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A semi-empirical pod model for USCG icebreaker mackinaw. Part I. The empirical data

AuteurRechercher : 1
Affiliation
  1. Conseil national de recherches Canada. Génie océanique, côtier et fluvial
FormatTexte, Article
ConférenceThe 24th IAHR International Symposium on Ice, June 4-9, 2018, Vladivostok, Russia
Résumé
A semi-empirical pod model is developed based on experimental data for the USCGC Mackinaw to predict propulsion forces for the icebreaker driven by twin podded propulsors. The experiments are conducted in straight-ahead motion with the azimuth angle of one of the twin pods steered in a range from 0 to 180o. In this pod model, assumption was made to extend the test data to the full range of 360o azimuth angles and advance coefficients. Analysis was then performed to allow these test data for application of any planar motion including turning by considering hull-pod interaction. This is Part I of a two-part paper. In this paper, the results from ice tank tests are presented. These include steering moment generated by the propulsors, thrust and torque of the propellers and the forces exerted on the hull at the location of the connection of the propulsors. The procedure to extend the empirical data to the full range is then presented. The agreement between static and dynamic data and the symmetry of the data is considered.
Date de publication
Maison d’éditionInternational Association for Hydro-Environment Engineering and Research Ice Research and Engineering
Far Eastern Federal University
Dans
  • Proceedings of the 24th IAHR International Symposium on Ice : 328–335.
Langueanglais
Publications évaluées par des pairsOui
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Identificateur de l’enregistrementdfcd9fb4-8228-4f46-89e4-69c75b81a901
Enregistrement créé2019-05-15
Enregistrement modifié2020-03-16

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