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| 带有射流控制的新型扑翼获能特性数值模拟研究 |
| Numerical simulation of energy extraction characteristics of a new type of flapping foil with jet flow control |
| 投稿时间：2020-03-04 |
| DOI：10.13259/j.cnki.eri.2022.03.007 |
| 中文关键词: 扑翼 获能 射流控制 数值模拟 |
| 英文关键词:flapping foil energy extraction jet flow control simulation |
| 基金项目:上海市科技启明星计划资助项目（19QC1400200） |
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| 中文摘要: |
| 为了研究扑翼的获能机理，以NACA0012为基准翼型提出了一种添加射流控制的扑翼获能装置，并基于动网格技术进行了数值计算，研究了当雷诺数Re=13 800时射流位置、射流方式等关键参数对扑翼获能效率的影响规律。结果表明，与原型扑翼相比，添加射流控制能够有效提升扑翼的获能效率。另外，采用射流速度遵循正弦规律的新型射流控制方式不仅能增强扑翼运行结构的稳定性，而且能在一定程度上提升扑翼的获能效率。 |
| 英文摘要: |
| In order to study the energy extraction mechanism of flapping foil, a new type of flapping foil with jet flow control was proposed. Based on the dynamic grid technology, the influence of key parameters such as jet flow position and jet flow mode on energy extraction efficiency of flapping foil has been studied at Re=13 800 by using NACA0012 as a reference airfoil. The results showed that compared with the original flapping foil, adding jet flow control could effectively improve its energy extraction efficiency. In addition, the jet flow mode following a sinusoidal law could not only enhance the stability of the flapping foil structure at operation, but also improve the energy extraction efficiency of the flapping foil. |
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