Silent Ships - a New Challenge for the Shipbuilding Industry

Stefan Weyna

doi:doi:10.11648/j.ajmp.20211004.12

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Silent Ships - a New Challenge for the Shipbuilding Industry

Stefan Weyna

Published in American Journal of Modern Physics (Volume 10, Issue 4)

Received: 5 July 2021 Accepted: 28 July 2021 Published: 12 August 2021

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Abstract

This publication presents new research techniques for noise abatement on ships obtaining vibroacoustic parameters of passenger and crew accommodations for newly designed ships. The construction of low-noise ships is a new technical challenge for naval architects, shipbuilders and shipowners. It also requires a new way of looking at these problems. The suggested new research methods based on sound intensity (SI) and laser anemometry techniques (PIV, LDA) in combination with graphical presentation as acoustical imaging (AI) of the field distribution of acoustic wave flows, gives a full range of interpretation possibilities of energy effects and the precautions taken. This will ensure vibro-acoustic optimisation of the product and meet design and standardisation objectives for noise and vibration levels on board. SI analyses are supported by acoustic orthogonal decomposition (AOD) of disturbed acoustic vector fields with a turbulent structure. The innovative SI-AOD method, combined with acoustical imaging (AI) of the results, allows a comprehensive interpretation of noise causes and becomes an highly effective tool for noise abatement on board ships. With a new, holistic approach to explain the mechanism of penetration of structure-borne and airborne sounds into ship interiors, it creates a balance of acoustic power of local sources of noise, which is the basis for the choice of methods for noise reduction. The author describes the mechanism of noise generation inside shipboard accommodations and in shipboard HVAC systems.

Published in	American Journal of Modern Physics (Volume 10, Issue 4)
DOI	10.11648/j.ajmp.20211004.12
Page(s)	71-92
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2021. Published by Science Publishing Group

Keywords

Vibroacoustics, Ship Noise, Sound Intensity, Acoustical Imaging

References

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Stefan Weyna. (2021). Silent Ships - a New Challenge for the Shipbuilding Industry. American Journal of Modern Physics, 10(4), 71-92. https://doi.org/10.11648/j.ajmp.20211004.12

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Stefan Weyna. Silent Ships - a New Challenge for the Shipbuilding Industry. Am. J. Mod. Phys. 2021, 10(4), 71-92. doi: 10.11648/j.ajmp.20211004.12

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AMA Style

Stefan Weyna. Silent Ships - a New Challenge for the Shipbuilding Industry. Am J Mod Phys. 2021;10(4):71-92. doi: 10.11648/j.ajmp.20211004.12

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@article{10.11648/j.ajmp.20211004.12,
  author = {Stefan Weyna},
  title = {Silent Ships - a New Challenge for the Shipbuilding Industry},
  journal = {American Journal of Modern Physics},
  volume = {10},
  number = {4},
  pages = {71-92},
  doi = {10.11648/j.ajmp.20211004.12},
  url = {https://doi.org/10.11648/j.ajmp.20211004.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajmp.20211004.12},
  abstract = {This publication presents new research techniques for noise abatement on ships obtaining vibroacoustic parameters of passenger and crew accommodations for newly designed ships. The construction of low-noise ships is a new technical challenge for naval architects, shipbuilders and shipowners. It also requires a new way of looking at these problems. The suggested new research methods based on sound intensity (SI) and laser anemometry techniques (PIV, LDA) in combination with graphical presentation as acoustical imaging (AI) of the field distribution of acoustic wave flows, gives a full range of interpretation possibilities of energy effects and the precautions taken. This will ensure vibro-acoustic optimisation of the product and meet design and standardisation objectives for noise and vibration levels on board. SI analyses are supported by acoustic orthogonal decomposition (AOD) of disturbed acoustic vector fields with a turbulent structure. The innovative SI-AOD method, combined with acoustical imaging (AI) of the results, allows a comprehensive interpretation of noise causes and becomes an highly effective tool for noise abatement on board ships. With a new, holistic approach to explain the mechanism of penetration of structure-borne and airborne sounds into ship interiors, it creates a balance of acoustic power of local sources of noise, which is the basis for the choice of methods for noise reduction. The author describes the mechanism of noise generation inside shipboard accommodations and in shipboard HVAC systems.},
 year = {2021}
}

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TY  - JOUR
T1  - Silent Ships - a New Challenge for the Shipbuilding Industry
AU  - Stefan Weyna
Y1  - 2021/08/12
PY  - 2021
N1  - https://doi.org/10.11648/j.ajmp.20211004.12
DO  - 10.11648/j.ajmp.20211004.12
T2  - American Journal of Modern Physics
JF  - American Journal of Modern Physics
JO  - American Journal of Modern Physics
SP  - 71
EP  - 92
PB  - Science Publishing Group
SN  - 2326-8891
UR  - https://doi.org/10.11648/j.ajmp.20211004.12
AB  - This publication presents new research techniques for noise abatement on ships obtaining vibroacoustic parameters of passenger and crew accommodations for newly designed ships. The construction of low-noise ships is a new technical challenge for naval architects, shipbuilders and shipowners. It also requires a new way of looking at these problems. The suggested new research methods based on sound intensity (SI) and laser anemometry techniques (PIV, LDA) in combination with graphical presentation as acoustical imaging (AI) of the field distribution of acoustic wave flows, gives a full range of interpretation possibilities of energy effects and the precautions taken. This will ensure vibro-acoustic optimisation of the product and meet design and standardisation objectives for noise and vibration levels on board. SI analyses are supported by acoustic orthogonal decomposition (AOD) of disturbed acoustic vector fields with a turbulent structure. The innovative SI-AOD method, combined with acoustical imaging (AI) of the results, allows a comprehensive interpretation of noise causes and becomes an highly effective tool for noise abatement on board ships. With a new, holistic approach to explain the mechanism of penetration of structure-borne and airborne sounds into ship interiors, it creates a balance of acoustic power of local sources of noise, which is the basis for the choice of methods for noise reduction. The author describes the mechanism of noise generation inside shipboard accommodations and in shipboard HVAC systems.
VL  - 10
IS  - 4
ER  -

