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RESEARCH PAPERS

Structural Damping Enhancement Via Non-Obstructive Particle Damping Technique

[+] Author and Article Information
H. V. Panossian

Rockwell International Corp., 6633 Canoga Avenue, Canoga Park, CA 91303

J. Vib. Acoust 114(1), 101-105 (Jan 01, 1992) (5 pages) doi:10.1115/1.2930221 History: Received March 01, 1991; Online June 17, 2008

Abstract

Presented herein is a novel passive vibration damping technique that is referred to as “Non-Obstructive Particle Damping (NOPD).” The NOPD technique consists of making small diameter holes (or cavities) at appropriate locations inside vibrating structures and filling these holes to appropriate levels with particles which yield the maximum damping effectiveness for the desired mode (or modes). Powders, spherical shaped, metallic, non-metallic or liquid particles (or mixtures) with different densities, viscosities and adhesive or cohesive characteristics can be used.

Copyright © 1992 by The American Society of Mechanical Engineers
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