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Proceedings Paper

Standing wave tube electro active polymer wave energy converter
Author(s): Philippe Jean; Ambroise Wattez; Guillaume Ardoise; C. Melis; R. Van Kessel; A. Fourmon; E. Barrabino; J. Heemskerk; J. P. Queau
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Paper Abstract

Over the past 4 years SBM has developed a revolutionary Wave Energy Converter (WEC): the S3. Floating under the ocean surface, the S3 amplifies pressure waves similarly to a Ruben's tube. Only made of elastomers, the system is entirely flexible, environmentally friendly and silent. Thanks to a multimodal resonant behavior, the S3 is capable of efficiently harvesting wave energy from a wide range of wave periods, naturally smoothing the irregularities of ocean wave amplitudes and periods. In the S3 system, Electro Active Polymer (EAP) generators are distributed along an elastomeric tube over several wave lengths, they convert wave induced deformations directly into electricity. The output is high voltage multiphase Direct Current with low ripple. Unlike other conventional WECs, the S3 requires no maintenance of moving parts. The conception and operating principle will eventually lead to a reduction of both CAPEX and OPEX. By integrating EAP generators into a small scale S3, SBM achieved a world first: direct conversion of wave energy in electricity with a moored flexible submerged EAP WEC in a wave tank test. Through an extensive testing program on large scale EAP generators, SBM identified challenges in scaling up to a utility grid device. French Government supports the consortium consisting of SBM, IFREMER and ECN in their efforts to deploy a full scale prototype at the SEMREV test center in France at the horizon 2014-2015. SBM will be seeking strategic as well as financial partners to unleash the true potentials of the S3 Standing Wave Tube Electro Active Polymer WEC.

Paper Details

Date Published: 5 April 2012
PDF: 21 pages
Proc. SPIE 8340, Electroactive Polymer Actuators and Devices (EAPAD) 2012, 83400C (5 April 2012); doi: 10.1117/12.934222
Show Author Affiliations
Philippe Jean, SBM Offshore (Monaco)
Ambroise Wattez, SBM Offshore (Monaco)
Guillaume Ardoise, SBM Offshore (Monaco)
C. Melis, SBM Offshore (Monaco)
R. Van Kessel, SBM Offshore (Monaco)
A. Fourmon, SBM Offshore (Monaco)
E. Barrabino, SBM Offshore (Monaco)
J. Heemskerk, SBM Offshore (Monaco)
J. P. Queau, SBM Offshore (Monaco)

Published in SPIE Proceedings Vol. 8340:
Electroactive Polymer Actuators and Devices (EAPAD) 2012
Yoseph Bar-Cohen, Editor(s)

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