A Simple Analytical Aerodynamic Model of Langley Winged-Cone Aerospace Plane Concept PDF Download

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A Simple Analytical Aerodynamic Model of Langley Winged-Cone Aerospace Plane Concept

A Simple Analytical Aerodynamic Model of Langley Winged-Cone Aerospace Plane Concept PDF Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781722029616
Category :
Languages : en
Pages : 46

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Book Description
A simple three DOF analytical aerodynamic model of the Langley Winged-Coned Aerospace Plane concept is presented in a form suitable for simulation, trajectory optimization, and guidance and control studies. The analytical model is especially suitable for methods based on variational calculus. Analytical expressions are presented for lift, drag, and pitching moment coefficients from subsonic to hypersonic Mach numbers and angles of attack up to +/- 20 deg. This analytical model has break points at Mach numbers of 1.0, 1.4, 4.0, and 6.0. Across these Mach number break points, the lift, drag, and pitching moment coefficients are made continuous but their derivatives are not. There are no break points in angle of attack. The effect of control surface deflection is not considered. The present analytical model compares well with the APAS calculations and wind tunnel test data for most angles of attack and Mach numbers. Pamadi, Bandu N. Unspecified Center NAS1-19341; RTOP 232-01-04-05...