翼面效应对并联振荡水翼获能功率的影响

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振动与冲击 ›› 2023, Vol. 42 ›› Issue (11) : 58-64.

论文

翼面效应对并联振荡水翼获能功率的影响

何广华1,2,3，谢鸿飞1，王威1，莫惟杰1,3，杨豪1

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Influence of wing-in-surface-effect on power extraction of parallel oscillating hydrofoils

HE Guanghua1,2,3, XIE Hongfei1, WANG Wei1, MO Weijie1,3, YANG Hao1

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摘要

为分析翼面效应对并联振荡水翼获能功率的影响，本文基于重叠网格技术建立了水翼并联运动的数值模型，并进行了有效性验证。利用所建的数值模型针对小间距下双水翼的水动力性能进行了分析，研究了翼间距对双翼翼面效应（Wing-In-surface-Effect）的影响；并根据翼面效应的增益效果，进一步研究了三水翼运动的复杂问题，并计算了其平均功率系数。研究结果表明：减小水翼最小间距会增强翼面效应；双翼系统的平均功率系数会随着水翼间最小间距的减小而增大；三翼系统的平均功率系数大于双翼系统。通过以上研究可知：翼面效应会提高水翼的平均功率系数，水翼个数的增加会提高水翼的平均功率系数。

Abstract

To study the influence of Wing-In-surface-Effect on the hydrodynamic performance of hydrofoil, a numerical model is established based on overset grid method with the convergence study. Based on this numerical model, the hydrodynamic performance of two hydrofoils with different minimum distance is studied. To amplify the Wing-in-surface-Effect, a power generation with three hydrofoils is proposed and its power coefficient is calculated. The results show that: the decrease of the minimum spacing between hydrofoils enhances the Wing-In-surface-Effect; the power coefficient of the two hydrofoils system increases with the decrease of the minimum spacing between hydrofoils; the power coefficient of the three hydrofoils system is greater than that of the two hydrofoils system. Through the above research, we can see that the Wing-In-surface-Effect can improve the power coefficient of hydrofoil, and the increase of the number of hydrofoils can improve the power coefficient of the hydrofoils.

关键词

翼面效应 / 并联水翼 / 水翼间距 / 重叠网格 / 三翼

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何广华1,2,3，谢鸿飞1，王威1，莫惟杰1,3，杨豪1. 翼面效应对并联振荡水翼获能功率的影响[J]. 振动与冲击, 2023, 42(11): 58-64

HE Guanghua1,2,3, XIE Hongfei1, WANG Wei1, MO Weijie1,3, YANG Hao1. Influence of wing-in-surface-effect on power extraction of parallel oscillating hydrofoils[J]. Journal of Vibration and Shock, 2023, 42(11): 58-64

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