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Visualisation of the vortex street behind a circular cylinder in air; the flow is made visible through release of glycerol vapour in the air near the cylinder. 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 ...
Vortex shedding as winds pass Heard Island (bottom left) in the southern Indian Ocean resulted in this Kármán vortex street in the clouds In fluid dynamics , vortex shedding is an oscillating flow that takes place when a fluid such as air or water flows past a bluff (as opposed to streamlined) body at certain velocities, depending on the size ...
Vortex created by the passage of an aircraft wing, revealed by colored smoke Von Karman vortex street behind a drinking straw. Milk was poured into the water to make the current visible. A Kármán vortex street is demonstrated in this photo, as winds from the west blow onto clouds that have formed over the mountains in the desert. This ...
In physics, physical chemistry and engineering, fluid dynamics is a subdiscipline of fluid mechanics that describes the flow of fluids – liquids and gases.It has several subdisciplines, including aerodynamics (the study of air and other gases in motion) and hydrodynamics (the study of water and other liquids in motion).
The maximum elevations of Juan Fernández, 915 m (3,002 ft) for Robinson Crusoe and 1,329 m (4,360 ft) for Alejandro Selkirk, respectively, are high enough to cause the phenomenon known as Kármán vortex street, which can be seen from space.
A Chinese hack compromised even more U.S. telecoms than previously known, including Charter Communications, Consolidated Communications and Windstream, the Wall Street Journal reported late on ...
The concept is based on the idea that aerodynamic instability phenomena, such as Kármán vortex street, flutter, galloping and buffeting, can be driven into a controlled motion and be used to extract energy from the flow, becoming an alternative approach for wind power generation systems.
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