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Mathematical Modeling and Experimental Verification of a New Wave Energy Converter

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  • Zhongliang Meng

    (Key Laboratory of High Effificiency and Clean Mechanical Manufacture, Institute of Marine Science and Technology, School of Mechanical Engineering, Shandong University, Qingdao 266237, China
    Mechanical and Electrical Engineering, Zaozhuang University, Zaozhuang 277160, China)

  • Yanjun Liu

    (Key Laboratory of High Effificiency and Clean Mechanical Manufacture, Institute of Marine Science and Technology, School of Mechanical Engineering, Shandong University, Qingdao 266237, China)

  • Jian Qin

    (Key Laboratory of High Effificiency and Clean Mechanical Manufacture, Institute of Marine Science and Technology, School of Mechanical Engineering, Shandong University, Qingdao 266237, China)

  • Yun Chen

    (Key Laboratory of High Effificiency and Clean Mechanical Manufacture, Institute of Marine Science and Technology, School of Mechanical Engineering, Shandong University, Qingdao 266237, China)

Abstract

As traditional energy sources are increasingly depleting, ocean energy has become an emergent potential clean energy source. Wave energy, as an important part of ocean-derived energy, has been studied and utilized by coastal countries worldwide, which have developed various wave energy converters. In this paper, a new wave energy converter is designed, and water movement in fluid channels is analyzed. The results are, then, used to generate a mathematical model that simulates water movement. Based on this approach, the water movement state is analyzed, and a formula for calculating the natural frequency of water movement in the power generator is derived. The formula shows that the characteristic length of the water movement in the proposed generator and the backboard tilt angle at the exit point of the fluid channel are two design-related variables that can be used to alter the natural frequency; a regular wave experiment is conducted based on the fluid model, which is designed based on the natural frequency formula, to verify the changes in model torque and speed as well as whether the model can operate under normal wave conditions. This study lays a theoretical foundation for the design of further experiments and engineering prototypes to verify the validity of mathematical models by way of experimental analysis.

Suggested Citation

  • Zhongliang Meng & Yanjun Liu & Jian Qin & Yun Chen, 2020. "Mathematical Modeling and Experimental Verification of a New Wave Energy Converter," Energies, MDPI, vol. 14(1), pages 1-13, December.
    • Handle: RePEc:gam:jeners:v:14:y:2020:i:1:p:177-:d:473214
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    References listed on IDEAS

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    Cited by:

    1. Eugen Rusu, 2021. "Special Issue “Advances and Challenges in Harvesting Ocean Energy”," Energies, MDPI, vol. 14(15), pages 1-4, July.
    2. Zhongliang Meng & Yun Chen & Shizhen Li, 2022. "The Shape Optimization and Experimental Research of Heave Plate Applied to the New Wave Energy Converter," Energies, MDPI, vol. 15(4), pages 1-12, February.

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