Theoretical Calculations Of The Effects Of Finite Sideslip At Supersonic Speeds On The Span Loading And Rolling Moment For Families Of Thin Sweptback Tapered Wings At An Angle Of Attack
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Theoretical Calculations of the Effects of Finite Sideslip at Supersonic Speeds on the Span Loading and Rolling Moment for Families of Thin Sweptback Tapered Wings at an Angle of Attack
Author | : Edmund E. Callaghan |
Publisher | : |
Total Pages | : 53 |
Release | : 1953 |
Genre | : Airplanes |
ISBN | : |
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The material given in this report completes the presentation of results obtained from a general investigation of the effects of sideslip on the aerodynamic characteristics of thin sweptback tapered wings with side edges parallel to the axis of wing symmetry, the major phase of which was reported in NACA Technical Note 2898. By means of expressions derived therein, span load distriibutions have been calculated for several families of wings sideslipping at an angle of attack. Three basic combinations of Mach number and plan form have been investigated, each being subject to the conditions that the wing tips are parallel to the axis of wing symmetryand the trailing edge is supersonic, and to one of the following leading-edge conditions: (a) both leading edges subsonic, (b) one leading edge subsonic and one leading edge supersonic, and (c) both leading edges supersonic. In addition the the usual limitations of linear theory and the Mach number restriction imposed by the supersonic-trailing-edge condition, the restriction that the Mach line from the leading edge of the wing tip may not intersect the opposite half-wing has been imposed. The rolling-moment coefficient and the corresponding stability derivative have also been determined for wings with type (b) and (c) leading edges.
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