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Methods for Mitigating Noise during High Wind Speed Conditions of Wind Turbines

机译:风力涡轮机高风速条件下的降噪方法

摘要

A method for mitigating noise during high wind speed conditions of a wind turbine includes providing a backward twist to the outboard region of the rotor blade having an angle of less than 6°. The method may also include reducing a tip chord taper within at least a portion of the outboard region of the rotor blade. Further, the method may include increasing a local tip chord length of the rotor blade. In addition, the method may include increasing a torsional stiffness of the outboard region of the rotor blade. As such, a combination of one or more of the blade properties described above are configured to reduce noise associated with high wind speed conditions.
机译:一种用于在风力涡轮机的高风速条件期间减轻噪声的方法,包括向转子叶片的外侧区域提供角度小于6°的向后扭转。该方法还可以包括减小转子叶片的外侧区域的至少一部分内的叶尖锥度。此外,该方法可以包括增加转子叶片的局部叶尖弦长。另外,该方法可以包括增加转子叶片的外侧区域的扭转刚度。这样,上述叶片特性中的一个或多个的组合被构造成减少与高风速状况相关的噪声。

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