File:19 foot Pressure Wind Tunnel.jpg
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English: Guide vanes in the 19 foot Pressure Wind Tunnel at Langley Aeronautical Laboratory, National Advisory Committee for Aeronautics, form an ellipse 33 feet high and 47 feet wide. The 23 vanes force the air to turn corners smoothly as it rushes through the giant passages. If 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 steady flow of fast, smooth air. |
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| Source | https://flic.kr/p/czu4XU |
| Author | National Advisory Committee for Aeronautics |
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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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This image was originally posted to Flickr by NASA on The Commons at https://flickr.com/photos/44494372@N05/7598845286. It was reviewed on 2017-08-03 20:43:07 by FlickreviewR, who found it to be licensed under the terms of the No known copyright restrictions, which is compatible with the Commons. It is, however, not the same license as given above, and it is unknown whether that license ever was valid. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:09, 5 August 2014 | | 1,536 × 1,153 (219 KB) | Numéro 1963 (talk | contribs) | User created page with UploadWizard |
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