On-board measurement techniques to quantify underwater radiated noise level

Serkan Turkmen, Batuhan Aktas, Mehmet Atlar, Noriyuki Sasaki, Rod Sampson, Weichao Shi

Research output: Contribution to journalArticle

2 Citations (Scopus)
24 Downloads (Pure)

Abstract

Cavitating ship propellers are known to be the dominant noise source contributing significantly to the underwater radiated noise (URN) level. Innovative measurement methods using on-board devices need to be further investigated as they offer a serious alternative to traditional methods in terms of cost-efficiency and practicality. This exploratory study combined simultaneous on- and off-board noise and vibration measurements with cavitation views captured by digital photography and high speed cameras.Comprehensive full-scale trials were conducted on Newcastle University’s research vessel, The Princess Royal, in the framework of the FP7-EU project SONIC. On-board data were captured from multiple measurement systems (including. hull pressure sensors, accelerometers, optical devices, shaft strain gauges) provided by SONIC project partners CETENA, Wärtsilä , University of Southampton and Newcastle University. A new semi-empirical correlation method based on cavitating propeller pressure fluctuation and the URN level was established. Results offer clear evidence of successfully estimating URN with on-board measurements up to the middle frequency region where the blade passing fundamental and low harmonic frequencies occur. These illuminating insights reported in this paper provide valuable benchmark sea trial data in full scale.
Original languageEnglish
Pages (from-to)166-175
Number of pages10
JournalOcean Engineering
Volume130
Early online date7 Dec 2016
DOIs
Publication statusPublished - 15 Jan 2017

Fingerprint

Ship propellers
Vibration measurement
Correlation methods
High speed cameras
Photography
Pressure sensors
Propellers
Optical devices
Strain gages
Accelerometers
Cavitation
Costs

Keywords

  • underwater radiated noise
  • propeller cavitation
  • full scale measurements
  • correlation method
  • SONIC project
  • on-board measurements

Cite this

Turkmen, Serkan ; Aktas, Batuhan ; Atlar, Mehmet ; Sasaki, Noriyuki ; Sampson, Rod ; Shi, Weichao. / On-board measurement techniques to quantify underwater radiated noise level. In: Ocean Engineering. 2017 ; Vol. 130. pp. 166-175.
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On-board measurement techniques to quantify underwater radiated noise level. / Turkmen, Serkan; Aktas, Batuhan; Atlar, Mehmet; Sasaki, Noriyuki; Sampson, Rod ; Shi, Weichao.

In: Ocean Engineering, Vol. 130, 15.01.2017, p. 166-175.

Research output: Contribution to journalArticle

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AU - Turkmen, Serkan

AU - Aktas, Batuhan

AU - Atlar, Mehmet

AU - Sasaki, Noriyuki

AU - Sampson, Rod

AU - Shi, Weichao

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