<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Measurements of hydro-acoustic noise emitted from vessels are a.o. a subject of the tests carried out in the control measurement ranges of the Navy. The measurements are performed both on anchored and floating vessels. Acoustic field of vessels is changing along with their speed changing and is associated with acoustic activity of wave sources installed in vessel's hull (main engines, electric generating sets, reduction gears, pumps, shaft-lines, piping, ventilating ducts etc) as well as hydro-dynamic sources such as screw propellers and water flow around the hull [5, 7]. Vibration energy generated by the onboard devices is transferred through ship structural elements to water where it propagates in the form of hydro-acoustic waves of a wide frequency band.</p></abstract>

Measurements of hydro-acoustic noise emitted from vessels are a.o. a subject of the tests carried out in the control measurement ranges of the Navy. The measurements are performed both on anchored and floating vessels. Acoustic field of vessels is changing along with their speed changing and is associated with acoustic activity of wave sources installed in vessel's hull (main engines, electric generating sets, reduction gears, pumps, shaft-lines, piping, ventilating ducts etc) as well as hydro-dynamic sources such as screw propellers and water flow around the hull [5, 7]. Vibration energy generated by the onboard devices is transferred through ship structural elements to water where it propagates in the form of hydro-acoustic waves of a wide frequency band.

Identification of hydro-acoustic waves emitted from floating units during mooring tests

Polish Maritime Research

Measurements of hydro-acoustic noise emitted from vessels are a.o. a subject of the tests carried out in the control measurement ranges of the Navy. The...

Identification of hydro-acoustic waves emitted from floating units during mooring tests

Publié en ligne: 25 avr. 2008

Pages: 40 - 46

DOI: https://doi.org/10.2478/v10012-007-0038-5

Mots clés
identification, propagation, hydro-acoustics

This content is open access.

Identification of hydro-acoustic waves emitted from floating units during mooring tests

Publié en ligne: 25 avr. 2008

Pages: 40 - 46

DOI: https://doi.org/10.2478/v10012-007-0038-5

Mots clésidentification, propagation, hydro-acoustics

This content is open access.

Mots clés
identification, propagation, hydro-acoustics