TIL: The Theodore von Kármán’s Vortex Street

The term Kármán Vortex Street

(or a von Kármán vortex street) is used in fluid dynamics to describe a repeating pattern of swirling vortices caused by the unsteady separation of flow of a fluid over bluff bodies.

It is named after the engineer and fluid dynamicist, Theodore von Kármán and is responsible for such phenomena as the “singing” of suspended telephone or power lines, and the vibration of a car antenna at certain speeds.

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