Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Turbulent wind flow patterns and pressure fields across a tall building
Two-dimensional numerical simulation of turbulent air flows across the higher sections of a tall rectangular building using the kappa-epsilon turbulence model is presented in this paper. The building is modeled by a rectangular prism. Details of flow recirculation, pressure distribution and friction coefficient fields are developed for the Reynolds number range of Re <= 106. Flow patterns, constant pressure contours and velocity vector fields for the building leading edges, building surfaces and the wake region are fully developed. It is found that for turbulent wind flow across tall buildings, where the flow is nearly uniform, the pressure distribution is strongly dependent on the flow direction and less on the flow Reynolds number. In this type of separated and reattached flow, the length of flow reattachment in the forward side decreases with angle of attack.
Turbulent wind flow patterns and pressure fields across a tall building
Two-dimensional numerical simulation of turbulent air flows across the higher sections of a tall rectangular building using the kappa-epsilon turbulence model is presented in this paper. The building is modeled by a rectangular prism. Details of flow recirculation, pressure distribution and friction coefficient fields are developed for the Reynolds number range of Re <= 106. Flow patterns, constant pressure contours and velocity vector fields for the building leading edges, building surfaces and the wake region are fully developed. It is found that for turbulent wind flow across tall buildings, where the flow is nearly uniform, the pressure distribution is strongly dependent on the flow direction and less on the flow Reynolds number. In this type of separated and reattached flow, the length of flow reattachment in the forward side decreases with angle of attack.
Turbulent wind flow patterns and pressure fields across a tall building
Turbulente Windströmungsbilder und Druckfelder um ein Hochhaus
Rahnema, M. (Autor:in) / Yaghoubi, M. (Autor:in) / Sabzervari, A. (Autor:in)
Wind Engineering ; 20 ; 241-257
1996
17 Seiten, 9 Bilder, 24 Quellen
Aufsatz (Zeitschrift)
Englisch
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