Design and experimental results for a Natural-Laminar-Flow airfoil for general aviation application

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050 4 ‡aTL521.3 ‡b.N18 no. 1861
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100 1 ‡aSomers, Dan M.
245 1 0 ‡aDesign and experimental results for a Natural-Laminar-Flow airfoil for general aviation application / ‡cDan M. Somers.
260 ‡aWashington, D.C. : ‡bNational Aeronautics and Space Administration, Scientific and Technical Information Branch ; ‡a[Springfield, Va. : ‡bFor sale by the National Technical Information Service], ‡c1981.
300 ‡a101 p. : ‡bill. ; ‡c27 cm.
490 0 ‡aNASA technical paper ; ‡v1861
500 ‡a"June 1981 -- Cover.
500 ‡a"Langley Research Center."
504 ‡aEncludes bibliographical references.
520 ‡aA natural-laminar-flow airfoil for general aviation applications, the NLF(1)-0416, was designed and analyzed theoretically and verified experimentally in the Langley Low-Turbulence Pressure Tunnel. The basic objective of combining the high maximum lift of the NASA low-speed airfoils with the low cruise drag of the NACA 6-series airfoils was achieved. The safety requirement that the maximum lift coefficient not be significantly affected with transition fixed near the leading edge was also met. Comparisons of the theoretical and experimental results show excellent agreement. Comparisons with other airfoils, both laminar flow and turbulent flow, confirm the achievement of the basic objective.
530 ‡aAlso available online from the NASA Technical Reports Server (http://ntrs.nasa.gov/). Address as of 12/09/05: http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19810015487%5F1981015487.pdf.
538 ‡aMode of access: Internet.
650 0 ‡aTurbulence.
650 0 ‡aLaminar flow.
650 0 ‡aAerofoils ‡xTesting.
710 2 ‡aLangley Research Center.
710 1 ‡aUnited States. ‡bNational Aeronautics and Space Administration. ‡bScientific and Technical Information Branch.
CID ‡a011428034
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DAT 1 ‡a20141112173021.0 ‡b2020-04-04T18:04:07Z
DAT 2 ‡a2020-04-04T17:30:02Z
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