A Theoretical Investigation of the Aerodynamics of Wing-tail Combinations Performing Time-dependent Motions at Supersonic Speeds

by John C. Martin
A Theoretical Investigation of the Aerodynamics of Wing-tail Combinations Performing Time-dependent Motions at Supersonic Speeds
Author: John C. Martin
Publisher:
Total Pages: 720
Release: 1954
Genre: Aerodynamics, Supersonic
ISBN:
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A theoretical investigation is presented of the contribution of horizontal tails to the lift and pitching moment due to angle of attack, a constant rate of pitch, and a constant vertical acceleration. Numerical values of the aerodynamic coefficients associated with these motions are presented for a number of two-dimensional wing-tail combinations, a triangular wing-tail combination, and a number of rectangular-wing - triangular-tail combinations.

General Theory of Wave-drag Reduction for Combinations Employing Quasi-cylindrical Bodies with an Application to Swept-wing and Body Combinations

by Jack N. Nielsen
General Theory of Wave-drag Reduction for Combinations Employing Quasi-cylindrical Bodies with an Application to Swept-wing and Body Combinations
Author: Jack N. Nielsen
Publisher:
Total Pages: 676
Release: 1956
Genre: Airplanes
ISBN:
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The wing-body interference theory of NACA TN 2677 applied to symmetrical wings in combination with quasi-cylindrical bodies permits the direct calculation of pressure-distribution changes produced by body shape changes. This theory is used to determine the relative magnitued of the wave-drag reduction produced by changes in cylinder cross-sectional area and that produced changes in cross-sectional shape (without change in area). The body distortion is expressed as a Fourier series, and an integral equation is derived for the body shape for minimum drag for each Fourier component. Thus the wave-drag reductions for the various Fourier harmonics are independent and additive.

Report

by
Report
Author:
Publisher:
Total Pages: 900
Release: 1957
Genre: Aeronautics
ISBN:
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Annual Report

by United States. National Advisory Committee for Aeronautics
Annual Report
Author: United States. National Advisory Committee for Aeronautics
Publisher:
Total Pages: 534
Release: 1953
Genre: Aeronautics
ISBN:
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