Investigation on vortex shedding of a swept-back wing

Yen SC; Hsu CM

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Investigation on vortex shedding of a swept-back wing

机译：后掠翼涡旋脱落的研究

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Effects of Reynolds number and angle of attack on the vortex shedding of a finite swept-back wing are experimentally studied. The cross-sectional profile of the wing is NACA 0012, and the sweep-back angle is 15 degrees The time series signals detected by hot-wire in the wake region shows four distinct behaviors: laminar, subcritical, transitional, and supercritical. The derived Strouhal number curves are significantly different in these four behaviors. In addition, the statistical properties of turbulence, that is, the power spectrum density function, probability density function, correlation coefficient, Lagrangian integral time scales, and length scales are also presented in this paper. (c) 2006 Elsevier Inc. All rights reserved.

机译：实验研究了雷诺数和迎角对有限后掠翼涡旋脱落的影响。机翼的横截面轮廓为NACA 0012，后掠角为15度。热线在尾流区域检测到的时间序列信号表现出四种不同的行为：层流，亚临界，过渡和超临界。在这四种行为中，导出的Strouhal数曲线显着不同。另外，本文还给出了湍流的统计特性，即功率谱密度函数，概率密度函数，相关系数，拉格朗日积分时间尺度和长度尺度。（c）2006 Elsevier Inc.保留所有权利。

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《Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics》 |2007年第8期|共7页
作者
Yen SC; Hsu CM;
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正文语种 eng
中图分类流体力学;
关键词
swept-back wing; vortex shedding; lagrangian integral time scale; FLOW;

机译：后掠机翼;涡旋脱落;拉格朗日积分时间标度;流量;

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专利

1. Investigation on vortex shedding of a swept-back wing [J] . Yen SC, Hsu CM Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics . 2007,第8期

机译：后掠翼涡旋脱落的研究
2. NUMERICAL STUDY FOR THE NONLINEAR EVOLUTION OF VORTEX SHEET AND ITS APPLICATIONS: PART II. EVOLU- TION OF WING SHEDDING VORTEX [J] . Wang Xun-ye, Lu Xi-yun, Zhuang Li-xian Journal of Hydrodynamics . 2000,第3期

机译：涡旋板非线性演化的数值研究及其应用：第二部分。机翼旋涡的演变
3. Effect of vortex shedding in unsteady aerodynamic forces for a low Reynolds number stationary wing at low angle of attack [J] . Villegas A., Diez F. J. Journal of Fluids and Structures . 2016,第Null期

机译：低雷诺数低攻角固定涡旋在非定常空气动力中涡流脱落的影响
4. Vortex Shedding and Wake Structure of a Plunging Wing [C] . Azar Eslam Panah, James H. J. Buchholz AIAA aerospace sciences meeting including the new horizons forum and aerospace exposition . 2012

机译：切入式机翼的涡旋脱落和尾迹结构
5. Experimental investigation of the self-induction theory of vortex breakdown and new observations in the transient development of a delta wing leading edge vortex. [D] . Thompson, Brad R. 2007

机译：涡旋破裂自感应理论的实验研究和三角翼前缘涡旋瞬态发展中的新发现。
6. Leading-edge vortices over swept-back wings with varying sweep geometries [O] . William B. Lambert, Mathew J. Stanek, Roi Gurka, 2019

机译：后掠翼上的前缘涡旋具有不同的掠掠几何形状
7. Investigation of the development of the trailing vortex system behind a swept-back wing. [O] . Zakaria ElRamly -1

机译：席卷后翼后面尾涡系统发展的调查。
8. Experimental and Numerical Investigation of Vortex Shedding of a Representative UCAV Configuration for Vortex Flow Control [R] . Ghee, T. A. , Hall, D. R. 2003

机译：用于涡流控制的典型UCaV结构涡旋脱落的实验和数值研究

Investigation on vortex shedding of a swept-back wing

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