A design criterion for the vibration isolation of a marine diesel generator set

Lee, D.C., Brennan, M.J. and Mace, B.R. (2005) A design criterion for the vibration isolation of a marine diesel generator set. In, InterNoise 2005: The 2005 International Congress and Exposition on Noise Control Engineering, Rio de Janeiro, Brazil, 07 - 10 Aug 2005. Brazil, Federal University of Santa Catarina (UFSC), 1557-1566.


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The resilient mounts of a diesel engine installed onboard a ship should be designed for both static and dynamic loads. If possible, the resonance frequencies of the six rigid body modes of the installation and the flexible modes of the engine support structure should not lie within the engine operation range. In this paper a design criterion is proposed to evaluate an isolation system which involves the summation of dynamic forces transmitted through the resilient mounts and elastic potential energy index stored in the mounts. A case study is also presented in which a diesel engine generator, which had an elastic foundation and was mounted in a 5500 TEU container vessel, was studied both theoretically and experimentally. The theoretical analysis of the test model was performed by using a single mass 6 degree of freedom system. Actual measurements of mechanical vibration of the engine and its foundation onboard were carried out, which showed the importance of including the flexibility of the engine support structure in the model.

Item Type: Conference or Workshop Item (Paper)
Related URLs:
Subjects: T Technology > TC Hydraulic engineering. Ocean engineering
T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TL Motor vehicles. Aeronautics. Astronautics
Divisions : University Structure - Pre August 2011 > Institute of Sound and Vibration Research > Dynamics
ePrint ID: 28492
Accepted Date and Publication Date:
Date Deposited: 05 May 2006
Last Modified: 31 Mar 2016 11:53
URI: http://eprints.soton.ac.uk/id/eprint/28492

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