Technical Note Definition of the Mean Camber Line from Airfoil Shapes

A. Bagai

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Technical Note Definition of the Mean Camber Line from Airfoil Shapes

机译：从机翼形状定义平均弯度线的技术说明

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The historical significance of the mean camber line of airfoils is briefly discussed and the relevance to modern sections is presented. It is demonstrated that the mid point of the normal to the chord line at any location along the airfoil does not in general lie on the camber line. An approach for constructing the camber lines of arbitrary airfoils using a simple geometric approach is described. The method is verified for arbitrary shapes with known solutions and demonstrated for a NACA airfoil with predefined camber.

机译：简要讨论了机翼平均弯度线的历史意义，并提出了与现代截面的相关性。已经证明，沿着翼型的任何位置，弦线法线的中点通常不位于外倾线上。描述了一种使用简单的几何方法构造任意翼型的外倾线的方法。该方法已通过已知解决方案针对任意形状进行了验证，并针对具有预定义外倾角的NACA机翼进行了验证。

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《Journal of the American Helicopter Society》 |2006年第4期|p.355-357|共3页
作者
A. Bagai;
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Sr. Aerodynamcist Sikorsky Aircraft Corporation Stratford, CT;

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正文语种 eng
中图分类航空;
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Technical Note Definition of the Mean Camber Line from Airfoil Shapes

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