Ladawan:Vortex-street-1.jpg

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English: This Landsat 7 image of clouds off the Chilean coast near the Juan Fernández Islands (also known as the Robinson Crusoe Islands) on September 15, 1999, shows a unique pattern called a "von Kármán vortex street." 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. Here, the cylinder is replaced by Alejandro Selkirk Island.
Français : Une allée de tourbillon de Karman dans les nuages provoquée par la rencontre entre du vent et une île des Juan Fernandez. Image prise par le satellite Landsat 7. Ce type de tourbillon est courament étudié au laboratoire, mais dans ce ces, ils ne font que quelques centimètres de long.
עברית: תופעת הערבולים של פון קרמן כפי שנצפתה מעל האי Juan Fernández ליד צ'ילה. האי יוצר הפרעה לרוחות וכך נוצרת התופעה.
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http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=3328, Archive link

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Kagsurat Robert Cahalan, NASA/GSFC
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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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The clouds around Juan Fernandez Islands, showing a von Karman vortex street.

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depicts English

Kármán vortex street English

Juan Fernández Islands English

inception English

15 Setyembre 1999

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presente15:24, 10 Disyembre 2009Thumbnail para sa bersyon kaitong 15:24, 10 Disyembre 20092,549 × 4,574 (1.73 MB)TryphonHigher resolution, losslessly cropped from http://earthobservatory.nasa.gov/images/imagerecords/0/625/vortex_lg.jpg using jpegtran.
06:42, 25 Marso 2005Thumbnail para sa bersyon kaitong 06:42, 25 Marso 20051,393 × 2,500 (1.84 MB)MatthiasKabel{{FPC}} ''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 "von Kármán vortex street." This pattern has long been

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