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首页> 外文期刊>Journal of Aircraft >Aerodynamic Loads over Arbitrary Bodies by Method of Integrated Circulation
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Aerodynamic Loads over Arbitrary Bodies by Method of Integrated Circulation

机译：集成循环法在任意物体上的气动载荷

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摘要

A novel numerical method for the conversion of unstructured surface vorticity into directional integrated circulation has been presented. This method allows for the reduction of vorticity distributions on arbitrary three-dimensional bodies into their mathematically equivalent formulations in the Prandtl lifting-line theory. A discussion of its implementation into a practical numerical solver has been presented. This new solver was applied to simple wing shapes as well as complex aircraft geometries to demonstrate the applicability of such an approach to flow solvers. It was shown that the reduction to lifting-line theory was exact for simple shapes such as rectangular and elliptical wings. For complex aircraft geometries, such as leading-edge root extension and canard-equipped aircraft, it was shown that the method of integrated circulation allowed for accurate prediction of aircraft loads and the analysis of flow physics, in keeping with the Prandtl original concepts.
机译：提出了一种将非结构表面涡旋转换为定向积分环流的新数值方法。这种方法可以将任意三维物体上的涡度分布减少为在Prandtl提升线理论中的数学等效公式。讨论了如何将其实现为实际的数值求解器。这种新的求解器被应用于简单的机翼形状以及复杂的飞机几何形状，以证明这种方法对流动求解器的适用性。结果表明，对于简单的形状，例如矩形和椭圆形的机翼，对提升线理论的简化是准确的。对于复杂的飞机几何形状，例如前沿根部延伸和配备Canard的飞机，结果表明，与Prandtl最初的概念一致，集成循环方法可以准确预测飞机载荷并进行流物理学分析。

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  • 来源
    《Journal of Aircraft》 |2016年第6期|1719-1730|共12页
  • 作者

    Ahuja Vivek; Hartfield R. J.;

  • 作者单位

    Res Flight LLC, Auburn, AL 36830 USA;

    Res Flight LLC, Aerosp Engn, Auburn, AL 36830 USA|Auburn Univ, Auburn, AL 36849 USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
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