Abstracts of papers published externally

Abstract

CONTENTS: Spring Tabs on Frise Ailerons. Why Shear Webs? A Boundary Value Problem for a Hyperbolic Differential Equation Arising in the Theory of the Non-uniform Supersonic Motion of an Aerofoil. A Study by a Double-refraction Method of the Development of Turbulence in a Long Circular Tube. Notes on the Linearised Equation for the Velocity Potential of the Supersonic Flow of a Compressible Fluid. Technique of tile Step-by-Step Integration of Ordinary Differential Equations. Control Reversal Effects on Sweptback Wings. The Radial Focusing Effect in Axially-symmetrical Supersonic Flow. On Source and Vortex Distributions in the Linearised Theory of Steady Supersonic Flow. Assessment of Errors in Approximate Solutions of Differential Equations. Notes on the Linear Theory of Incompressible Flow Round Symmetrical Sweptback Wings at Zero Lift. Flutter of Systems with Many Freedoms.