The results show:For the same wind speed, as the wake away from the wind rotor, the wake velocity gradually closer to flow velocity;

计算分析得出，对于同一风速，随着尾流远离风轮，尾流速度逐渐接近来流风速；

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The energy in the wind turns two or three propeller-like blades around a rotor.

风力推动固定在转轴上两三个像推进器一样的叶片。

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CFRP materials have been available for nearly 50 years and are used in the aviation and aerospace industries, in car racing and, most recently, in rotor blades for wind turbines.

碳纤维增强塑料的运用将近50年了，它被用于航天航空工业，汽车竞赛最近又用作风轮的转动叶片。

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In November, WinFlex, a wind-power company based in Kiryat Yam, Israel, received one of the most coveted prizes in the GE Ecomagination Challenge for developing a wind-turbine system that uses a light, flexible cloth sheets made out of composite materials as the rotor system for a wind turbine.

FORBES: Inflatable Wind Turbines Pass Laugh Test

For the purposes of floating wind farms, such turbines are not light enough, they are too tall and the rotor blades are too small, according to Mr Bratland's early assessments, made even before the 2.3 megawatt turbine has started delivering electricity through the sea-bed cable that connects it to the Norwegian national grid.

BBC: Floating challenge for offshore wind turbine