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Vertical motions damping model test of a lifeboat lowered onto a flat sea surface

Abstract

The article presents the experiment’s results of the lifeboat model lowered with an initial speed and then released to fall onto a flat water surface. The purpose of the research is to determine the trajectory of the vertical boat motion and describe it with a mathematical model. This is closely related to determining the damping factor since the vertical motion is damped and the lifeboat gets balanced and stops moving after some time. The procedure of selecting parameters in the mathematical model to adjust to the results of the experiment was described in details. The summary describes the imperfections of the presented damping model and their probable causes.

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DOI:
Digital Object Identifier (open in new tab) 10.2478/pomr-2018-0022
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Creative Commons: CC-BY-NC-ND open in new tab

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Details

Category:
Articles
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
Polish Maritime Research no. 25, edition S1(97), pages 51 - 55,
ISSN: 1233-2585
Language:
English
Publication year:
2018
Bibliographic description:
Kniat A., Dymarski P.: Vertical motions damping model test of a lifeboat lowered onto a flat sea surface// Polish Maritime Research. -Vol. 25, iss. S1(97) (2018), s.51-55
DOI:
Digital Object Identifier (open in new tab) 10.2478/pomr-2018-0022
Verified by:
Gdańsk University of Technology

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