Noise reduction on a Rhine-cruise ship due to damping material
article
In order to attenuate the structure-borne sound generated by the resiliently mounted auxiliary diesel engines and propagated via the decks to the passenger cabins of a Rhine-cruise ship, two decks and the hull between them were treated with 400 m2 elasto-dissipative material. Measurements of the sound pressure levels in a cabin, situated between these decks, and vibration measurements, carried out both before and after the application of the damping material, indicated only small level reductions. The reduction caused by completion of the fitting out of the ship, however, appreciably exceeded the influence of the damping material. The usefulness of the application of damping materials on board a ship is therefore considered to be doubtful. © 1972.
TNO Identifier
227316
ISSN
0022460X
Source
Journal of Sound and Vibration, 21(2), pp. 159-167.
Pages
159-167
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