An investigation on the effects of various flow parameters on the underwater flow noise

Sertac Bulut; Selma Ergin

doi:10.3233/978-1-61499-870-9-133

An investigation on the effects of various flow parameters on the underwater flow noise

Sertac Bulut, Selma Ergin

Department of Naval Architecture and Marine Engineering

Istanbul Technical University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

7 Citations (Scopus)

Abstract

The prediction and reduction of underwater noise is commercially, militarily and ecologically a very critical issue for maritime industry. Machine noise, propeller noise and flow noise are the main components of underwater noise for submerged bodies. Especially at high flow velocities, flow noise becomes dominant source of underwater noise radiated from these bodies. In this paper, the effects of the fluid temperature and salinity of the fluid on the underwater flow noise are investigated, numerically. A circular cylinder is selected for the validation studies of the noise model used in the acoustic analyses. The flow characteristics are obtained by solving governing equations of fluid using Computational Fluid Dynamics (CFD). The turbulence is modelled by using SST k- turbulence model. The Ffowcs Williams and Hawkings (FW-H) noise model is applied to predict the sound pressure levels at the receiver points defined various locations, numerically. The monopole, dipole and quadrupole sound sources are taken into consideration for acoustic analyses.

Original language	English
Title of host publication	Technology and Science for the Ships of the Future - Proceedings of NAV 2018
Subtitle of host publication	19th International Conference on Ship and Maritime Research
Editors	Alberto Marino, Vittorio Bucci
Publisher	IOS Press
Pages	133-140
Number of pages	8
ISBN (Electronic)	9781614998693
DOIs	https://doi.org/10.3233/978-1-61499-870-9-133
Publication status	Published - 1 Jan 2018
Event	19th International Conference on Ship and Maritime Research, NAV 2018 - Trieste, Italy Duration: 20 Jun 2018 → 22 Jun 2018

Publication series

Name	Technology and Science for the Ships of the Future - Proceedings of NAV 2018: 19th International Conference on Ship and Maritime Research

Conference

Conference	19th International Conference on Ship and Maritime Research, NAV 2018
Country/Territory	Italy
City	Trieste
Period	20/06/18 → 22/06/18

Bibliographical note

Publisher Copyright:
© 2018 The authors and IOS Press. All rights reserved.

Keywords

Computational Acoustics
FW-H
Sound sources
Underwater Flow Noise

Access to Document

10.3233/978-1-61499-870-9-133

Cite this

Bulut, S., & Ergin, S. (2018). An investigation on the effects of various flow parameters on the underwater flow noise. In A. Marino, & V. Bucci (Eds.), Technology and Science for the Ships of the Future - Proceedings of NAV 2018: 19th International Conference on Ship and Maritime Research (pp. 133-140). (Technology and Science for the Ships of the Future - Proceedings of NAV 2018: 19th International Conference on Ship and Maritime Research). IOS Press. https://doi.org/10.3233/978-1-61499-870-9-133

Bulut, Sertac ; Ergin, Selma. / An investigation on the effects of various flow parameters on the underwater flow noise. Technology and Science for the Ships of the Future - Proceedings of NAV 2018: 19th International Conference on Ship and Maritime Research. editor / Alberto Marino ; Vittorio Bucci. IOS Press, 2018. pp. 133-140 (Technology and Science for the Ships of the Future - Proceedings of NAV 2018: 19th International Conference on Ship and Maritime Research).

