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Wind turbine blades with twisted and tapered tips

机译：带有扭曲和锥形尖端的风力涡轮机叶片

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摘要

A blade 10 for a wind turbine 2 includes a total backward twist of between approximately 6 degrees and approximately 15 degrees between an outer approximately 1 percent to approximately 10 percent of a rotor radius of the blade; and a total normalized chord change of between approximately one percent and approximately two percent between the outer approximately 1 percent to approximately 10 percent of the rotor radius of the blade.
机译：用于风力涡轮机2的叶片10包括在叶片的转子半径的外部的大约1％至大约10％之间的在大约6度和大约15度之间的总的向后扭转。并且归一化的总弦变化在叶片的转子半径的外部大约1％到大约10％之间介于大约1％和大约2％之间。

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