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Time domain prediction of power absorption from ocean waves with latching control

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  • Kara, Fuat

Abstract

A three-dimensional panel method using Neumann–Kelvin method is presented for the transient wave-body interaction problems in order to absorb maximum power from the sea. The exact initial boundary value problem is linearized about a uniform flow, and recast as an integral equation using the transient free-surface Green function. The hydrodynamics part of the solution including radiation and diffraction problem is solved as impulsive velocity problem. A discrete control of latching is used to increase the bandwidth of the efficiency of the wave energy converters (WEC). When latching control is applied to WEC in the case of off-resonance condition it increases the amplitude of the motion as well as absorbed power. It is assumed that the exciting force is known in the close future and that body is hold in position during the latching time. A heaving hemisphere as a point-absorber WEC is used for the numerical prediction of the different parameters. The calculated hydrodynamics coefficients, response amplitude operator, absorbed power, relative capture width of this device compared with analytical and other published results.

Suggested Citation

  • Kara, Fuat, 2010. "Time domain prediction of power absorption from ocean waves with latching control," Renewable Energy, Elsevier, vol. 35(2), pages 423-434.
    • Handle: RePEc:eee:renene:v:35:y:2010:i:2:p:423-434
    DOI: 10.1016/j.renene.2009.06.003
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    Citations

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    Cited by:

    1. Bódai, Tamás & Srinil, Narakorn, 2015. "Performance analysis and optimization of a box-hull wave energy converter concept," Renewable Energy, Elsevier, vol. 81(C), pages 551-565.
    2. Kara, Fuat, 2022. "Effects of a vertical wall on wave power absorption with wave energy converters arrays," Renewable Energy, Elsevier, vol. 196(C), pages 812-823.
    3. Sheng, Wanan & Alcorn, Raymond & Lewis, Anthony, 2015. "On improving wave energy conversion, part II: Development of latching control technologies," Renewable Energy, Elsevier, vol. 75(C), pages 935-944.
    4. Sheng, Wanan & Alcorn, Raymond & Lewis, Anthony, 2015. "On improving wave energy conversion, part I: Optimal and control technologies," Renewable Energy, Elsevier, vol. 75(C), pages 922-934.
    5. Renzi, E. & Abdolali, A. & Bellotti, G. & Dias, F., 2014. "Wave-power absorption from a finite array of oscillating wave surge converters," Renewable Energy, Elsevier, vol. 63(C), pages 55-68.
    6. Kara, Fuat, 2016. "Time domain prediction of power absorption from ocean waves with wave energy converter arrays," Renewable Energy, Elsevier, vol. 92(C), pages 30-46.
    7. Bucchi, Andrea & Hearn, Grant E., 2013. "Delay or removal of aneurysm formation in the Anaconda wave energy extraction device," Renewable Energy, Elsevier, vol. 55(C), pages 104-119.
    8. Burgaç, Alper & Yavuz, Hakan, 2019. "Fuzzy Logic based hybrid type control implementation of a heaving wave energy converter," Energy, Elsevier, vol. 170(C), pages 1202-1214.
    9. Liguo Wang & Jan Isberg, 2015. "Nonlinear Passive Control of a Wave Energy Converter Subject to Constraints in Irregular Waves," Energies, MDPI, vol. 8(7), pages 1-15, June.
    10. Elie Al Shami & Ran Zhang & Xu Wang, 2018. "Point Absorber Wave Energy Harvesters: A Review of Recent Developments," Energies, MDPI, vol. 12(1), pages 1-36, December.
    11. Ozkop, Emre & Altas, Ismail H., 2017. "Control, power and electrical components in wave energy conversion systems: A review of the technologies," Renewable and Sustainable Energy Reviews, Elsevier, vol. 67(C), pages 106-115.
    12. Jama, M.A. & Noura, H. & Wahyudie, A. & Assi, A., 2015. "Enhancing the performance of heaving wave energy converters using model-free control approach," Renewable Energy, Elsevier, vol. 83(C), pages 931-941.

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