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Modelling and Simulation of a Floating Oscillating Water Column

[+] Author Affiliations
Adi Kurniawan, Jo̸rgen Hals, Torgeir Moan

Norwegian University of Science and Technology, Trondheim, Norway

Paper No. OMAE2011-49263, pp. 395-406; 12 pages
doi:10.1115/OMAE2011-49263
From:
  • ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 5: Ocean Space Utilization; Ocean Renewable Energy
  • Rotterdam, The Netherlands, June 19–24, 2011
  • ISBN: 978-0-7918-4437-3
  • Copyright © 2011 by ASME

abstract

This article describes the computation of hydrodynamic parameters, modelling, and simulation of a floating oscillating water column wave energy device. The frequency-domain hydrodynamic parameters are computed using a three-dimensional panel method. Parameters related to wave radiation due to applied air pressure inside the air chamber are evaluated from reciprocity relations, without having to solve explicitly for the radiation potential due to the applied pressure. The dynamics of the whole system, including nonlinear air compressibility and relief valve characteristics, is modelled using bond graph as a tool. Both time- and linear frequency-domain models are described and selected simulation results, especially the converted power, are presented.

Copyright © 2011 by ASME
Topics: Simulation , Modeling , Water

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