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Proceedings Paper

A new magnetorheological fluid damper for high-mobility multipurpose wheeled vehicle (HMMWV)
Author(s): Umit Dogruer; Faramarz Gordaninejad; Cahit A. Evrensel
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Paper Abstract

Theoretical and experimental studies are performed for the design, development and testing of a new fail-safe semiactive magneto-rheological fluid (MRF) damper for a high-mobility multi-purpose wheeled vehicle (HMMWV). A fail-safe MRF damper is referred to as a device, which retains a minimum damping capacity required in the event of a power supply or electronic system failure. The proposed MRF damper is designed using a disk shape magneto-rheological (MR) valve. The MR valve occurs in the space between two fixed parallel disks with radial flow. Bingham plastic fluid model and a three-dimensional finite element electro-magentic analysis are employed to theoretically analyze the proposed MRF damper. Experimental and theoretical results are presented for force-displacement and force-time behavior of the damper under different harmonic input motion and various input magnetic fields.

Paper Details

Date Published: 31 July 2003
PDF: 9 pages
Proc. SPIE 5052, Smart Structures and Materials 2003: Damping and Isolation, (31 July 2003); doi: 10.1117/12.483974
Show Author Affiliations
Umit Dogruer, Univ. of Nevada/Reno (United States)
Faramarz Gordaninejad, Univ. of Nevada/Reno (United States)
Cahit A. Evrensel, Univ. of Nevada/Reno (United States)


Published in SPIE Proceedings Vol. 5052:
Smart Structures and Materials 2003: Damping and Isolation
Gregory S. Agnes; Kon-Well Wang, Editor(s)

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