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公开(公告)号:US20110268557A1
公开(公告)日:2011-11-03
申请号:US12893728
申请日:2010-09-29
CPC分类号: F04D29/324 , B63B1/322 , B64C23/06 , B64C2003/147 , B64C2230/14 , F03D1/0633 , F03D1/0675 , F04D29/681 , F05B2240/122 , F05B2240/30 , F05B2260/96 , Y02E10/721 , Y02T50/162 , Y02T50/166 , Y02T70/12
摘要: A system and method for reducing the noise of an airfoil is provided. The airfoil includes a main portion including a leading edge and a trailing edge. The airfoil further comprises a noise attenuator coupled to the main portion and disposed proximate to at least a portion of the trailing edge. The noise attenuator has a chord length in the range of about 0.5 to about 5 times a trailing edge thickness and is fixed relative to the trailing edge. The airfoil can be a rotating blade deployed on a wind turbine. The airfoil can also be deployed on an aircraft as a fixed wing.
摘要翻译: 提供了一种降低翼型噪声的系统和方法。 翼型件包括主要部分,其包括前缘和后缘。 翼型件还包括耦合到主要部分并靠近后缘的至少一部分设置的噪声衰减器。 噪声衰减器具有在后缘厚度的约0.5至约5倍的范围内的弦长,并且相对于后缘是固定的。 翼型件可以是部署在风力涡轮机上的旋转叶片。 机翼也可以作为固定翼部署在飞机上。