Features of the cross-correlation characteristics of disturbances in the supersonic boundary layer of the plate at the influence of a pair of weak shock waves on the leading edge

IF 0.5 4区 工程技术 Q4 ENGINEERING, AEROSPACE Thermophysics and Aeromechanics Pub Date : 2024-07-29 DOI:10.1134/S0869864324010025
L. V. Afanasev, A. A. Yatskikh, A. D. Kosinov, N. V. Semionov
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Abstract

The results of experimental measurements are presented to assess the correlation characteristics of disturbances in the boundary layer of a flat plate with a sharp leading edge and pulsations of the incoming flow in cases of natural pulsations and influence of an N-wave for Mach 2 on the leading edge. The parameters of the cross-correlation of signals from two constant-temperature anemometry (CTA) are obtained digitally. The frequency ranges with apparent correlation between the mass flow rate pulsations measured by the probes are determined.

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受前缘一对弱冲击波影响时板块超音速边界层扰动的交叉相关特征
本文介绍了实验测量的结果,以评估在自然脉动和马赫数为 2 的 N 波对前缘的影响情况下,带有尖锐前缘的平板边界层中的扰动与入流脉动的相关特性。两个恒温风速计(CTA)信号的交叉相关参数以数字方式获得。确定了探头测量的质量流量脉动之间具有明显相关性的频率范围。
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来源期刊
Thermophysics and Aeromechanics
Thermophysics and Aeromechanics THERMODYNAMICS-MECHANICS
CiteScore
0.90
自引率
40.00%
发文量
29
审稿时长
>12 weeks
期刊介绍: The journal Thermophysics and Aeromechanics publishes original reports, reviews, and discussions on the following topics: hydrogasdynamics, heat and mass transfer, turbulence, means and methods of aero- and thermophysical experiment, physics of low-temperature plasma, and physical and technical problems of energetics. These topics are the prior fields of investigation at the Institute of Thermophysics and the Institute of Theoretical and Applied Mechanics of the Siberian Branch of the Russian Academy of Sciences (SB RAS), which are the founders of the journal along with SB RAS. This publication promotes an exchange of information between the researchers of Russia and the international scientific community.
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