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科技导报
| 研究论文 2015, 33(4): 76-79
基于涡面元法的风力机叶片翼型优化设计
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张永恒1 , 林志敏1 , 王良璧1 , 严军2 , 刘颖2
作者信息
1. 兰州交通大学机电工程学院, 兰州730070;
Optimization design of airfoil for wind turbine blade based on vortex panel method
Affiliations
出版时间: 2015-02-28
doi: 10.3981/j.issn.1000-7857.2015.04.013
文章导航
针对风力机翼型反设计问题,通过求解由涡量表达的面元流函数方程,直接得到面元节点速度;通过计算沿流线的伯努利方程获得面元的压力系数,进而求得升力系数和力矩系数。应用所述涡面元法以NACA2412 为初始翼型,以NACA4412 压力系数为目标值,获得满足目标压力系数的新翼型。根据新翼型对一小型风力机进行优化设计。计算表明基于涡面元法的翼型反设计有较高精度,较广适应性。通过凸函数表达翼型几何参数,能满足不同初始翼型的优化设计及风力机叶片的设计要求。
To solve the problems in the inverse design of airfoil for wind turbine blade, the stream function equations expressed by vorticity were solved and the velocities at the panel nodes were directly obtained. The other parameters such as pressure coefficient, lifting coefficient as well as torque coefficient can be calculated via the Bernoulli equation. A new airfoil was obtained by using vortex panel method, taking NACA2412 as the original geometrical shape and the pressure coefficients of NACA2412 airfoil as the target. Optimization design for a small wind turbine was conducted by incorporating the newly obtained airfoil. Numerical test showed that the inverse design based on vortex panel method had high accuracy and wide adaptation. By using bump function to represent the geometry of the airfoil, optimization designs can be achieved for different initial airfoil geometry and wind turbine blade.
wind turbine arifoil
/
vortex panel method
/
optimization design
张永恒, 林志敏, 王良璧, 严军, 刘颖.
基于涡面元法的风力机叶片翼型优化设计.
科技导报,
2015
, 33
(4)
: 76
-79
.
DOI: 10.3981/j.issn.1000-7857.2015.04.013
ZHANG Yongheng, LIN Zhimin, WANG Liangbi, YAN Jun, LIU Ying.
Optimization design of airfoil for wind turbine blade based on vortex panel method[J].
Science & Technology Review ,
2015
, 33
(4)
: 76
-79
.
DOI: 10.3981/j.issn.1000-7857.2015.04.013
2015年第33卷第4期
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文章信息
doi: 10.3981/j.issn.1000-7857.2015.04.013
接收时间：2014-08-25
首发时间：2015-03-19
出版时间：2015-02-28
收稿日期：2014-08-25
修回日期：2014-12-30
https://castjournals.cast.org.cn/joweb/kjdb/CN/10.3981/j.issn.1000-7857.2015.04.013
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2种不同金属材料的力学参数
科 属数 种数 占总种数比例 属 种数 占总种数比例 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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