A periodic Krmn vortex street is formed when auniform stream flows over a circular

Chapter 7, Problem 7-49

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A periodic Krmn vortex street is formed when auniform stream flows over a circular cylinder (Fig. P749).Use the method of repeating variables to generate a dimensionlessrelationship for Krmn vortex shedding frequency fkas a function of free-stream speed V, fluid density r, fluidviscosity m, and cylinder diameter D. Show all your work.Answer: St 5 f (Re)r, mVD

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