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Existence of Shocklets in Supersonic Boundary Layer and Its Relation with 3-D Disturbances

机译：超音速边界层中小波的存在及其与3-D扰动的关系

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We present results from direct numerical simulation (DNS) of a supersonic boundary layer with Mach number 4.5. The main new phenomenon is the appearance of shocklets which form during the evolutionary process of three-dimensional (3-D) disturbances. A detection algorithm is developed to extract and locate the shocklet from the DNS fields. The relationship between the wave numbers and the emergence of shocklets were adequately investigated.

机译：我们提出了马赫数为4.5的超音速边界层的直接数值模拟（DNS）结果。主要的新现象是在三维（3-D）扰动的演化过程中形成的冲击波的出现。开发了一种检测算法来从DNS字段中提取和定位Shocklet。充分研究了波数与小冲击波出现之间的关系。

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来源
《Recent researches in mechanics》|2011年|p.152-157|共6页
会议地点 Corfu Island(GR);Corfu Island(GR);Corfu Island(GR);Corfu Island(GR);Corfu Island(GR);Corfu Island(GR);Corfu Island(GR);Corfu Island(GR)
作者
Yihong Fang; Yifang Liu; Xingfu Ye;
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作者单位

Department of Mechanics Tianjin University, Tianjin, 300072 P. R. China;

Department of Mechanics Tianjin University, Tianjin, 300072 P. R. China;

Department of Mechanics Tianjin University, Tianjin, 300072 P. R. China , is with Southwestern Institute of Physics. P. O. Box 432, Chengdu 610041, P. R. China;

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原文格式 PDF
正文语种 eng
中图分类机械制造工艺;
关键词
shocklet; supersonic boundary layer; disturbance; second mode; first mode;

机译：冲击波超音速边界层骚乱;第二种模式第一模式;

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专利

1. A numerical investigation of the evolution of 2-D disturbances in hypersonic boundary layers and the effect on the flow structure due to the existence of shocklets [J] . CAO Wei, ZHOU Heng Science in China. Series G, Physics, Mechanics & Astronomy . 2004,第2期

机译：高超声速边界层中二维扰动演化的数值研究以及由于冲击波的存在对流动结构的影响
2. A numerical investigation of the evolution of 2-D disturbances in hypersonic boundary layers and the effect on the flow structure due to the existence of shocklets [J] . CAO Wei, ZHOU Heng 中国科学:物理学力学天文学（英文版） . 2004,第002期

机译：超声边界层2-D干扰演化的数值研究及对震动存在引起的对流动结构的影响
3. EVOLUTION OF A 2-D DISTURBANCE IN A SUPERSONIC BOUNDARY LAYER AND THE GENERATION OF SHOCKLETS [J] . 黄章峰, 周恒应用数学和力学（英文版） . 2004,第001期

机译：超音速边界层中二维扰动的演化及弹丸的产生
4. Existence of Shocklets in Supersonic Boundary Layer and Its Relation with 3-D Disturbances [C] . Yihong Fang, Yifang Liu, Xingfu Ye International Conference on Fluid Mechanics and Heat and Mass Transfer . 2011

机译：超音解边界层的震动存在及其与3-D干扰的关系
5. High Enthalpy Effects on Two Boundary Layer Disturbances in Supersonic and Hypersonic Flow. [D] . Wagnild, Ross Martin. 2012

机译：对超音速和高音速流中的两个边界层扰动具有高焓效应。
6. A CRITERION FOR THE EXISTENCE OF INERTIAL BOUNDARY LAYERS IN OCEANIC CIRCULATION [O] . H. P. Greenspan 1962

机译：海洋循环中惰性边界层存在性的判据
7. Evolution of localized artificial disturbance in 2D and 3D supersonic boundary layers [O] . Aleksey Yatskikh, Yury Yermolaev, Alexander Kosinov, 2018

机译：2D和3D超声波边界层局部人工干扰的演变

Existence of Shocklets in Supersonic Boundary Layer and Its Relation with 3-D Disturbances

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