Nonstationary Phenomena in the Region of Shock-Wave Interaction with a Boundary Layer at Transonic Flow Velocities

被引：3

作者：

Sidorenko, A. A. ^{[1
]}

Budovskii, A. D. ^{[1
]}

Polivanov, P. A. ^{[1
]}

Vishnyakov, O. I. ^{[1
]}

机构：

[1] Russian Acad Sci, Khristianovich Inst Theoret & Appl Mech, Siberian Branch, Novosibirsk 630090, Russia

来源：

TECHNICAL PHYSICS LETTERS | 2017年 / 43卷 / 06期

基金：

俄罗斯基础研究基金会;

关键词：

PROPER ORTHOGONAL DECOMPOSITION;

D O I：

10.1134/S1063785017060268

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Nonstationary characteristics of detached flow have been experimentally studied during interaction of the boundary layer with a shock wave that appears on a profiled bump in transonic flow. The experiments were performed with variable shock-wave intensity and position in a T-325 wind tunnel. The flow was studied using methods of schlieren imaging, measuring average pressure and its pulsations on the surface of a model, and determining velocity fields by particle image velocimetry. Analysis of the experimental data showed that the observed shock-wave oscillations and flow pulsations in the detachment zone were related to disturbances present in the oncoming boundary layer.

引用

页码：570 / 573

页数：4

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