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Department of Aeronautics and AstronauticsAA402 Fluid Mechanics
Karman vortex street
behind a circular cylinder at Re=105. The initially spreading wake shown
opposite develops into the two parallel rows of staggered vortices that von
Karman's inviscid theory shows to be stable when the ratio of width to
sreamwise spacing is 0.28. Steaklines are shown by electroytic precipitation
in water. Photograph by Sadatoshi Taneda. Photogragh and text taken from
"An Album of Fluid Motion" by Van Dyke
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