Effect of Separation Angle on Vortex Streetsby John E.L. Simmons, Research Fellow; Department of Engineering Science, Univ. of Durham, Durham, England; formerly, Cambridge Univ., Engrg. Dept., Cambridge, England,
Serial Information: Journal of the Engineering Mechanics Division, 1975, Vol. 101, Issue 5, Pg. 649-661
Document Type: Journal Paper
Abstract: Experiments were made at a constant Reynolds number of 1.5x104 based on model width to find how the vortex wake of a two-dimensional bluff body was affected by changing the shear layer separation angle. It was found that while each wake could be described using a universal Strouhal number previously defined in the literature, the wakes were not similar in the sense of having a common fixed spacing ratio.It is shown that this is a logical consequence of the stability criterion that is used both to derive the universal Strouhal numbers and to make predictions of the spacing ratios.
Subject Headings: Two-dimensional models | Vortices | Spacing | Reynolds number | Streets
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