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http://dx.doi.org/10.3744/SNAK.2010.47.4.496

An Experimental Study on the Vertical Motion of a High-Speed Planing Craft in Regular Following Waves  

Kim, Dong-Jin (Department of Naval Architecture and Ocean Engineering, Seoul National University)
Rhee, Key-Pyo (Department of Naval Architecture and Ocean Engineering, Seoul National University)
You, Young-Jun (Department of Naval Architecture and Ocean Engineering, Seoul National University)
Park, Han-Sol (Department of Naval Architecture and Ocean Engineering, Seoul National University)
Publication Information
Journal of the Society of Naval Architects of Korea / v.47, no.4, 2010 , pp. 496-507 More about this Journal
Abstract
It is well known that when a high-speed planing craft travels in following seas it experiences long-periodic motions due to low encounter frequency, and it often loses its course keeping stability. Therefore, it is necessary to study the sea-keeping performance and stability of it in the following seas. In this paper, the vertical motions of a planing craft were measured in following regular waves, and the test results were compared with the theoretical results. In the case of the same encounter frequency, non-dimensionalized motion amplitudes become larger as Froude number is higher, and non-dimensionalized motion amplitudes in head waves are larger than those in following waves. The mean values of the motions in following waves are similar to the running attitudes of a craft in calm water at the same Froude number.
Keywords
High-speed planing craft; Regular following waves; High-speed towing test; Vertical motion response;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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