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  • AIRCRAFT DESIGN, TESTING AND PERFORMANCE  (3)
  • 1995-1999
  • 1985-1989  (3)
  • 1960-1964
  • 1
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    Arrays of bodies of revolution for minimum wave drag (1985)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Keywords: AIRCRAFT DESIGN, TESTING AND PERFORMANCE
    Type: Journal of Aircraft (ISSN 0021-8669); 22; 901-909
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Supersonic wing-body inteference at high angles of attack with emphasis on low aspect ratios (1986)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: A systematic NASA data base for cruciform wing-body combinations has been analyzed to extract the values of the wing and body interference factors. The fin planforms vary in aspect ratio from 0.5 to 2.0, the Mach number from 2.5 to 4.5, and the angle of attack from 0 deg to 40 deg. Sufficient data are available to permit interpolation with respect to fin aspect ratio, taper ratio, Mach number, and angle of attack. The data base described in this paper can be used in an engineering prediction method to determine the normal force of planar wing-body combinations and for scaling the effects of body radius-fin semispan ratio.
    Keywords: AIRCRAFT DESIGN, TESTING AND PERFORMANCE
    Type: AIAA PAPER 86-0568
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Arrays for minimum wave drag of bodies of revolution (1985)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: The wave drag of two identical Sears-Haack bodies at transonic and supersonic speeds has been determined by using the supersonic area rule. The solution is found for these bodies displaced parallel to each other, both laterally and longitudinally. The results show that the drag of a pair of bodies can be either doubled, or nearly halved, depending upon the lateral and longitudinal spacings of the bodies. The magnitude of this drag is determined by the degree of mutual interference between the bodies. It is shown how reductions in wave drag can be obtained by proper spacing of external bodies. The regions of favorable mutual interference are delineated. It is also shown how to apply the two-body results to many-body arrays. Some remarks are made on applying the results to store-airframe interference and on further aspects of the store-airframe drag problem.
    Keywords: AIRCRAFT DESIGN, TESTING AND PERFORMANCE
    Type: AIAA PAPER 85-0449
    Format: text
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    NASA TECHNICAL REPORTS
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