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PIV Measurements in the Wake of a Cactus Shaped Cylinder

[+] Author Affiliations
W. Karaki, J. Abboud, N. Daher, M. Osman, G. Oweis

American University of Beirut, Beirut, Lebanon

Paper No. IMECE2008-67405, pp. 2003-2007; 5 pages
  • ASME 2008 International Mechanical Engineering Congress and Exposition
  • Volume 10: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B, and C
  • Boston, Massachusetts, USA, October 31–November 6, 2008
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4871-5 | eISBN: 978-0-7918-3840-2
  • Copyright © 2008 by ASME


The flow field past a cylindrical model with a cactus-shaped cross section is investigated in a wind tunnel. The velocity field in the immediate wake just aft of the cylinder and the surface pressure distribution are measured. The data from the cactus model are compared to a similar model with a circular section. The mean flow patterns have generally a similar form for the two geometries. However, there are differences in the surface pressure distribution and the turbulent velocity levels in the wake.

Copyright © 2008 by ASME



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