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A Study of Flow Changes Associated with Airfoil Section Drag Rise at Supercritical Speeds

Gerald E Nitzberg, Stewart M Crandall

Abstract

Report presenting a study of experimental pressure distributions and section characteristics for several moderately thick airfoil sections were made. The pressure distributions and section force characteristics of several moderately thick airfoil sections at Mach numbers above the drag-divergence Mach numbers were analyzed.

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Key concepts: Airfoil, Drag divergence Mach number, Mach number, Drag, Mechanics, Section (typography), Flow (mathematics), Drag coefficient