On the mechanisms of interaction of controlled disturbances in the longitudinal wake region in a supersonic boundary layer on a flat plate

被引：1
|
作者：
Kosinov, A. D. [1 ]
Semionov, N. V. [1 ]
Piterimova, M. V. [1 ]
Yatskikh, A. A. [1 ]
Yermolaev, Yu. G. [1 ]
Smorodskii, B. V. [1 ]
Shmakova, A. V. [1 ]
机构：
[1] Khristianovich Inst Theoret & Appl Mech SB RAS, Novosibirsk, Russia
来源：
THERMOPHYSICS AND AEROMECHANICS | 2024年 / 31卷 / 02期
基金：
俄罗斯科学基金会;
关键词：
supersonic boundary layer; N-wave; controlled disturbances; longitudinal wake; flat plate; hot-wire anemometry; wave characteristics; LAMINAR-TURBULENT TRANSITION; MACH WAVE; GROWTH; FLOW;
D O I：
10.1134/S0869864324020021
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
The present study is aimed at searching for mechanisms of wave interaction in a supersonic boundary layer on a flat plate with the flow being distorted by a streamwise disturbance generated on a sharp leading edge by a pair of weak shock waves. The space and time distributions and the frequency-wave spectra of oscillations and their wave characteristics in the linear and weakly nonlinear phases of wave train development in a nonhomogeneous boundary layer under conditions of a fixed power of the local source of controlled disturbances are analyzed. Based on experimental results, possible variants of wave interaction in a supersonic boundary layer on a flat plate in the region of the longitudinal wake generated by an N-wave are proposed.
引用
收藏
页码：211 / 225
页数：15
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