File:Vortex-street-1.jpg
Summary
This Landsat 7 image of clouds off the Chilean coast near the Juan Fernandez Islands (also known as the Robinson Crusoe Islands) on September 15, 1999, shows a unique pattern called a "<a href="//commons.wikimedia.org/wiki/Von_K%C3%A1rm%C3%A1n_vortex_street" title="Von Kármán vortex street">von Kármán vortex street</a>." This pattern has long been studied in the laboratory, where the vortices are created by oil flowing past a cylindrical obstacle, making a string of vortices only several tens of centimeters long. Study of this classic "flow past a circular cylinder" has been very important in the understanding of laminar and turbulent fluid flow that controls a wide variety of phenomena, from the lift under an aircraft wing to Earth's weather.
Licensing
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:42, 13 January 2017 | | 2,549 × 4,574 (1.73 MB) | 127.0.0.1 (talk) | This Landsat 7 image of clouds off the Chilean coast near the Juan Fernandez Islands (also known as the Robinson Crusoe Islands) on September 15, 1999, shows a unique pattern called a "<a href="//commons.wikimedia.org/wiki/Von_K%C3%A1rm%C3%A1n_vortex_street" title="Von Kármán vortex street">von Kármán vortex street</a>." This pattern has long been studied in the laboratory, where the vortices are created by oil flowing past a cylindrical obstacle, making a string of vortices only several tens of centimeters long. Study of this classic "flow past a circular cylinder" has been very important in the understanding of laminar and turbulent fluid flow that controls a wide variety of phenomena, from the lift under an aircraft wing to Earth's weather. |
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