A design method based on a lifting line model is developed to determine the optimum radial circulation distribution on a turbine blade, which will produce the maximum output power for a given tip speed ratio and a given number of blades. The resulting optimum circulation distribution is used in order to determine the preliminary shape of the turbine blade. The blade shape is then refined by using an analysis method, based on a vortex-lattice scheme, in combination with a nonlinear optimization method, which determines the blade geometry that will produce the highest output power. Finally, the effect of nonuniform current inflow on the performance of a turbine is also addressed by coupling the vortex-lattice method with a viscous flow solver.
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e-mail: kinnas@mail.utexas.edu
e-mail: weixu-chris@mail.utexas.edu
e-mail: yh.yu@mail.utexas.edu
e-mail: helei@mail.utexas.edu
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February 2012
Ocean Engineering
Computational Methods for the Design and Prediction of Performance of Tidal Turbines
Spyros A. Kinnas,
Spyros A. Kinnas
Ocean Engineering Group, Department of Civil Architectural and Environmental Engineering,
e-mail: kinnas@mail.utexas.edu
The University of Texas at Austin
, Austin, TX 78712
Search for other works by this author on:
Wei Xu,
Wei Xu
Ocean Engineering Group, Department of Civil Architectural and Environmental Engineering,
e-mail: weixu-chris@mail.utexas.edu
The University of Texas at Austin
, Austin, TX 78712
Search for other works by this author on:
Yi-Hsiang Yu,
Yi-Hsiang Yu
Ocean Engineering Group, Department of Civil Architectural and Environmental Engineering,
e-mail: yh.yu@mail.utexas.edu
The University of Texas at Austin
, Austin, TX 78712
Search for other works by this author on:
Lei He
Lei He
Ocean Engineering Group, Department of Civil Architectural and Environmental Engineering,
e-mail: helei@mail.utexas.edu
The University of Texas at Austin
, Austin, TX 78712
Search for other works by this author on:
Spyros A. Kinnas
Ocean Engineering Group, Department of Civil Architectural and Environmental Engineering,
The University of Texas at Austin
, Austin, TX 78712e-mail: kinnas@mail.utexas.edu
Wei Xu
Ocean Engineering Group, Department of Civil Architectural and Environmental Engineering,
The University of Texas at Austin
, Austin, TX 78712e-mail: weixu-chris@mail.utexas.edu
Yi-Hsiang Yu
Ocean Engineering Group, Department of Civil Architectural and Environmental Engineering,
The University of Texas at Austin
, Austin, TX 78712e-mail: yh.yu@mail.utexas.edu
Lei He
Ocean Engineering Group, Department of Civil Architectural and Environmental Engineering,
The University of Texas at Austin
, Austin, TX 78712e-mail: helei@mail.utexas.edu
J. Offshore Mech. Arct. Eng. Feb 2012, 134(1): 011101 (10 pages)
Published Online: October 12, 2011
Article history
Received:
March 12, 2010
Revised:
November 2, 2010
Online:
October 12, 2011
Published:
October 12, 2011
Citation
Kinnas, S. A., Xu, W., Yu, Y., and He, L. (October 12, 2011). "Computational Methods for the Design and Prediction of Performance of Tidal Turbines." ASME. J. Offshore Mech. Arct. Eng. February 2012; 134(1): 011101. https://doi.org/10.1115/1.4003390
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