Determination of vortex paths by series expansion technique with application to cruciform wings

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Description

A series method of determining two-dimensional vortex paths is considered and applied to the computation of vortex positions behind a slender equal-span cruciform wing at any angle of bank as a function of the distance behind the trailing edge. Calculated paths are shown for four bank angles. For a bank angle of 45 degrees comparison is made with the results of a closed expression given in NACA-TN-2605. For other bank angles water-tank experiments provide qualitative comparison. Satisfactory agreement is found for a sufficient distance downstream to include most practical missile-tail positions. The interference forces on an equal-span cruciform wing are … continued below

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693 - 707 p. : ill.

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Alksne, Alberta Y. February 8, 1956.

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This report is part of the collection entitled: National Advisory Committee for Aeronautics Collection and was provided by the UNT Libraries Government Documents Department to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 84 times. More information about this report can be viewed below.

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  • Main Title: Determination of vortex paths by series expansion technique with application to cruciform wings
  • Series Title: NACA Technical Reports

Description

A series method of determining two-dimensional vortex paths is considered and applied to the computation of vortex positions behind a slender equal-span cruciform wing at any angle of bank as a function of the distance behind the trailing edge. Calculated paths are shown for four bank angles. For a bank angle of 45 degrees comparison is made with the results of a closed expression given in NACA-TN-2605. For other bank angles water-tank experiments provide qualitative comparison. Satisfactory agreement is found for a sufficient distance downstream to include most practical missile-tail positions. The interference forces on an equal-span cruciform wing are calculated for five angles of bank (including the trivial case of zero bank) from the vortex positions found by use of the series.

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693 - 707 p. : ill.

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  • Accession or Local Control No: 93R21593
  • URL: http://hdl.handle.net/2060/19930092303 External Link
  • Report No.: NACA-TR-1311
  • Center for AeroSpace Information Number: 19930092303
  • Archival Resource Key: ark:/67531/metadc60708

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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).

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The Technical Report Archive & Image Library (TRAIL) identifies, acquires, catalogs, digitizes and provides unrestricted access to U.S. government agency technical reports. The mission of TRAIL is to ensure preservation, discoverability, and persistent open access to government technical publications regardless of form or format.

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  • February 8, 1956

Added to The UNT Digital Library

  • Nov. 17, 2011, 5:13 p.m.

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  • July 12, 2018, 11:56 a.m.

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Alksne, Alberta Y. Determination of vortex paths by series expansion technique with application to cruciform wings, report, February 8, 1956; (https://digital.library.unt.edu/ark:/67531/metadc60708/: accessed April 19, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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