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RESEARCH PAPERS

Javelin Dynamics With Measured Lift, Drag, and Pitching Moment

[+] Author and Article Information
M. Hubbard

Department of Mechanical Engineering, University of California, Davis, Calif. 95616

H. J. Rust

Department of Mechanical Engineering, Stanford University, Stanford, Calif. 94305

J. Appl. Mech 51(2), 406-408 (Jun 01, 1984) (3 pages) doi:10.1115/1.3167632 History: Received August 01, 1983; Revised October 01, 1983; Online July 21, 2009

Abstract

Optimal release conditions for the javelin are studied using computer simulation. Included are two important and realistic assumptions: (1) initial velocity attainable by the thrower is dependent on the throwing angle, and (2) the aerodynamic center of pressure moves as a function of angle of attack. Aerodynamic forces and moments, previously measured in wind tunnel tests, are incorporated in the simulation. Range contours are presented in the two-space of initial angle of attack–initial flight path angle, assuming zero initial angular velocity.

Copyright © 1984 by ASME
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