艏摇对立轴潮流能水轮机的水动力性能影响

上海交通大学学报（自然版） ›› 2016, Vol. 50 ›› Issue (04): 563-568.

艏摇对立轴潮流能水轮机的水动力性能影响

王凯，孙科,张亮,盛其虎,张学伟

（哈尔滨工程大学深海工程技术研究中心，哈尔滨 150001）

收稿日期:2015-04-15 出版日期:2016-04-28 发布日期:2016-04-28
基金资助:
国家自然科学基金（51209060，11572094，51579055），高等学校博士学科点专项科研基金（20122304120035），哈尔滨市科技创新人才研究专项资金（2015RQQXJ014）资助

Hydrodynamic Performance of Vertical Axis Tidal Turbine Under Yawing Motion

WANG Kai，SUN Ke，ZHANG Liang，SHENG Qihu，ZHANG Xuewei

(Deepwater Engineering Research Center, Harbin Engineering University, Harbin 150001, China)

Received:2015-04-15 Online:2016-04-28 Published:2016-04-28

摘要/Abstract

摘要： 摘要：为研究艏摇对立轴水轮机的水动力性能影响，采用ANSYSCFX软件对2叶片立轴水轮机艏摇运行进行模拟分析.同时还对不同频率、不同速比下的推力系数和侧向力系数时历曲线进行分析，并采用最小二乘法拟合分析水轮机的载荷影响，结果表明：与在均匀流中仅做旋转运动的水轮机相比，艏摇运动不会影响水轮机的能量利用率，但是对推力和侧向力的瞬时波动幅值影响较大，速比和艏摇频率越大，瞬时值波动幅度越大；推力和侧向力的阻尼系数与艏摇频率无关，与速比有关，速比越大，阻尼系数越大.

关键词: 潮流能立轴水轮机, 艏摇, 水动力性能, 阻尼系数

Abstract: Abstract： In order to study the effect of hydrodynamic performance on vertical axis tidal turbines, the ANSYSCFX software was used to simulate the yawing motion of two blade vertical axis turbines. Besides, the influence of yawing on energy utilization of the turbine was studied, the thrust coefficient and lateral force coefficient time history curves also were analyzed under different frequency and different speed ratios, and the method of least squares was used to analyze the load of turbines. The results show that compared with turbine only rotating in uniform stream, yawing motions have little influence on energy utilization of the turbine, but it has a great impact on the instantaneous fluctuation amplitude of thrust and lateral force. As the speed ratio and yawing frequency increase, the instantaneous fluctuation amplitude increases, too. The damping coefficient of thrust and lateral force is related to speed ratio but has nothing to do with yawing frequency. Besides, the speed ratio increases, the damping coefficient increases. The results can provide reference for the design of floating tidal power stations.

Key words: Key words： vertical axis tidal turbine, yawing, hydrodynamic performance, damping coefficient

中图分类号:

TK 730，O 352

王凯，孙科,张亮,盛其虎,张学伟. 艏摇对立轴潮流能水轮机的水动力性能影响[J]. 上海交通大学学报（自然版）, 2016, 50(04): 563-568.

WANG Kai，SUN Ke，ZHANG Liang，SHENG Qihu，ZHANG Xuewei. Hydrodynamic Performance of Vertical Axis Tidal Turbine Under Yawing Motion[J]. Journal of Shanghai Jiaotong University, 2016, 50(04): 563-568.

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