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The influence of wind, wave and loading condition on total resistance and speed of the vessel

Abstract

Optimising the ship route is one of the most important tasks related to the operation of the vessel, its safety, and economic aspects of transport. Nevertheless, from a mathematical point of view, this problem has not been solved yet sufficiently precisely due to very high complexity of the model to be used to describe the motion of the ship along the shipping line, and time- and space-dependent average values of statistical weather parameters recorded during ship sailing. That is why various approximate methods are used, which, among other procedures, utilize ship speed characteristics, having the form of very simple relations between basic dimensions of the ship and the expected speed decrease at the assumed weather parameters. The paper presents a new method of calculating the speed decrease depending on technical and operating parameters of a given vessel. A computer code prepared based on this method is used for research on forecasting ship speed in real weather conditions.

Keywords:

optimization of route navigation of the vessel, vessel’s speed calculation

Details

Issue
Vol. 21 No. 3(83) (2014)
Section
Latest Articles
Published
28-10-2014
DOI:
https://doi.org/10.2478/pomr-2014-0031
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

  • Tadeusz Szelangiewicz

    Maritime University of Szczecin
  • Bernard Wiśniewski

    Maritime University of Szczecin
  • Katarzyna Żelazny

    West Pomeranian University of Technology

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