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An Investigation of the Aerodynamic Characteristics of Thin Delta Wings with a Symmetrical Double-wedge Section at a Mach Number of 6.9

MITCHEL H. BERTRAM, William D Mccauley

Abstract

Report presenting a program to investigate the aerodynamic characteristics of thin delta wings with symmetrical double-wedge sections in the hypersonic tunnel at a Mach number of 6.9. A family of 5-percent-thick lifting wings with semiapex angles were tested over a range of angles of attack. Results regarding lift and drag characteristics, center of pressure and moment coefficient, Schileren photographs, and surface film flow studies are provided.

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Available abstract

Key concepts: Pitching moment, Aerodynamics, Mach number, Wedge (geometry), Delta wing, Angle of attack, Lift-to-drag ratio, Lift coefficient