Laminar-turbulent transition in a supersonic boundary layer during initiation of a pulsed surface discharge

被引：0
|
作者：
I. A. Znamenskaya
D. F. Latfullin
I. V. Mursenkova
机构：
[1] Moscow State University,Department of Physics
来源：
Technical Physics Letters | 2008年 / 34卷
关键词：
47.27.nb; 47.40.Ki;
D O I：
暂无
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学科分类号：
摘要：
The near-surface layer structure in a supersonic airflow (M = 1.5) behind the plane shock wave has been experimentally studied in a shock tube. The flow structure was visualized using nanosecond pulsed distributed surface discharge. Different structures of plasma glow have been observed for the laminar and turbulent flow regimes in the boundary layer. The position of a region of the laminar-turbulent transition for different flow densities (0.11 and 0.19 kg/m3) has been determined and the critical Reynolds number (Rek ∼ 2.4 × 105) for this transition has been evaluated.
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页码：668 / 670
页数：2
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