ER Shear Characteristics: Volume Fraction, Shear Rate, Time Response

[+] Author and Article Information
W. A. Bullough, J. Makin, A. R. Johnson, A. Hosseini-Sianaki, R. Firoozian

Department of Mechanical and Process Engineering, University of Sheffield, Mappin St, Sheffield S1 3JD, U.K.

J. Dyn. Sys., Meas., Control 118(2), 221-225 (Jun 01, 1996) (5 pages) doi:10.1115/1.2802307 History: Received March 01, 1993; Online December 03, 2007


Electro-stress and electron-hydraulic time delay are investigated in shear mode tests on ERF (electro-rheological fluid). These parameters are examined using a concentric, Couette clutch operating over a range of shear rates, volume fraction of solid in the ERF, and temperature. Pointers to system design, associated control strategy, fluid selection and optimal operating conditions are derived from these results.

Copyright © 1996 by The American Society of Mechanical Engineers
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