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  4. A Hybrid Numerical Method for Investigating Underwater Sound Propagation of Cavitating Propellers
 
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A Hybrid Numerical Method for Investigating Underwater Sound Propagation of Cavitating Propellers

Publikationstyp
Conference Paper
Date Issued
2017-06
Sprache
English
Author(s)
Göttsche, Ulf  orcid-logo
Scharf, Martin  
Berger, Stephan  orcid-logo
Abdel-Maksoud, Moustafa  orcid-logo
Herausgeber*innen
Sánchez-Caja, Vladimir  
Institut
Fluiddynamik und Schiffstheorie M-8  
TORE-URI
http://hdl.handle.net/11420/8098
Volume
3
Start Page
520
End Page
527
Citation
International Symposium on Marine Propulsors (smp 2017)
Contribution to Conference
5th International Symposium on Marine Propulsors (smp 2017)  
Publisher Link
http://www.marinepropulsors.com/proceedings/2017/WA1-3.pdf
Publisher
VTT Technical Research Centre of Finland Ltd
The present article deals with the prediction of the underwater noise induced by ship propellers under consideration of sheet cavitation on the propeller blades. The calculation method is a hybrid approach combining a boundary element calculation method with the Ffowcs-Williams Hawkings equation. The method is applied to different simulation cases with increasing complexity. The final case considers the noise propagation in full-scale for a cavitating propeller in combination with a part of a ship stern. This simulation result is compared to a full-scale measurement.
Subjects
Boundary element method
Propeller noise
Sheet cavitation
Ffowcs-Wiliams Hawkings
FWH
Funding(s)
Entwicklung eines hybriden Verfahrens zur Berechnung der Schallabstrahlung von Schiffspropellern - Effiziente Simulation der Schallabstrahlung von Propellern unter Berücksichtigung von Kavitation m.e. hybriden Randelementeverfahren  
More Funding Information
Bundesministerium für Wirtschaft und Technologie (BWWi)
TUHH
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