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RESEARCH PAPERS: Papers in Thermofluid Area

The Effect of Oil Entrapment in an Axial Piston Pump

[+] Author and Article Information
S. J. Lin

Department of Engineering, Science and Mechanics and Department of Industrial Education and Technology, Iowa State University, Ames, Iowa

A. Akers

Engineering Research Institute and Department of Engineering Science and Mechanics, Iowa State University, Ames, Iowa

G. Zeiger

Department of Engineering Science and Mechanics and Department of Mechanical Engineering, Iowa State University, Ames, Iowa

J. Dyn. Sys., Meas., Control 107(4), 246-251 (Dec 01, 1985) (6 pages) doi:10.1115/1.3140730 History: Received April 01, 1985; Online July 21, 2009

Abstract

Values of pressure caused by entrapment beneath a valve plate have been calculated. The technique used consists of the solution of the dynamical equation of motion in the piston control volume. Instantaneous and average values of torque have also been deduced from the pressure distribution. Plots have been constructed showing the effect of swashplate angle, pump angular rotation, discharge pressure, and entrapment angle upon instantaneous pressure, torque, and average torque for a typical axial piston pump.

Copyright © 1985 by ASME
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