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浙江大学学报(工学版)
浙江大学学报(工学版)
环境与能源工程     
基于平行式振荡翼系统参数耦合分析
刘海宾, 王勇, 马鹏磊, 谢玉东
山东大学 高效洁净机械制造教育部重点实验室,山东 济南 250061
Coupling analysis of parameters based on parallel-oscillating hydrofoils hydrokinetic turbine
LIU Hai bin, WANG Yong, MA Peng lei, XIE Yu dong
Key Laboratory of High-Efficiency and Clean Mechanical Manufacture, Ministry of Education, Shandong University,
Jinan 250061, China
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摘要：

采用ANSYS Fluent求解绕二维双振荡翼非定常、不可压缩Navier-Stokes方程,分析水平布置的双水翼捕能系统.为了提高系统的捕能效率及稳定性,通过建立双水翼振荡系统数值及网格模型,综合分析翼型、运动参数（升沉运动参数和俯仰运动参数）以及折算频率对水翼水动力特性及捕能性能的耦合影响,从水翼在运动过程中攻角的变化和漩涡结构方面分析影响系统水动力特性的机理.结果表明：翼型对水翼捕能特性的影响较小|在较小的折算频率下,升沉振幅是影响能量提取效率的主要因素|随着折算频率的增加,升沉振幅对能量提取效率的影响逐渐减弱|在较大的折算频率下,俯仰振幅对能量提取效率的影响更大.在给定的参数条件下,水翼的捕能效率可达43.18%.
Abstract:

The ANSYS Fluent was used to solve the unsteady incompressible 2D Navier-Stokes equations around oscillating wing in order to seek an optimal parameter combination for two oscillating foils, which is in a parallel arrangement. The mathematical model and grid partition of the dual-hydrofoils oscillating system were established in order to maximize the power-extraction efficiency and system stability. A comprehensive analysis of the different airfoil, different motion parameters (heaving motion parameters and pitching motion parameters) as well as reduced frequency to the hydrodynamic characteristics and energy extraction performance was conducted. Further analysis was conducted on the effect of vortex structure and angle of attack on hydrodynamic characteristics during movement. Results show that the different foils have a little effect on the energy extraction performance. When the reduced frequency is smaller, heaving amplitude is a main factor affecting energy extraction. The impact of heaving amplitude on the energy extraction efficiency is gradually weakened with the increase of reduced frequency. The pitching amplitude has more influences on the energy extraction efficiency under the higher reduced frequency. The energy extraction efficiency of the hydrofoils can reach 43.18% with the appropriate parameters.
出版日期: 2017-01-01
CLC:  TK 79  
基金资助:

国家自然科学基金资助项目（51475270）；山东省科技发展计划资助项目（2014GGX104014）.
通讯作者: 王勇,男,教授. ORCID: 0000-0003-0116-4296.     E-mail: meywang@sdu.edu.cn
作者简介: 刘海宾（1991—）,男,硕士生,从事潮流能发电设备的研究. ORCID: 0000-0003-3668-2384. E-mail: 1046614658@qq.com
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刘海宾, 王勇, 马鹏磊, 谢玉东. 基于平行式振荡翼系统参数耦合分析[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008-973X.2017.01.019.

LIU Hai bin, WANG Yong, MA Peng lei, XIE Yu dong. Coupling analysis of parameters based on parallel-oscillating hydrofoils hydrokinetic turbine. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008-973X.2017.01.019.

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