An ensemble source spectra model for merchant ship-radiated noise

The Journal of the Acoustical Society of America
Stephen C Wales, Richard M Heitmeyer

Abstract

This paper presents an evaluation of the classical model for determining an ensemble of the broadband source spectra of the sound generated by individual ships and proposes an alternate model to overcome the deficiencies in the classical model. The classical model, proposed by Ross [Mechanics of Underwater Noise (Pergamon, New York, 1976)] postulates that the source spectrum for an individual ship is proportional to a baseline spectrum with the constant of proportionality determined by a power-law relationship on the ship speed and length. The model evaluation, conducted on an ensemble of 54 source spectra over a 30-1200-Hz to 1200-Hz frequency band, shows that this assumption yields large rms errors in the broadband source level for the individual ships and significantly overestimates the variability in the source level across the ensemble of source spectra. These deficiencies are a consequence of the negligible correlation between the source level and the ship speed and the source level and the ship length. The alternate model proposed here represents the individual ship spectra by a modified rational spectrum where the poles and zeros are restricted to the real axis and the exponents of the terms are not restricted to intege...Continue Reading

References

Aug 26, 1998·Journal of the American College of Nutrition·Y VandenplasF Lifshitz
Jan 21, 2000·The Journal of the Acoustical Society of America·P T Arveson, D J Vendittis

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Citations

Jul 12, 2012·The Journal of the Acoustical Society of America·Cédric GervaiseNadia Ménard
Sep 8, 2010·The Journal of the Acoustical Society of America·D Benjamin Reeder, Ching-Sang Chiu
Sep 8, 2010·The Journal of the Acoustical Society of America·John E Joseph, Ching-Sang Chiu
Jul 24, 2010·The Journal of the Acoustical Society of America·Fei BaoShuanping Du
Jun 10, 2008·The Journal of the Acoustical Society of America·Yvan SimardCédric Gervaise
Sep 8, 2011·The Journal of the Acoustical Society of America·Michael D CollinsHarry J Simpson
Oct 26, 2010·The Journal of the Acoustical Society of America·Arnab DasRajendar Bahl
Feb 1, 2013·The Journal of the Acoustical Society of America·Serge ZauggMichel André
Jan 28, 2012·The Journal of the Acoustical Society of America·Megan F McKennaJohn A Hildebrand
Dec 17, 2009·The Journal of the Acoustical Society of America·Fei BaoShuanping Du
Aug 7, 2008·The Journal of the Acoustical Society of America·Mark V TrevorrowSvein Vagle
Aug 1, 2016·The Journal of the Acoustical Society of America·Hüseyin Özkan SertlekMichael A Ainslie
Jul 24, 2013·Annual Review of Marine Science·William S D WilcockRobert I Odom
Dec 3, 2017·The Journal of the Acoustical Society of America·Jeffrey S RogersSteven L Means
Aug 3, 2019·The Journal of the Acoustical Society of America·Alexander O MacGillivrayOrla M Robinson
May 4, 2020·The Journal of the Acoustical Society of America·Dag Tollefsen, Stan E Dosso
Oct 2, 2017·The Journal of the Acoustical Society of America·Martin GassmannJohn A Hildebrand
Dec 5, 2016·The Journal of the Acoustical Society of America·Yvan SimardSamuel Giard
Feb 4, 2019·The Journal of the Acoustical Society of America·Wenyu LuoYu Zhang
Dec 5, 2019·The Journal of the Acoustical Society of America·Jianghui LiTimothy G Leighton
Nov 15, 2018·The Journal of the Acoustical Society of America·Kay L GembaW A Kuperman
Jan 1, 2021·The Journal of the Acoustical Society of America·Najeem ShajahanYing-Tsong Lin
Mar 1, 2021·The Journal of the Acoustical Society of America·David F Van KomenWilliam S Hodgkiss
May 5, 2021·The Journal of the Acoustical Society of America·Michael A AinslieJames A Mercer
May 5, 2021·The Journal of the Acoustical Society of America·Mark V Trevorrow
May 5, 2021·The Journal of the Acoustical Society of America·Samantha CopeVirgil Zetterlind
Jul 10, 2021·The Journal of the Acoustical Society of America·D P KnoblesWilliam S Hodgkiss
Sep 3, 2021·The Journal of the Acoustical Society of America·Christian D Escobar-AmadoWilliam S Hodgkiss

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