Vortex
A vortex (pl. vortices) is a spinning, often turbulent, flow of fluid. The motion of the fluid swirling rapidly around a center is called a vortex. The speed and rate of rotation of the fluid are greatest at the center and become smaller with distance from the center.
Vortex created by the passage of an aircraft wing, revealed by coloured smoke
Other websites
Wikimedia Commons has media related to Vortex.
- Dust Devil Movie A short movie showing many spinning vortices of varying sizes
- Video of two water vortex rings colliding Archived 2005-12-09 at the Wayback Machine (MPEG)
- BubbleRings.com Web site on "bubble rings", which are underwater rings made of air formed from vortices. The site has some information on how these rings work.
- Chapter 3 Rotational Flows: Circulation and Turbulence Archived 2006-09-05 at the Wayback Machine
- Video of Vortex Formation and Annihilation in a Superconductor (By Joel Thorarinson Archived 2008-10-08 at the Wayback Machine)
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