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Effects of leading-edge bevel angle on the aerodynamic forces of a non-slender 50° delta wing

机译:前缘斜角对不细长的50°三角翼的空气动力的影响

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摘要

The aerodynamic performances of a non-slender 50° delta wing with various leading-edge bevels were measured in a low speed wind tunnel. It is found that the delta wing with leading-edge bevelled leeward can improve the maximum lift coefficient and maximum lift to drag ratio, and the stall angle of the wing is also delayed. In comparison with the blunt leading-edge wing, the increment of maximum lift to drag ratio is 200%, 98% and 100% for the wings with relative thickness t/c = 2%, t/c = 6.7% and t/c = 10%, respectively.
机译:在低速风洞中测量了带有各种前缘斜角的不细长的50°三角翼的空气动力学性能。研究发现,具有前缘斜面背风的三角翼可以提高最大升力系数和最大升阻比,并且延缓了机翼的失速角。与钝性前缘机翼相比,相对厚度t / c = 2%,t / c = 6.7%和t / c的机翼最大升阻比的增量为200%,98%和100%分别为10%。

著录项

  • 来源
    《The Aeronautical Journal》 |2005年第1098期|p.403-407|共5页
  • 作者

    J. J. Wang; S. F. Lu;

  • 作者单位

    Fluid Mechanics Institute Beijing University of Aeronautics and Astronautics Beijing, China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 航空;
  • 关键词

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