Journal of Fluid Mechanics

The effects of wake splitter plates on the flow past a circular cylinder in the range 104<R<5×104

C. J.  Apelt a1, G. S.  West a1 and Albin A.  Szewczyk a2
a1 University of Queensland, Brisbane
a2 University of Notre Dame, Indiana

Article author query
apelt cj   [Google Scholar] 
west gs   [Google Scholar] 
szewczyk aa   [Google Scholar] 


Experiments were carried out using models having L/D [less-than-or-eq, slant] 2 and the resulting pressure distributions and vortex shedding characteristics are presented. A simple visualization technique which provides explanations of some of the measured results is described. It is concluded that splitter planes reduce the drag markedly by stabilizing the separation points and produce a wake narrower than that for a plain cylinder, raise the base pressure by as much as 50% and affect the Strouhal number to a lesser degree. Careful measurement techniques have enabled these effects to be presented accurately.

(Published Online March 29 2006)
(Received May 3 1973)