File:16 Foot Transonic Tunnel Turning Vanes DVIDS706451.jpg
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Description16 Foot Transonic Tunnel Turning Vanes DVIDS706451.jpg |
English: A technician prepares to unlatch the door built into the guide vanes of the 16-Foot Transonic Wind Tunnel at NASA Langley Research Center, Hampton, Virginia. The tunnel, one of dozens of research facilities at Langley, was built in 1939 and most recently renovated in 1990. Operating transonically or across the speed of sound, the air in the test section travels from about 150 to 1,000 miles per hour. The tunnel is called the "16-Foot" because its test section is approximately 16 feet in diameter. The guide vanes, which form an ellipse 58-feet high and 82-feet wide, cut across each cylindrical tube at a 45 degree angle. Similar sets of vanes at the three other corners of the wind tunnel turn the air uniformly as it rushes through the 1000-foot race-track-like enclosed tube. If guide vanes were omitted, the air would pile up in dense masses along the outside curves, like water rounding a bend in a fast brook. Turbulent eddies would interfere with the wind tunnel tests, which require a uniform flow of fast, smooth air. The 16-Foot has recently been used to develop new rectangular nozzles. The new two-dimensional nozzles will be able to deflect jet exhaust in any direction. This "thrust vectoring" may allow future military aircraft to either have no tails or very small tails compared to contemporary aircraft. |
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Date | |||
Source |
https://www.dvidshub.net/image/706451
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Author | Glenn Research Center | ||
Location InfoField | WASHINGTON, DC, US | ||
Posted InfoField | 10 October 2012, 15:59 | ||
DVIDS ID InfoField | 706451 | ||
Archive link InfoField | archive copy at the Wayback Machine |
Licensing edit
Public domainPublic domainfalsefalse |
This image is a work of a U.S. military or Department of Defense employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain in the United States.
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current | 16:58, 23 September 2023 | 1,104 × 1,476 (262 KB) | Ariadacapo (talk | contribs) | Cropped 4 % vertically using CropTool with lossless mode (removed white banner) | |
19:51, 3 May 2015 | 1,104 × 1,536 (283 KB) | Fæ (talk | contribs) | == {{int:filedesc}} == {{milim | description = {{en|1=A technician prepares to unlatch the door built into the guide vanes of the 16-Foot Transonic Wind Tunnel at NASA Langley Research Center, Hampton, Virginia. The tunnel, one of dozens of research fa... |
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Author | NASA, Courtesy Photo |
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Headline | 16 Foot Transonic Tunnel Turning Vanes |
Image title | A technician prepares to unlatch the door built into the guide vanes of the 16-Foot Transonic Wind Tunnel at NASA Langley Research Center, Hampton, Virginia. The tunnel, one of dozens of research facilities at Langley, was built in 1939 and most recently renovated in 1990. Operating transonically or across the speed of sound, the air in the test section travels from about 150 to 1,000 miles per hour. The tunnel is called the "16-Foot" because its test section is approximately 16 feet in diameter. The guide vanes, which form an ellipse 58-feet high and 82-feet wide, cut across each cylindrical tube at a 45 degree angle. Similar sets of vanes at the three other corners of the wind tunnel turn the air uniformly as it rushes through the 1000-foot race-track-like enclosed tube. If guide vanes were omitted, the air would pile up in dense masses along the outside curves, like water rounding a bend in a fast brook. Turbulent eddies would interfere with the wind tunnel tests, which require a uniform flow of fast, smooth air. The 16-Foot has recently been used to develop new rectangular nozzles. The new two-dimensional nozzles will be able to deflect jet exhaust in any direction. This "thrust vectoring" may allow future military aircraft to either have no tails or very small tails compared to contemporary aircraft. NASA Identifier: L90-5521 |
City shown | Washington |
Credit/Provider | U.S. Civilian |
Source | Digital |
Copyright holder | Public Domain |
Keywords |
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Province or state shown | D.C. |
Code for country shown | US |
Country shown | US |
Original transmission location code | L90-5521 |