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A Supersonic Area Rule and an Application to the Design of a Wing-Body Combination with High Lift-Drag Ratios

R. T. Whitcomb, John R Sevier

Abstract

A concept for interrelating the wave drags of wing-body combinations at supersonic speeds with axial developments of cross-sectional area is presented. A swept-wing-indented-body combination designed on the basis of this concept to have significantly improved maximum lift-drag ratios over a range of transonic and moderate supersonic speeds is described. Experimental results have been obtained for this configuration at Mach numbers from 0.80 to 2.01. Maximum lift-drag ratios of approximately 14 and 9 were measured at Mach numbers of 1.15 and 1.41, respectively.

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Key concepts: Supersonic speed, Wave drag, Drag, Transonic, Wing, Drag divergence Mach number, Mach number, Lift (data mining)