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流动显示和图像处理期刊
SJR: 0.161 SNIP: 0.312 CiteScore™: 0.5

ISSN 打印: 1065-3090
ISSN 在线: 1940-4336

流动显示和图像处理期刊

DOI: 10.1615/JFlowVisImageProc.v10.i12.30
22 pages

NUMERICAL AND EXPERIMENTAL VISUALIZATION OF THE FLOW OVER BLUFF BODIES

Gérard J. Poitras
Faculte d’ingenierie, Université de Moncton, New Brunswick, Canada, E1A 3E9
L.-E. Brizzi
Laboratoire d’etudes aerodynamiques, UMR 6609 SP2MI, Boulevard Marie et Pierre Curie, Teleport 2 BP 30179 86962, Futuroscope Chasseneuil, France; Université de Poitiers ENSMA, Futuroscope Chasseneuil, France
Y. Gagnon
Faculte des etudes superieures et de la recherche, Universite de Moncton, Moncton, NB, Canada, E1A 3E9

ABSTRACT

The flow around several bluff bodies is studied both numerically and experimentally. The flow is simulated using a mixed Eulerian–Lagrangian numerical algorithm based on Vortex Methods. This method allows the study of the unsteady flow dynamics by using instantaneous numerical velocity and vorticity fields. However, only the mean two-dimensional flow is analyzed in this paper. Furthermore, experimental flow visualization using laser light sheet and Particle Image Velocimetry are performed on the same geometries inside a water channel. Several configurations are studied at different Reynolds numbers and a comparison of the numerical results with the experimental results is presented. The numerical results show good agreement with the experimental results and with other studies.


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