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Boundary Element Method Applied to Added Mass Coefficient Calculation of the Skewed Marine Propellers Cover

Boundary Element Method Applied to Added Mass Coefficient Calculation of the Skewed Marine Propellers

By: Ehsan Yari and  Hassan Ghassemi  
Open Access
|Jun 2016

Abstract

The paper mainly aims to study computation of added mass coefficients for marine propellers. A three-dimensional boundary element method (BEM) is developed to predict the propeller added mass and moment of inertia coefficients. Actually, only few experimental data sets are available as the validation reference. Here the method is validated with experimental measurements of the B-series marine propeller. The behavior of the added mass coefficients predicted based on variation of geometric and flow parameters of the propeller is calculated and analyzed. BEM is more accurate in obtaining added mass coefficients than other fast numerical methods. All added mass coefficients are nondimensionalized by fluid density, propeller diameter, and rotational velocity. The obtained results reveal that the diameter, expanded area ratio, and thickness have dominant influence on the increase of the added mass coefficients.

DOI: https://doi.org/10.1515/pomr-2016-0017 | Journal eISSN: 2083-7429 | Journal ISSN: 1233-2585
Language: English
Page range: 25 - 31
Published on: Jun 30, 2016
Published by: Gdansk University of Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2016 Ehsan Yari, Hassan Ghassemi, published by Gdansk University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.