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Experimental analysis of submerged flapping foils; implications for autonomous surface vehicles (ASVs)

Experimental analysis of submerged flapping foils; implications for autonomous surface vehicles (ASVs)
Experimental analysis of submerged flapping foils; implications for autonomous surface vehicles (ASVs)
Autonomous surface vehicles (ASVs) have proven effective as ocean observing platforms for maritime operations. In most cases it is advantageous to operate ASVs for extensive missions in order to maximize their cost effectiveness. Such long endurance missions require ASVs to be capable of scavenging ambient energy from the surrounding ocean environment. Submerged flapping foils are currently utilized as an effective mechanism to convert ocean wave energy directly into propulsion.
The authors propose a novel setup whereby these foils can heave relative to the surface vehicle and, through the application of a power take off (PTO) system, can recover a proportion of the incoming wave energy.
Experiments were performed to investigate the coupled response between a surface vehicle and submerged flapping foils within the context of generating power and propulsion from incoming waves onboard ASVs. Results show that the response of a surface vehicle with submerged flapping foils is particularly sensitive to design parameters such as the longitudinal location of the foils and the seakeeping characteristics of the surface vehicle.
Through optimising the PTO system, this setup could recover a useful proportion of wave energy for ASV platforms.
Vehicles, Propulsion, Surface waves, Force, Sea surface, Generators, Energy harvesting
IEEE
Bowker, James
7e0d368b-4c3b-4daf-a831-57158eacd738
Townsend, Nicholas
3a4b47c5-0e76-4ae0-a086-cf841d610ef0
Tan, Ming-Yi
4d02e6ad-7915-491c-99cc-a1c85348267c
Shenoi, Ajit
a37b4e0a-06f1-425f-966d-71e6fa299960
Bowker, James
7e0d368b-4c3b-4daf-a831-57158eacd738
Townsend, Nicholas
3a4b47c5-0e76-4ae0-a086-cf841d610ef0
Tan, Ming-Yi
4d02e6ad-7915-491c-99cc-a1c85348267c
Shenoi, Ajit
a37b4e0a-06f1-425f-966d-71e6fa299960

Bowker, James, Townsend, Nicholas, Tan, Ming-Yi and Shenoi, Ajit (2016) Experimental analysis of submerged flapping foils; implications for autonomous surface vehicles (ASVs). In OCEANS 2016 MTS/IEEE Monterey. IEEE. 10 pp . (doi:10.1109/OCEANS.2016.7761324).

Record type: Conference or Workshop Item (Paper)

Abstract

Autonomous surface vehicles (ASVs) have proven effective as ocean observing platforms for maritime operations. In most cases it is advantageous to operate ASVs for extensive missions in order to maximize their cost effectiveness. Such long endurance missions require ASVs to be capable of scavenging ambient energy from the surrounding ocean environment. Submerged flapping foils are currently utilized as an effective mechanism to convert ocean wave energy directly into propulsion.
The authors propose a novel setup whereby these foils can heave relative to the surface vehicle and, through the application of a power take off (PTO) system, can recover a proportion of the incoming wave energy.
Experiments were performed to investigate the coupled response between a surface vehicle and submerged flapping foils within the context of generating power and propulsion from incoming waves onboard ASVs. Results show that the response of a surface vehicle with submerged flapping foils is particularly sensitive to design parameters such as the longitudinal location of the foils and the seakeeping characteristics of the surface vehicle.
Through optimising the PTO system, this setup could recover a useful proportion of wave energy for ASV platforms.

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OCEANS16 Experimental analysis of submerged flapping foils_implications for autonomous surface vehicles (ASVs).pdf - Accepted Manuscript
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More information

Accepted/In Press date: 20 May 2016
e-pub ahead of print date: 1 December 2016
Published date: 1 December 2016
Venue - Dates: OCEANS'16 MTS/IEEE, Monterey, United States, 2016-01-01 - 2016-01-01
Keywords: Vehicles, Propulsion, Surface waves, Force, Sea surface, Generators, Energy harvesting
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 400786
URI: http://eprints.soton.ac.uk/id/eprint/400786
PURE UUID: 2b74f0d7-d91d-47b6-96ba-102600b94f2e

Catalogue record

Date deposited: 27 Sep 2016 10:45
Last modified: 03 Jan 2020 11:05

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