speed power coefficient

The Effect of Speed Coefficient on the Power Characteristics of Driving Disk Plow

速度参数对驱动式圆盘犁动力特性的影响

The power use coefficient reach the decide value when the turbine speed and the wind speed achieve the optimal ratio, according to the Betz theory.

根据贝兹理论当风机转速与风速成最佳叶尖速比时功率利用系数可达设计数值，因而控制叶尖速比成为提高风能利用效率的关键。

The relationships among thrust coefficient, torque coefficient, power coefficient and blade top speed ratio of the blade s mentioned above are calculated by optimum Glauert method.

采用优化Glauert方法，对上述3种叶片的推力系数、扭矩系数、功率系数与叶尖速比之间的关系进行了计算。

The influence of solidity and aspect ratio on power coefficient of H-type vertical axis wind turbine, and the change of attack angle with tip speed ratio were analyzed.

采用多流管模型分析了H型垂直风力机展弦比和实度对其功率系数的影响，并对叶片旋转过程中攻角随尖速比的变化进行了分析。

Savonius wind turbine, invented by Savonius in the 1930s, is a typical resistance-type vertical axis wind turbine. Because of its low rotating speed, the rotor power coefficient of Savonius wind turbine is lower than other types of wind turbines, and the development is slow.

Savonius风力机是典型的阻力型垂直轴风力机，由芬兰萨沃纽斯（Savonius）于20世纪30年代发明，因其转速较低，风能利用系数低于其他类型的风力机而发展缓慢。