A Body Modification to Reduce Drag Due to Wedge Angle of Wing with Unswept Trailing Edge

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From Summary: "Ward's slender-body-theory formula for zero-lift drag contains three integrals plus a base-drag term. Two of these integral terms depend only upon the cross-sectional area distribution of the body. The third integral term depends only upon the body shape and axial slopes at the base of the body. This term is neglected in the transonic area rule because in many cases it is zero; however, there are also many cases in which it is not zero. This paper examines the term for the possibility of drag reduction for a particular case."

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13 p. : ill.

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Pitts, William C. & Nielsen, Jack Norman July 1958.

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  • Main Title: A Body Modification to Reduce Drag Due to Wedge Angle of Wing with Unswept Trailing Edge
  • Series Title: NACA Technical Notes

Description

From Summary: "Ward's slender-body-theory formula for zero-lift drag contains three integrals plus a base-drag term. Two of these integral terms depend only upon the cross-sectional area distribution of the body. The third integral term depends only upon the body shape and axial slopes at the base of the body. This term is neglected in the transonic area rule because in many cases it is zero; however, there are also many cases in which it is not zero. This paper examines the term for the possibility of drag reduction for a particular case."

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13 p. : ill.

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  • Accession or Local Control No: 89N70031
  • URL: http://hdl.handle.net/2060/19890067658 External Link
  • Report No.: NACA-TN-4277
  • Center for AeroSpace Information Number: 19890067658
  • Archival Resource Key: ark:/67531/metadc53576

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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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  • July 1958

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  • Nov. 11, 2011, 7:22 p.m.

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  • April 2, 2018, 12:12 p.m.

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Pitts, William C. & Nielsen, Jack Norman. A Body Modification to Reduce Drag Due to Wedge Angle of Wing with Unswept Trailing Edge, report, July 1958; (https://digital.library.unt.edu/ark:/67531/metadc53576/: accessed April 24, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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