File:Vortex-street-1.jpg
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Изворна податотека (2.549 × 4.574 пиксели, големина: 1,73 МБ, MIME-тип: image/jpeg)
Описи
ОписVortex-street-1.jpg |
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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Датум | |||||||
Извор |
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=3328, Archive link |
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Автор | Robert Cahalan, NASA/GSFC | ||||||
Дозвола (Повторно користење на податотекава) |
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Историја на податотеката
Стиснете на датум/време за да ја видите податотеката како изгледала тогаш.
Датум/време | Минијатура | Димензии | Корисник | Коментар | |
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тековна | 15:24, 10 декември 2009 | 2.549 × 4.574 (1,73 МБ) | Tryphon (разговор | придонеси) | Higher resolution, losslessly cropped from http://earthobservatory.nasa.gov/images/imagerecords/0/625/vortex_lg.jpg using jpegtran. | |
06:42, 25 март 2005 | 1.393 × 2.500 (1,84 МБ) | MatthiasKabel (разговор | придонеси) | {{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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Употреба на податотеката
Податотекава се користи во следниве 29 страници:
- Featured Photographs in the Public Domain
- Von Kármán vortex street
- Wind
- User:Dronebogus/Favorites
- User:Einstein2/Budapest/2020 January 11-20
- User:Lupo/iat
- User:Mattes/Favorite files/Images/B/Nature
- User:Sarcastic ShockwaveLover/FP Nominees
- User:Scansopteryx
- User talk:MatthiasKabel/archiv
- User talk:Sarcastic ShockwaveLover/Archive 2
- Commons:Featured picture candidates/File:Vortex-street-1.jpg
- Commons:Featured picture candidates/Log/December 2009
- Commons:Featured pictures/Places/Satellite images
- Commons:Featured pictures/chronological/2009-B
- Commons:Picture of the Year/2009/Galleries/2009-B
- Commons:Picture of the Year/2009/Galleries/All
- Commons:Picture of the Year/2009/Galleries/Index/17
- Commons:Picture of the Year/2009/Galleries/Index/Nature views
- Commons:Picture of the Year/2009/Galleries/Nature views
- Commons:Picture of the Year/2009/Galleries/Nature views/2
- Commons:Picture of the Year/2009/Galleries/Table/200912
- Commons:Picture of the Year/2009/R1/File:Vortex-street-1.jpg
- Commons:Picture of the Year/2009/Results/R1/ALL/Table
- Commons:Picture of the Year/2009/Results/R1/Nature views
- Commons:Picture of the Year/2009/Results/R1/Nature views/Table
- Commons:WikiProject Aviation/recent uploads/2020 January 18
- File:תופעת הערבולים של פון קרמן.jpg (пренасочување)
- Category:Von Kármán vortex streets
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- Juan Fernández Islands
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- Talk:Turbulence
- Kármán vortex street
- Wikipedia:Featured picture candidates/Von Kármán vortex street
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- User talk:Brian0918/Free images
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- Wikipedia:Featured picture candidates/Kármán vortex street
- Wikipedia:Featured pictures thumbs/77
- Template:POTD/2023-08-11
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