Whirlpool
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A whirlpool is a body of rotating water produced by opposing currents or a current running into an obstacle. Miniature whirlpools form when a bath or a sink is draining. More powerful ones formed in s
The Gulf of Corryvreckan whirlpool in Scotland is the third-largest whirlpool in the world.
A whirlpool in a glass of water
Saltstraumen
Corryvreckan whirlpool
Vortex
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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,
Whirlpool
…Miniature whirlpools form when a bath or a sink is draining. More powerful ones formed in seas or oceans may be called maelstroms ( MAYL-strom, -strəm). Vortex is the proper term for a whirlpool that has a downdraft. In narrow ocean straits with fast flowing water, whirlpools are often caused by tides. Many…
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 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 aircraft.
Saturn's north polar vortex