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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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.
|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
|Date Deposited:||28 Apr 2006|
|Last Modified:||02 Mar 2012 12:05|
|Contact Email Address:||email@example.com|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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