垂直轴风机叶片变偏角机构设计(含CAD图,ProE三维)

垂直轴风机叶片变偏角机构设计(含CAD图,ProE三维)(任务书,开题报告,外文翻译,论文说明书9400字,CAD图纸12张,PROE三维图2张)
摘 要
新兴市场的风电能源产业发展迅速，在国家政策的支持和能源供应紧张的背景下，中国的风电能源产业特别是风电设备制造业迅速崛起，已成为全球风电产业发展最为活跃的地区。2006年，全球风电发展所用的资金中有9%投向了中国，总额高达16.2亿欧元。2007年，中国风电装机容量已排名世界第五。截止到2012年，中国风电装机容量达到42287MW，跃居世界第一。而从2015年中国风能协会公布的数据来看，我国新增风电装机容量已达30.5吉瓦，达到峰值。2016年的发展趋势将趋于平稳，不再将重点放在数量，而是转向质量的提升。
与水平轴风力发电机相比，垂直轴风力发电机具有着成本低，结构简单，无噪声，无需对风，启动风速低等诸多优点。因此，在目前的经济市场上，垂直轴风力发电机更受欢迎，应用前景也更加广阔。
本课题针对市场现有的垂直轴风机叶片特有机构进行改良，以做到在不影响叶片自身转动的同时，保护叶片，并达到提高利用率的目的。

关键词：风力发电，垂直轴风机，翼型件

Wind turbine with adjustable airfoils
Abstract
The present invention concerns a wind turbine having a plurality of vertically extending airfoils forming a rotating carousel rotating about a central axis thereof.The airfoils pivot about their leading edges to adjust the pitch angle thereof to maximize energy harvest when the airfoils are rotating both in an upwind direction and a down wind direction .This pivoting movement results from trailing edges of the airfoils being pivot-ally secured to rigid spokes or cables of a trailing edge hub.An adjustment mechanism is pivot-ally mounted between a carousel hub and the trailing edge hub and is used to control the separation between a central axis of the trailing edge hub and the axis of rotation of the carousel as they co-rotate.As the carousel rotates,the offset distance between the two axes determines the maximum achievable pitch angle of each airfoil.The airfoils then continually cycle between a positive and negative value of the maximum pitch angle relative to its position around the carousel and relative to the existing wind direction in order to create maximum lift.A wind direction rudder is secured to the adjustment mechanism to provide for movement thereof resulting in movement of the trailing edge hub as wind direction changes so that the most desirable pitch angle of the airfoils relative to wind direction is maintained.

Key words: wind energy,wind turbine,trailing edge hub.
 

目 录
摘 要    II
Abstract    III
1 绪 论    1
1.1风能发展现状    1
1.2课题涉及领域    1
1.3课题设计背景     2
2 垂直轴风机各部件综述    3
2.1 垂直轴风机翼型件    3
2.2 垂直轴风机螺杆电机机构    3
2.3 垂直轴风机电子控制机构    4
3 垂直轴风机叶片选择    5
3.1 风机叶片数目及叶形    5
3.2 垂直轴风机发电效率    5
4 设计图详述    8
4.1 三维图，俯视图    8
4.2 轮毂部分剖面图、各状态下翼型件位置示意图    9
4.3 电子控制示意图     12
5 结论    14
参考文献    15
致 谢    16