Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/15262
Title: A power transmissibility method for assessing the performance of vibration isolation of building services equipment
Authors: Mak, CM 
Su, J
Issue Date: 2002
Publisher: Pergamon Press
Source: Applied acoustics, 2002, v. 63, no. 12, p. 1281-1299 How to cite?
Journal: Applied acoustics 
Abstract: Force transmissibility is commonly adopted in building services engineering to assess the performance of vibration isolation. However, it neglects the effect of floor mobility on structure-borne sound power transmitted from a vibratory machine to the floor/roof and the interactions among several contact points between the vibratory machine and the floor/roof. The problem that motivated this study is the occasional occurrence of unsatisfactory performance of vibration isolators observed in building services engineering. This problem may be due to the over-simplification of the vibratory problem in the usual definition of the un-damped force transmissibility or isolation efficiency commonly used in engineering practice. In this paper, use of a "power transmissibility", which includes the effect of floor mobility and the interaction of all dynamic forces transmitted to the floor through the vibration isolators, is proposed.
URI: http://hdl.handle.net/10397/15262
ISSN: 0003-682X
EISSN: 1872-910X
DOI: 10.1016/S0003-682X(02)00047-6
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