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TECHNICAL PAPERS

Performance of a Smart Direct Fire Projectile Using a Ram Air Control Mechanism

[+] Author and Article Information
Siddharth Chandgadkar, Mark Costello, Bertrand Dano, James Liburdy, Deborah Pence

Department of Mechanical Engineering, Oregon State University, Corvallis, OR 97331

J. Dyn. Sys., Meas., Control 124(4), 606-612 (Dec 16, 2002) (7 pages) doi:10.1115/1.1514666 History: Received June 01, 2001; Revised May 01, 2002; Online December 16, 2002
Copyright © 2002 by ASME
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References

Figures

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Ram air control mechanism schematic
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Projectile position coordinate definition
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Projectile orientation definition
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Ram air cavity flow schematic
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Cross range versus range
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Pitch angle versus time
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Total velocity versus time
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Angle of attack versus time
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Y Ram air force versus time
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Z Ram air force versus time
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Dispersion for a 3-mm diameter controlled ram air orifice versus an uncontrolled free flight configuration (uncontrolled dispersion radius=1.6 m, controlled dispersion radius=0.04 m)
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Effect of orifice diameter on dispersion radius (sensor bias and noise equal zero).
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Dispersion radius versus sensor bias and noise

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