NDLI: Augmenting ship propulsion in waves by flapping-foil thrusters

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Augmenting ship propulsion in waves by flapping-foil thrusters

Content Provider	Scilit
Author	Belibassakis, K.
Copyright Year	2021
Description	Flapping foils located beneath the ship's hull are investigated an unsteady thruster, augmenting ship propulsion in rough seas and offering dynamic stabilization. The foil undergoes a combined oscillatory motion in the presence of waves. For the system in the horizontal arrangement the vertical heaving motion of the hydrofoil is induced by the motion of the ship in waves, essentially ship's heave and pitch, while the rotational pitching motion of the foil about its pivot axis is set by an active control mechanism. A numerical BEM has been developed and applied to demonstrate that significant energy can be extracted from the waves. Furthermore, energy extraction under random wave conditions is studied and the effects of the wavy free surface are taken into account through the satisfaction of the corresponding boundary conditions. Numerical results concerning thrust coefficient are shown, indicating significant performance under variety of operating conditions. Preliminary results are presented concerning the applicability of the system for specific vessels for extracting energy from sea waves and augmenting ship propulsion in waves. Book Name: Developments in Maritime Technology and Engineering
Related Links	https://api.taylorfrancis.com/content/chapters/edit/download?identifierName=doi&identifierValue=10.1201/9781003216599-1&type=chapterpdf
Ending Page	9
Page Count	7
Starting Page	3
DOI	10.1201/9781003216599-1
Language	English
Publisher	Informa UK Limited
Publisher Date	2021-07-08
Access Restriction	Open
Subject Keyword	Book Name: Developments in Maritime Technology and Engineering Marine Engineering Pitching Flapping Thrusters Augmenting Propulsion Numerical
Content Type	Text
Resource Type	Chapter

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