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Author Information

Stefan Weyna

Marine Technology and Transport Faculty, West-Pomeranian University of Technology, Szczecin, Poland

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Stefan Weyna. (2021). Silent Ships - a New Challenge for the Shipbuilding Industry. American Journal of Modern Physics, 10(4), 71-92. https://doi.org/10.11648/j.ajmp.20211004.12

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ACS Style

Stefan Weyna. Silent Ships - a New Challenge for the Shipbuilding Industry. Am. J. Mod. Phys. 2021, 10(4), 71-92. doi: 10.11648/j.ajmp.20211004.12

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AMA Style

Stefan Weyna. Silent Ships - a New Challenge for the Shipbuilding Industry. Am J Mod Phys. 2021;10(4):71-92. doi: 10.11648/j.ajmp.20211004.12

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@article{10.11648/j.ajmp.20211004.12,
  author = {Stefan Weyna},
  title = {Silent Ships - a New Challenge for the Shipbuilding Industry},
  journal = {American Journal of Modern Physics},
  volume = {10},
  number = {4},
  pages = {71-92},
  doi = {10.11648/j.ajmp.20211004.12},
  url = {https://doi.org/10.11648/j.ajmp.20211004.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajmp.20211004.12},
  abstract = {This publication presents new research techniques for noise abatement on ships obtaining vibroacoustic parameters of passenger and crew accommodations for newly designed ships. The construction of low-noise ships is a new technical challenge for naval architects, shipbuilders and shipowners. It also requires a new way of looking at these problems. The suggested new research methods based on sound intensity (SI) and laser anemometry techniques (PIV, LDA) in combination with graphical presentation as acoustical imaging (AI) of the field distribution of acoustic wave flows, gives a full range of interpretation possibilities of energy effects and the precautions taken. This will ensure vibro-acoustic optimisation of the product and meet design and standardisation objectives for noise and vibration levels on board. SI analyses are supported by acoustic orthogonal decomposition (AOD) of disturbed acoustic vector fields with a turbulent structure. The innovative SI-AOD method, combined with acoustical imaging (AI) of the results, allows a comprehensive interpretation of noise causes and becomes an highly effective tool for noise abatement on board ships. With a new, holistic approach to explain the mechanism of penetration of structure-borne and airborne sounds into ship interiors, it creates a balance of acoustic power of local sources of noise, which is the basis for the choice of methods for noise reduction. The author describes the mechanism of noise generation inside shipboard accommodations and in shipboard HVAC systems.},
 year = {2021}
}

Copy | Download

TY  - JOUR
T1  - Silent Ships - a New Challenge for the Shipbuilding Industry
AU  - Stefan Weyna
Y1  - 2021/08/12
PY  - 2021
N1  - https://doi.org/10.11648/j.ajmp.20211004.12
DO  - 10.11648/j.ajmp.20211004.12
T2  - American Journal of Modern Physics
JF  - American Journal of Modern Physics
JO  - American Journal of Modern Physics
SP  - 71
EP  - 92
PB  - Science Publishing Group
SN  - 2326-8891
UR  - https://doi.org/10.11648/j.ajmp.20211004.12
AB  - This publication presents new research techniques for noise abatement on ships obtaining vibroacoustic parameters of passenger and crew accommodations for newly designed ships. The construction of low-noise ships is a new technical challenge for naval architects, shipbuilders and shipowners. It also requires a new way of looking at these problems. The suggested new research methods based on sound intensity (SI) and laser anemometry techniques (PIV, LDA) in combination with graphical presentation as acoustical imaging (AI) of the field distribution of acoustic wave flows, gives a full range of interpretation possibilities of energy effects and the precautions taken. This will ensure vibro-acoustic optimisation of the product and meet design and standardisation objectives for noise and vibration levels on board. SI analyses are supported by acoustic orthogonal decomposition (AOD) of disturbed acoustic vector fields with a turbulent structure. The innovative SI-AOD method, combined with acoustical imaging (AI) of the results, allows a comprehensive interpretation of noise causes and becomes an highly effective tool for noise abatement on board ships. With a new, holistic approach to explain the mechanism of penetration of structure-borne and airborne sounds into ship interiors, it creates a balance of acoustic power of local sources of noise, which is the basis for the choice of methods for noise reduction. The author describes the mechanism of noise generation inside shipboard accommodations and in shipboard HVAC systems.
VL  - 10
IS  - 4
ER  -

Copy | Download