Separation control on a high-lift configuration by periodic exitation

被引：0
|
作者：
Tinapp, F [1 ]
Nitsche, W [1 ]
机构：
[1] Tech Univ Berlin, Inst Luft & Raumfahrt, D-10587 Berlin, Germany
来源：
NEW RESULTS IN NUMERICAL AND EXPERIMENTAL FLUID MECHANICS III | 2002年 / 77卷
关键词：
D O I：
暂无
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
This paper describes some experimental results, aiming at separation control on a simple high-lift configuration. A separated flow can be forced to reattach by introducing periodic excitation. These are of fixed frequency and amplitude, using periodic blowing and suction through a narrow slot aligned in spanwise direction on the flap. The paper concentrates on results achieved with a fixed geometric configuration of the test model. At this configuration the flow on the flap was fully separated in the case without excitation. