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Auto-pitch wing-in-ground effect oscillating foils for marine propulsion

Wang, J, Liu, P, Chin, C ORCID: 0000-0002-3070-731X and He, G 2020 , 'Auto-pitch wing-in-ground effect oscillating foils for marine propulsion', in Proceedings of the 30th International Ocean and Polar Engineering Conference , International Society of Offshore and Polar Engineers, USA, pp. 3544-3550 .

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Abstract

An auto-pitch wing-in-ground effect oscillating foil propulsor (APWIGs) is numerically modelled by means of an unsteady Reynolds Averaged Navier-Stokes solver. Locomotion of the biplane configuration is characterized as actively heaving motion in counterphase and passively pitching motion based on hydro-elastic moment. A comprehensive computation of propulsive properties for APWIGs as a function of frequency ratio and advance coefficient is performed. A consistently high propulsive efficiency is produced by APWIGs using a frequency ratio within the range of 1.1 to 1.4. It was found that the operation of APWIGs has an independence of forward speed within current parametric space.

Item Type: Conference Publication
Authors/Creators:Wang, J and Liu, P and Chin, C and He, G
Keywords: hydro-elasticity, fluid-structure interaction, wing-inground effect, marine propulsion
Journal or Publication Title: Proceedings of the 30th International Ocean and Polar Engineering Conference
Publisher: International Society of Offshore and Polar Engineers
Copyright Information:

Copyright 2020 International Society of Offshore and Polar Engineers (ISOPE)

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