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  4. Simulating marine propellers with vortex particle method
 
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Simulating marine propellers with vortex particle method

Citation Link: https://doi.org/10.15480/882.2921
Publikationstyp
Journal Article
Date Issued
2017-01-31
Sprache
English
Author(s)
Wang, Youjiang  orcid-logo
Abdel-Maksoud, Moustafa  orcid-logo
Song, Baowei  
Institut
Fluiddynamik und Schiffstheorie M-8  
TORE-DOI
10.15480/882.2921
TORE-URI
http://hdl.handle.net/11420/3252
Journal
Physics of fluids  
Volume
29
Issue
1
Article Number
017103
Citation
Physics of Fluids 1 (29): 017103 (2017)
Publisher DOI
10.1063/1.4974522
Scopus ID
2-s2.0-85011273447
Publisher
American Institute of Physics
The vortex particle method is applied to compute the open water characteristics of marine propellers. It is based on the large-eddy simulation technique, and the Smagorinsky-Lilly sub-grid scale model is implemented for the eddy viscosity. The vortex particle method is combined with the boundary element method, in the sense that the body is modelled with boundary elements and the slipstream is modelled with vortex particles. Rotational periodic boundaries are adopted, which leads to a cylindrical sector domain for the slipstream. The particle redistribution scheme and the fast multipole method are modified to consider the rotational periodic boundaries. Open water characteristics of three propellers with different skew angles are calculated with the proposed method. The results are compared with the ones obtained with boundary element method and experiments. It is found that the proposed method predicts the open water characteristics more accurately than the boundary element method, especially for high loading condition and high skew propeller. The influence of the Smagorinsky constant is also studied, which shows the results have a low sensitivity to it.
DDC Class
600: Technik
620: Ingenieurwissenschaften
More Funding Information
China Scholarship Council
Lizenz
http://rightsstatements.org/vocab/InC/1.0/
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