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Underwater sound due to a subsea high speed turbo compressor

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Author: Binnerts, B. · Benda-Beckmann, A.M. von · Beek, P.J.G. van
Source:Papadakis, J.S.Bjorno, L., Proceedings 2nd International Conference and Exhibition on Underwater Acoustics, UA2014, 22-27 June, Rhodes, Greece, 265-270
Identifier: 508419
Keywords: Marine · Underwater acoustics · High speed turbo compressor · Underwater source level · Environmental impact · Modelling · Sound propagation · Measurements · High Tech Maritime and Offshore Systems · Industrial Innovation · Physics & Electronics ; Fluid Mechanics Chemistry & Energetics · AS - Acoustics & Sonar ; Fluid Dynamics · TS - Technical Sciences


In the oil & gas industry there is a trend towards more subsea activities. To improve gas recovery from existing and new fields at greater depths, the produced gas will be compressed, processed and transported via subsea templates and underwater networks (pipelines, flexible risers, etc.). Besides the huge consequences for the subsea installation itself (reliability, maintenance, etc.), it also has consequences for underwater wildlife through the underwater source vibrations leading to sound radiation. Until now very little is known about the underwater source mechanisms, the acoustic strength of these underwater networks, the coupling of the emitted source sound to the surrounding medium and the impact of the sound on the underwater wildlife. This paper presents a simplified model for a subsea high speed turbocompressor coupled to the KrakenC normal mode propagation model. With this combined model the noise at remote locations can be predicted and compared with the ambient noise and other anthropgenetic noise sources such as for instance shipping, dredging and wind farm operation noise