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TECHNICAL PAPERS

Unsteady Gust Response of Road Vehicles

[+] Author and Article Information
Antonio Filippone

Department of Mechanical, Aerospace and Manufacturing Engineering, UMIST, Manchester M60 1QD, UK

J. Fluids Eng 125(5), 806-812 (Oct 07, 2003) (7 pages) doi:10.1115/1.1603304 History: Received November 11, 2002; Revised April 21, 2003; Online October 07, 2003
Copyright © 2003 by ASME
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References

Figures

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Computed aerodynamic admittance (side force) for a rectangular body for different gust speed ratios (as indicated)
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Magnitude and phase lag of the yawing moment admittance for a rectangular body, λ=1, α=1/4
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Admittance for a circle, λ=1, critical frequency k=5.13
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Side view of SUV and computational model without wheels
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Computed aerodynamic admittance for the model of Fig. 5 for different gust speed ratios (as indicated)
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Comparison with Howell and Everitt’s data 11 in double logarithmic scale
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Vehicles BA0, BA20, BA40 considered by Bearman and Mullarkey 2
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Admittance for the side force of vehicle BA0, set at β̄=0, with a stationary gust, λ=0, compared with the experimental data of 2
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RMS of side force and yawing moment for ᾱ2 compared with the experimental data 2
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Admittance for four different vehicles, for the gust speed ratio λ=1

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