Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/28402
Title: A study of the effect of inertia blocks on the stability of the vibratory system and the performance of vibration isolation
Authors: Yun, Y
Mak, CM 
Tang, SK 
Keywords: Building services equipment
Inertia blocks
Performance
Stability
Vibration isolation
Issue Date: 2007
Publisher: Pergamon Press
Source: Applied acoustics, 2007, v. 68, no. 11-12, p. 1511-1524 How to cite?
Journal: Applied acoustics 
Abstract: Resilient vibration isolators and inertia blocks are commonly used by building services engineers to isolate vibratory machines in buildings. They are selected in practice according to the force transmissibility method and some crude methods or the experience of building services engineers. These methods, however, can produce inaccurate predictions, and a power transmissibility method has recently been proposed to assess the performance of vibration isolation. In this paper, normalized average vibration velocities and overall rotational velocities are proposed to study the stability of the vibratory system. The result shows that the use of an inertia block primarily does not improve the performance of vibration isolation, but does increase the stability of the vibratory system regardless of whether the machine is of even or uneven mass distribution and whether it is driven by the vibratory force or the rocking moment.
URI: http://hdl.handle.net/10397/28402
ISSN: 0003-682X
EISSN: 1872-910X
DOI: 10.1016/j.apacoust.2006.08.009
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