The development of a tunable vibration absorbing isolator


du Plooy, N.F., Heyns, P.S. and Brennan, M.J. (2005) The development of a tunable vibration absorbing isolator. International Journal of Mechanical Sciences, 47, (7), 983-997. (doi:10.1016/j.ijmecsci.2005.04.009).

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Description/Abstract

This paper describes a tunable vibration absorbing isolator. The device is based on the liquid inertia vibration eliminator, which is modified so that the frequency at which maximum isolation occurs can be changed in real time. This is achieved by using adjustable pneumatic springs. A theoretical model describing the device is derived using Lagrange's equations. The model is used to design a practical device and experimental results confirm the validity of the model. With the experimental device a roll-off of about 90 dB/decade over a 12 Hz frequency band was achieved.

Item Type: Article
ISSNs: 0020-7403 (print)
Related URLs:
Keywords: tunable vibration absorbing isolator
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: University Structure - Pre August 2011 > Institute of Sound and Vibration Research > Dynamics
ePrint ID: 28514
Date Deposited: 28 Apr 2006
Last Modified: 27 Mar 2014 18:17
Contact Email Address: fduplooy@eng.up.ac.za
URI: http://eprints.soton.ac.uk/id/eprint/28514

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