Some modifications to Schatzmann's model are suggested, in which sheared wind, radiation, moisture and phase transitions are taken into account. Finally, an alternative, simpler, turbulence closure is proposed for the parametrization of entrainment, which is the strongest constraint on the performance of any plume model but also its less well founded aspect.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 10