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Effect of a Support Tower on the Performance and Wake of a Tidal Current Turbine

Author

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  • Zia Ur Rehman

    (Department of Mechanical Engineering, International Islamic University Islamabad, Islamabad 44000, Pakistan)

  • Saeed Badshah

    (Department of Mechanical Engineering, International Islamic University Islamabad, Islamabad 44000, Pakistan)

  • Amer Farhan Rafique

    (Aerospace Engineering Department, Faculty of Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia)

  • Mujahid Badshah

    (Department of Mechanical Engineering, International Islamic University Islamabad, Islamabad 44000, Pakistan)

  • Sakhi Jan

    (Department of Mechanical Engineering, International Islamic University Islamabad, Islamabad 44000, Pakistan)

  • Muhammad Amjad

    (Department of Mechanical Engineering, International Islamic University Islamabad, Islamabad 44000, Pakistan)

Abstract

Tidal energy is one of the major sources of renewable energy. To accelerate the development of tidal energy, improved designs of Tidal Current Turbine (TCT) are necessary. The effect of tower on performance and wake of TCT is investigated using Computational Fluid Dynamics (CFD) simulations. Transient analysis with transient rotor stator frame change model and shear stress transport turbulence model are utilized in ANSYS CFX. An experimentally validated numerical model with full scale tidal turbine with a blockage ratio of 14.27% and Tip Speed Ratio (TSR) 4.87 is used to simulate the effect of different tower diameters on performance and wake. The effect of different tower diameters is quantified in terms of coefficient of performance (C P ). Coefficient of performance for a 3.5 m tower diameter is 0.472 which is followed by 3, 2.5 and 2 m with coefficients of performance of 0.476, 0.478 and 0.476 respectively. Similarly, the coefficient of thrust (C T ) on the rotor for 3.5 m tower diameter is 0.902, for 3 m diameter 0.906 and for 2.5 and 2 m diameters are 0.908 and 0.906 respectively.

Suggested Citation

  • Zia Ur Rehman & Saeed Badshah & Amer Farhan Rafique & Mujahid Badshah & Sakhi Jan & Muhammad Amjad, 2021. "Effect of a Support Tower on the Performance and Wake of a Tidal Current Turbine," Energies, MDPI, vol. 14(4), pages 1-13, February.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:4:p:1059-:d:501101
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    References listed on IDEAS

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    Cited by:

    1. Jiayan Zhou & Huijuan Guo & Yuan Zheng & Zhi Zhang & Cong Yuan & Bin Liu, 2023. "Research on Wake Field Characteristics and Support Structure Interference of Horizontal Axis Tidal Stream Turbine," Energies, MDPI, vol. 16(9), pages 1-16, May.

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