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Investigation of the underwater noise produced by ships by means of intensity method

Abstract

This paper presents results of research on spectral structure of underwater noise acoustic field radiated into water by selected ships moving in shallow waters. Underwater acoustic field of ships in motion is associated with acoustic activity of ship mechanisms and equipment under work. Vibration energy radiated by the mechanisms and devices is transmitted by ship structural elements to surrounding water where it is propagated in the form of acoustic waves of a wide frequency band. In this paper are presented results of the research on propagation of energy of acoustic waves in the near fiel, obtained from acoustic pressure measurements by means of two sensors located close to each other.

Keywords:

energy, propagation, hydroacoustics

Details

Issue
Vol. 17 No. 3(65) (2010)
Section
Latest Articles
Published
21-01-2011
DOI:
https://doi.org/10.2478/v10012-010-0025-0
Licencja:
Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Open Access License

This journal provides immediate open access to its content under the Creative Commons BY 4.0 license. Authors who publish with this journal retain all copyrights and agree to the terms of the CC BY 4.0 license.

 

Author Biographies

Eugeniusz Kozaczka,
Gdansk University of Technology, Faculty of Ocean Engineering and Ship Technology



Jacek Domagalski,
Polish Naval Academy, Faculty of Navigation and Naval Waeapons



Ignacy Gloza,
Polish Naval Academy, Faculty of Navigation and Naval Waeapons



Authors

  • Eugeniusz Kozaczka

    Gdansk University of Technology, Faculty of Ocean Engineering and Ship Technology
  • Jacek Domagalski

    Polish Naval Academy, Faculty of Navigation and Naval Waeapons
  • Ignacy Gloza

    Polish Naval Academy, Faculty of Navigation and Naval Waeapons

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