File:Model of 5-Foot Vertical Wind Tunnel (7598841878).jpg
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[edit]DescriptionModel of 5-Foot Vertical Wind Tunnel (7598841878).jpg |
Description Model of 5-Foot Vertical Wind Tunnel. Carl Wenzinger and Thomas Harris wrote in NACA TR 387: "The vertical open-throat wind tunnel of the National Advisory Committee for Aeronautics ... was built mainly for studying the spinning characteristics of airplane models, but may be used as well for the usual types of wind-tunnel tests. A special spinning balance is being developed to measure the desired forces and moments with the model simulating the actual spin of an airplane. Satisfactory air flow has been attained with a velocity that is uniform over the jet to within 0.5 per cent. The turbulence present in the tunnel has been compared with that of several other tunnels by means of the results of sphere drag tests and was found to average well with the values of those tunnels. Included also in the report are comparisons of results of stable autorotation and of rolling-moment tests obtained both in the vertical tunnel and in the old horizontal 5-foot atmospheric tunnel." The design of a vertical tunnel having a 5-foot diameter jet was accordingly started by the National Advisory Committee for Aeronautics in 1928. Actual construction of the new tunnel was completed in 1930, and the calibration tests were then made. Center: LARC Image # : 1999-00344 Date: January 11, 1930 |
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Source | Model of 5-Foot Vertical Wind Tunnel |
Author | NASA on The Commons |
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NASA on The Commons @ Flickr Commons |
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This image was originally posted to Flickr by NASA on The Commons at https://flickr.com/photos/44494372@N05/7598841878. It was reviewed on 15 September 2016 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions. |
15 September 2016
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