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首页> 外文期刊>Renewable energy >Hydrodynamic performance of a pile-restrained WEC-type floating breakwater: An experimental study
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Hydrodynamic performance of a pile-restrained WEC-type floating breakwater: An experimental study

机译：桩约束的WEC型浮式防波堤的水动力性能试验研究

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In this paper, a system which integrates an oscillating buoy type wave energy converter with a vertical pile-restrained floating breakwater is introduced. A preliminary experimental study on the hydrodynamic performance of the system is carried out in a wave flume under the action of regular waves. A current controller-magnetic powder brake system is used to simulate the power generation system. The design is verified against published results. The power-take off damping characteristics are investigated, and the current controller-magnetic powder brake system can simulate the (approximate) Coulomb damping force very well. The effects of various parameters, including wave period and wave height, dimensions of the system and excitation current, on the hydrodynamic performance are investigated. Results indicate that the power take-off damping force, draft and relative width between the floating breakwater and the wavelength have a significant influence on the hydrodynamic performance of the system. A range can be observed for which the capture width ratio of the system can achieve approximately 24% while transmission coefficient was kept lower than 0.50 with the proper adjustment of power take-off damping force, and the floating breakwater performs in an effective manner. The new concept provides a promising way to utilize wave energy cost-effectively. (C) 2016 Elsevier Ltd. All rights reserved.
机译：本文介绍了一种将振荡浮标型波能转换器与垂直约束桩的浮动防波堤相集成的系统。在规则波浪的作用下，在波浪水槽中进行了系统水动力性能的初步实验研究。电流控制器-电磁粉末制动系统用于模拟发电系统。根据发布的结果验证了设计。研究了取力器的阻尼特性，电流控制器-电磁粉末制动系统可以很好地模拟（近似）库仑阻尼力。研究了波浪周期和波浪高度，系统尺寸和励磁电流等各种参数对流体动力性能的影响。结果表明，取力器的阻尼力，浮动防波堤的吃水深度和相对宽度以及波长对系统的水动力性能都有重要影响。可以观察到这样的范围，即，通过适当地调节取力阻尼力，可以使系统的捕集宽度比达到约24％，同时将传输系数保持在0.50以下，并且浮动防波堤可以有效地发挥作用。新概念提供了一种有前途的方式来有效地利用波浪能。 （C）2016 Elsevier Ltd.保留所有权利。

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