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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.
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
Vortex
Videos
In fluid dynamics, a vortex is a region in a fluid in which the flow revolves around an axis line, which may be straight or curved. Vortices form in stirred fluids and may be observed in smoke rings,
Vortex shedding
…as air or water flows past a bluff (as opposed to streamlined) body at certain velocities, depending on the size and shape of the body. In this flow, vortices are created at the back of the body and detach periodically from either side of the body forming a Kármán vortex street. The fluid flow past the object…
Vortex created by the passage of an aircraft wing, revealed by colored smoke
Vortex created by the passage of an aircraft wing, revealed by colored smoke
A Kármán vortex street is shown in this photo, as winds from the west blow onto clouds that have formed over the mountains in the desert. This phenome
A Kármán vortex street is shown in this photo, as winds from the west blow onto clouds that have formed over the mountains in the desert. This phenomenon observed from ground level is extremely rare, as most cloud-related Kármán vortex street activity is viewed from space.
The Crow instability of a jet aeroplane's contrail visually demonstrates the vortex created in the atmosphere (gas fluid medium) by the passage of the
The Crow instability of a jet aeroplane's contrail visually demonstrates the vortex created in the atmosphere (gas fluid medium) by the passage of the aircraft.
Saturn's north polar vortex
Saturn's north polar vortex