摘要
为了改善水翼的水动力性能,提高振荡翼的能量转化效率,基于传统运动模型提出了改进模型.利用Fluent建立了翼型的网格模型,并从水翼在运动过程中攻角(AOA)的变化及漩涡结构等方面分析了改进模型在不同运动参数下的水动力性能及能量转化效率.结果表明:改进模型在较长时间段内维持较大的升力系数,提高了水翼的水动力转化效率.与传统运动模型相比,在相同的最大攻角下,提出的改进模型有更好的水动力性能,且其能量转化效率超过40%.
To improve the hydrodynamic performance and energy conversion efficiency of oscillating foil,the modified model was proposed based on the conventional model.The grid model was established for numerical simulation by using the software Fluent.The performance of hydrodynamic and energy extraction was analyzed from the point of angle of attack（AOA）and vortex structure.The results demonstrate that the modified model can keep with a large lift coefficient in a long period,and therefore obtain higher energy conversion efficiency.If the motion parameters are proper,the hydrodynamic conversion efficiency can exceed 40%.
作者
马鹏磊
王勇
刘海宾
谢玉东
Ma Penglei Wang Yong Liu Haibin Xie Yudong(School of Mechanical Engineering Key Laboratory of High-Efficiency and Clean Mechanical Manufacture, Shandong University, Jinan 250061, China)
出处
《华中科技大学学报（自然科学版）》
EI
CAS
CSCD
北大核心
2017年第3期65-69,共5页
Journal of Huazhong University of Science and Technology(Natural Science Edition)
基金
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)
关键词
振荡翼
攻角
改进模型
转化效率
水动力性能
漩涡结构
oscillating airfoil
angle of attack
modified model
conversion efficiency
hydrodynamics
vortex structure
