Increase in the maximum lift of an airplane wing due to a sudden increase in its effective angle of attack resulting from a gust

One of 1,437 reports in the series: NACA Technical Memorandums available on this site.

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Description

Wind-tunnel tests are described, in which the angle of attack of a wing model was suddenly increased (producing the effect of a vertical gust) and the resulting forces were measured. It was found that the maximum lift coefficient increases in proportion to the rate of increase in the angle of attack. This fact is important for the determination of the gust stresses of airplanes with low wing loading. The results of the calculation of the corrective factor are given for a high-performance glider and a light sport plane of conventional type.

Creation Information

Kramer, Max July 1, 1932.

Context

This report is part of the collection entitled: National Advisory Committee for Aeronautics Collection and one other and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 96 times , with 4 in the last month . More information about this report can be viewed below.

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  • Main Title: Increase in the maximum lift of an airplane wing due to a sudden increase in its effective angle of attack resulting from a gust
  • Series Title: NACA Technical Memorandums

Description

Wind-tunnel tests are described, in which the angle of attack of a wing model was suddenly increased (producing the effect of a vertical gust) and the resulting forces were measured. It was found that the maximum lift coefficient increases in proportion to the rate of increase in the angle of attack. This fact is important for the determination of the gust stresses of airplanes with low wing loading. The results of the calculation of the corrective factor are given for a high-performance glider and a light sport plane of conventional type.

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Identifier

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  • : 93R23658
  • URL: http://hdl.handle.net/2060/19930094738 External Link
  • Report No.: NACA-TM-678
  • Center for AeroSpace Information Number: 19930094738
  • Archival Resource Key: ark:/67531/metadc63582

Collections

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National Advisory Committee for Aeronautics Collection

The National Advisory Committee for Aeronautics (NACA) was a U.S. federal agency founded on March 3, 1915 to undertake, promote, and institutionalize aeronautical research. On October 1, 1958 the agency was dissolved, and its assets and personnel transferred to the newly created National Aeronautics and Space Administration (NASA).

Technical Report Archive and Image Library

This selection of materials from the Technical Report Archive and Image Library (TRAIL) includes hard-to-find reports published by various government agencies. The technical publications contain reports, images, and technical descriptions of research performed for U.S. government agencies. Topics range from mining, desalination, and radiation to broader physics, biology, and chemistry studies. Some reports include maps, foldouts, blueprints, and other oversize materials.

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Creation Date

  • July 1, 1932

Added to The UNT Digital Library

  • Nov. 17, 2011, 5:13 p.m.

Description Last Updated

  • Feb. 6, 2017, 4:10 p.m.

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Citations, Rights, Re-Use

Kramer, Max. Increase in the maximum lift of an airplane wing due to a sudden increase in its effective angle of attack resulting from a gust, report, July 1, 1932; (digital.library.unt.edu/ark:/67531/metadc63582/: accessed December 13, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.