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TECHNICAL PAPERS

Dynamics of a Large Scale Hydraulic Capsule Pipeline System

[+] Author and Article Information
Hongliu Du

Technical Center, Caterpillar Inc., Peoria IL

Satish S. Nair

Mechanical and Aerospace Engineering, NSF Capsule Pipeline Research Center, University of Missouri-Columbia, MO 65211

J. Dyn. Sys., Meas., Control 124(1), 191-195 (Jul 15, 1999) (5 pages) doi:10.1115/1.1433481 History: Received July 15, 1999
Copyright © 2002 by ASME
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References

Figures

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Overall HCP system schematic with booster station highlighted
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The Method of Characteristics approach. (a) Characteristic lines in the x-t plane, (b) rectangular grid.
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Valve control strategies 1 to 5 (a to e)
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Simulation results for valve control strategy 3 with centrifugal pump and surge tank; initial water level in surge tank is 20 m (65 ft); θ0=0.29 and tf=1.0 s; valve switching starts at the t=2 s instant
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Simulation results for valve control strategy 3 with centrifugal pump and air chamber; initial water level in air chamber is 7 m (23 ft); initial air pressure in air chamber is 0.621 (MP); air chamber height is 3 m (9.84 ft); θ0=0.29 and tf=1.0 s, valve switching starts at the t=2 s instant
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Simulation results with different heights of a fixed diameter air chamber

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