In low-speed external flow over a bluff object, vortices areshed from the object (as
Chapter 7, Problem 7.70(choose chapter or problem)
In low-speed external flow over a bluff object, vortices areshed from the object (as shown in Fig. P7.70). The frequencyof vortex shedding, f 1/T, depends on , , V, and d. Make adimensional analysis of this phenomenon. Transform the dimensionlessparameters that you developed into standard parameters.What are their names? Two identically shaped objects witha size ratio 2:1 are tested in air flow. What velocity ratio is necessaryfor dynamic similarity? What is the ratio of vortex-sheddingfrequencies?
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