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Numerical Simulations in the Design of a New Tension-Tethered Marine Current Turbine

[+] Author Affiliations
David Fernandez, Ronald W. Yeung

University of California at Berkeley, Berkeley, CA

Jaime Moreu, Manuel Moreu

Seaplace, Madrid, Spain

Santiago de Guzman

Technical University of Madrid (UPM), Madrid, Spain

Paper No. OMAE2014-24382, pp. V007T12A021; 11 pages
doi:10.1115/OMAE2014-24382
From:
  • ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 7: Ocean Space Utilization; Professor Emeritus J. Randolph Paulling Honoring Symposium on Ocean Technology
  • San Francisco, California, USA, June 8–13, 2014
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-4549-3
  • Copyright © 2014 by ASME

abstract

This paper focuses on the applicability of different Computational Fluid Dynamics (CFD) software for the design of marine current turbines. As part of the conceptual design process, Seaplace has carried out a detailed numerical and experimental hydrodynamic program to optimize a new Tension-Tethered Turbine concept for harnessing energy from marine currents. Three different codes have been assessed, based on the demands from each phase: OpenProp, TurbProp, and ANSYS® CFX®. The paper provides an extensive summary of the main outcomes from the turbine optimization process to achieve highest efficiencies. A description of the tested geometries and the implementation of TurbProp to account for inline turbine solutions is included. Simulations for the test-model and prototype scales have been performed, with the pressure distributions, flow streamlines and power coefficients presented as primary results. The influence of simulation results on the final turbine configurations is discussed.

Copyright © 2014 by ASME

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