激波管内带孔不锈钢板与强激波的相互作用

IF 2.5 3区 工程技术 Q2 ENGINEERING, MECHANICAL
Sergey Golovastov, Grigory Bivol, Fyodor Kuleshov
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引用次数: 0

摘要

本文给出了强激波与渗透性为0.11 ~ 0.39的多孔钢板相互作用时通道内强激波衰减的实验研究结果。实验在装有压电压力传感器的激波管内进行,初始氮气压力分别为10 kPa、20 kPa和50 kPa。激波的马赫数在1.5 ~ 4.3之间变化。测定了入射冲击波、反射冲击波和透射冲击波的压力。得到了反射和透射激波马赫数随入射激波马赫数变化的曲线图。得到了透射和反射冲击波的衰减与入射冲击波马赫数和磁导率的关系。结果表明,反射激波后压力松弛时间随马赫数的增加而增加。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Interaction of strong shock waves with perforated stainless-steel plate in a shock tube

Interaction of strong shock waves with perforated stainless-steel plate in a shock tube

The results of an experimental study of the attenuation of strong shock waves in a channel during interaction with perforated steel plates with permeability from 0.11 to 0.39 are presented. The experiments were carried out in a shock tube equipped with piezoelectric pressure transducers at initial nitrogen pressures of 10 kPa, 20 kPa and 50 kPa. Mach numbers of the shock waves were varied from 1.5 to 4.3. The pressures of the incident shock waves, reflected shock waves and transmitted shock waves were determined. Graphs of the Mach numbers of reflected and transmitted shock waves depending on the Mach number of the incident shock wave were obtained. The dependence of the attenuation of the transmitted and reflected shock waves on the Mach number of the incident shock wave and on the permeability was obtained. It was shown that the time of pressure relaxation time behind the reflected shock wave increases with increasing Mach number.

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来源期刊
Experiments in Fluids
Experiments in Fluids 工程技术-工程:机械
CiteScore
5.10
自引率
12.50%
发文量
157
审稿时长
3.8 months
期刊介绍: Experiments in Fluids examines the advancement, extension, and improvement of new techniques of flow measurement. The journal also publishes contributions that employ existing experimental techniques to gain an understanding of the underlying flow physics in the areas of turbulence, aerodynamics, hydrodynamics, convective heat transfer, combustion, turbomachinery, multi-phase flows, and chemical, biological and geological flows. In addition, readers will find papers that report on investigations combining experimental and analytical/numerical approaches.
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