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Numerical analysis of influence of ship hull form modification on ship resistance and propulsion characteristics Part II Influence of hull form modification on wake current behind the ship

Abstract

After signing ship building contract shipyard’s design office orders performance of ship resistance and propulsion model tests aimed at, apart from resistance measurements, also determination of ship speed, propeller rotational speed and propulsion engine power for the designed ship, as well as improvement of its hull form, if necessary. Range of ship hull modifications is practically very limited due to cost and time reasons. Hence numerical methods, mainly CFD ones are more and more often used for such tests. In this paper consisted of three parts, are presented results of numerical calculations of hull resistance, wake and efficiency of propeller operating in non-homogenous velocity field, performed for research on 18 hull versions of B573 ship designed and built by Szczecin Nowa Shipyard.

Keywords:

ship hull geometry, numerical (computational) fluid dynamics, resistance, wake, propeller efficiency

Details

Issue
Vol. 17 No. 1(63) (2010)
Section
Latest Articles
Published
27-09-2010
DOI:
https://doi.org/10.2478/v10012-008-0059-8
Licencja:
Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Open Access License

This journal provides immediate open access to its content under the Creative Commons BY 4.0 license. Authors who publish with this journal retain all copyrights and agree to the terms of the CC BY 4.0 license.

 

Authors

  • Tomasz Abramowski

    West Pomeranian University of Technology, Faculty of Marine Technology
  • Tadeusz Szelangiewicz

    West Pomeranian University of Technology, Faculty of Marine Technology

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