Natural laminar-turbulent transition delay by dielectric barrier discharge

被引：1
|
作者：
Ustinov, Maxim
Kogan, Mikhail
Litvinov, Vladimir
Uspensky, Alexander
机构：
来源：
13TH EUROPEAN TURBULENCE CONFERENCE (ETC13): WALL-BOUNDED FLOWS AND CONTROL OF TURBULENCE | 2011年 / 318卷
关键词：
D O I：
10.1088/1742-6596/318/2/022037
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The use dielectric barrier discharge for the delay of laminar turbulent transition excited by natural flow disturbances in a quiet wind-tunnel was investigated experimentally. Optimal electrodes location and the operational regime of high-voltage impulse generator provided maximal downstream shift of transition location were found. It was demonstrated that the 10% increase of the laminar part of boundary layer can be obtained using barrier discharge with the cross-flow electrodes. This gives up to 20% friction drag reduction.
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页数：9
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