Thermo-acoustic instability in the horizontal Rijke tube

被引：0
|
作者：
Woo-Seog Song
Seungbae Lee
Dong-Shin Shin
Yang Na
机构：
[1] Inha University,Department of Mechanical Engineering, College of Engineering
[2] Hongik University,Department of Mechanical System Desighn Engineering, College of Engineering
[3] Konkuk University,CAESIT, Department of Mechanical Engineering
来源：
Journal of Mechanical Science and Technology | 2006年 / 20卷
关键词：
Thermo-acoustic Instability; Rijke Tube; Inflow Turbulence;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The instability curve of a Rijke tube system was obtained accurately by following different paths of heat power and flow-rate for three regions and by defining its locus from the criterion based on the measured sound pressure levels. The unstable limits in the region of flow-rate lower than that at the minimal power are compared with previous data. To observe the effect of turbulence on the unstable limits, inflow turbulence was introduced by placing a bundle of circular cylinders upstream of the heating part (50< Red< 700). The large-amplitude inflow fluctuation may delay the transition of the chamber acoustic mode to the unstable zone even at a sufficient power.
引用
收藏
页码：905 / 913
页数：8
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