叶轮参数对垂直轴风机风能利用系数的影响分析  

IMPACT ANALYSIS OF IMPELLER PARAMETERS ON THE WIND-ENERGY UTILIZATION COEFFICIENT OF VERTICAL AXIS WIND TURBINE

作　　者：胡草笛 王长路[2] 韦乐余[2] 乔雪涛[2] 

机构地区：[1]河南科技大学机电工程学院,洛阳471003 [2]郑州机械研究所,郑州450001

出　　处：《机械强度》2016年第2期317-321,共5页Journal of Mechanical Strength

摘　　要：为研究垂直轴风力发电机风能利用系数的影响因素,在动量叶素理论基础上建立了双盘多流管模型,并通过数学建模方法来重点研究弦长、叶轮半径、叶片数对风机的影响。由于风轮在旋转过程中受力复杂,在原有理论基础上提出了四象限分析方法,将风轮旋转平面分成四个象限进行受力分析,在分析受力之后进行建模仿真。最后,针对NACA0018翼型,分别研究在不同弦长、叶轮半径、叶片数下,垂直轴风力发电机风能利用系数的变化情况,从而为风机叶轮参数的选用提供了参考依据。In order to have a better research on the effect factors of the vertical axis wind turbine wind-energy utilization coefficient,based on the multi-blade element momentum theory a Double Disk Multi-tube Model was established,and through mathematical modeling method to focus on the influence of chord length,radius and number of blades. Because of the loading on the wind turbine during rotation was complex,the rotation plane was divided into four quadrants,and put forward the fourquadrant analysis method on the basis of the original theory,then established the simulation model based on the analysis of stress. Finally,in view of the NACA0018 airfoil,study respectively in different chord length,impeller radius and number of blades using the four-quadrant analysis method,the change of vertical axis wind turbine wind-energy utilization coefficient,which provides a reference for the selection of fan impeller parameters.

关 键 词：双盘多流管模型 四象限分析 风能利用系数 叶轮参数 

分 类 号：TK83[动力工程及工程热物理—流体机械及工程]