wakes and vortex shedding
"Wakes and vortex shedding" refers to the phenomena that occur when an object (such as a cylinder or aircraft) moves through a fluid. A wake is the disturbed flow pattern or turbulence created by the object's passage, while vortex shedding refers to the formation and shedding of vortices or spinning air currents in the wake. These vortices can have significant effects on the object's stability, lift, and drag, making them important considerations in various engineering applications.
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