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Kármán vortex street
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In fluid dynamics, a Kármán vortex street is a repeating pattern of swirling vortices, caused by a process known as vortex shedding, which is responsible for the unsteady separation of flow of a fluid
Visualisation of the vortex street behind a circular cylinder in air (on the left); the flow is made visible through release of glycerol vapour in the
Visualisation of the vortex street behind a circular cylinder in air (on the left); the flow is made visible through release of glycerol vapour in the air near the cylinder
A look at the Kármán vortex street effect from ground level, as air flows quickly from the Pacific Ocean eastward over Mojave Desert mountains. This p
A look at the Kármán vortex street effect from ground level, as air flows quickly from the Pacific Ocean eastward over Mojave Desert mountains. This phenomenon observed from ground level is extremely rare; most cloud-related Kármán vortex street activity is viewed from space.
Chimneys with strakes fitted to break up vortices
Chimneys with strakes fitted to break up vortices
Vortex street 1
Vortex street 1
Vortex shedding
Videos
In fluid dynamics, vortex shedding is an oscillating flow that takes place when a fluid such as air or water flows past a bluff body at certain velocities, depending on the size and shape of the body.
Kármán vortex street
…In fluid dynamics, a Kármán vortex street (or a von Kármán vortex street) is a repeating pattern of swirling vortices, caused by a process known as vortex shedding, which is responsible for the unsteady separation of flow of a fluid around blunt bodies. It is named after the engineer and fluid dynamicist Theodore…
Vortex shedding as winds pass Heard Island (bottom left) in the southern Indian Ocean resulted in this Kármán vortex street in the clouds
Vortex shedding as winds pass Heard Island (bottom left) in the southern Indian Ocean resulted in this Kármán vortex street in the clouds
Regimes of fluid flow across circular cylinder
Regimes of fluid flow across circular cylinder
A helical strake on a chimney stack
A helical strake on a chimney stack
Tuned mass damper on top of a chimney
Tuned mass damper on top of a chimney