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title = "An investigation on the effects of various flow parameters on the underwater flow noise",

abstract = "The prediction and reduction of underwater noise is commercially, militarily and ecologically a very critical issue for maritime industry. Machine noise, propeller noise and flow noise are the main components of underwater noise for submerged bodies. Especially at high flow velocities, flow noise becomes dominant source of underwater noise radiated from these bodies. In this paper, the effects of the fluid temperature and salinity of the fluid on the underwater flow noise are investigated, numerically. A circular cylinder is selected for the validation studies of the noise model used in the acoustic analyses. The flow characteristics are obtained by solving governing equations of fluid using Computational Fluid Dynamics (CFD). The turbulence is modelled by using SST k- turbulence model. The Ffowcs Williams and Hawkings (FW-H) noise model is applied to predict the sound pressure levels at the receiver points defined various locations, numerically. The monopole, dipole and quadrupole sound sources are taken into consideration for acoustic analyses.",

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Bulut, S & Ergin, S 2018, An investigation on the effects of various flow parameters on the underwater flow noise. in A Marino & V Bucci (eds), Technology and Science for the Ships of the Future - Proceedings of NAV 2018: 19th International Conference on Ship and Maritime Research. Technology and Science for the Ships of the Future - Proceedings of NAV 2018: 19th International Conference on Ship and Maritime Research, IOS Press, pp. 133-140, 19th International Conference on Ship and Maritime Research, NAV 2018, Trieste, Italy, 20/06/18. https://doi.org/10.3233/978-1-61499-870-9-133

An investigation on the effects of various flow parameters on the underwater flow noise. / Bulut, Sertac; Ergin, Selma.
Technology and Science for the Ships of the Future - Proceedings of NAV 2018: 19th International Conference on Ship and Maritime Research. ed. / Alberto Marino; Vittorio Bucci. IOS Press, 2018. p. 133-140 (Technology and Science for the Ships of the Future - Proceedings of NAV 2018: 19th International Conference on Ship and Maritime Research).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AU - Ergin, Selma

PY - 2018/1/1

Y1 - 2018/1/1

N2 - The prediction and reduction of underwater noise is commercially, militarily and ecologically a very critical issue for maritime industry. Machine noise, propeller noise and flow noise are the main components of underwater noise for submerged bodies. Especially at high flow velocities, flow noise becomes dominant source of underwater noise radiated from these bodies. In this paper, the effects of the fluid temperature and salinity of the fluid on the underwater flow noise are investigated, numerically. A circular cylinder is selected for the validation studies of the noise model used in the acoustic analyses. The flow characteristics are obtained by solving governing equations of fluid using Computational Fluid Dynamics (CFD). The turbulence is modelled by using SST k- turbulence model. The Ffowcs Williams and Hawkings (FW-H) noise model is applied to predict the sound pressure levels at the receiver points defined various locations, numerically. The monopole, dipole and quadrupole sound sources are taken into consideration for acoustic analyses.

AB - The prediction and reduction of underwater noise is commercially, militarily and ecologically a very critical issue for maritime industry. Machine noise, propeller noise and flow noise are the main components of underwater noise for submerged bodies. Especially at high flow velocities, flow noise becomes dominant source of underwater noise radiated from these bodies. In this paper, the effects of the fluid temperature and salinity of the fluid on the underwater flow noise are investigated, numerically. A circular cylinder is selected for the validation studies of the noise model used in the acoustic analyses. The flow characteristics are obtained by solving governing equations of fluid using Computational Fluid Dynamics (CFD). The turbulence is modelled by using SST k- turbulence model. The Ffowcs Williams and Hawkings (FW-H) noise model is applied to predict the sound pressure levels at the receiver points defined various locations, numerically. The monopole, dipole and quadrupole sound sources are taken into consideration for acoustic analyses.

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BT - Technology and Science for the Ships of the Future - Proceedings of NAV 2018

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Bulut S, Ergin S. An investigation on the effects of various flow parameters on the underwater flow noise. In Marino A, Bucci V, editors, Technology and Science for the Ships of the Future - Proceedings of NAV 2018: 19th International Conference on Ship and Maritime Research. IOS Press. 2018. p. 133-140. (Technology and Science for the Ships of the Future - Proceedings of NAV 2018: 19th International Conference on Ship and Maritime Research). doi: 10.3233/978-1-61499-870-9-133

An investigation on the effects of various flow parameters on the underwater flow noise

Abstract

Publication series

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Bibliographical note

Keywords

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