Lift/Drag Ratios of Optimised Slewed Elliptic Wings at Supersonic Speeds

Author:

Smith J.H.B.

Abstract

SummaryPrevious work by R. T. Jones on the drag minimisation of elliptic wings is extended to the case of the slewed wing with thickness. These results are used to calculate lift/drag ratios of idealised configurations related to a supersonic transport aircraft. The values of lift/drag ratio and optimum slenderness ratio found are comparable with those calculated earlier in studies of delta-like plan forms.

Publisher

Cambridge University Press (CUP)

Subject

General Engineering

Reference6 articles.

1. Lomax H. Wave Drag of Arbitrary Configurations in Linearised Flow as Determined by Areas and Forces in Oblique Planes. N.A.C.A. R.M. A55A18, March 1955.

2. Slender-Body Theory-Review and Extension

3. Küchemann D. Some Considerations of Aircraft Shapes and their Aerodynamics for Flight at Supersonic Speeds. Unpublished Ministry of Aviation Report, A.R.C. 21,102, June 1959.

4. Theoretical Determination of the Minimum Drag of Airfoils at Supersonic Speeds

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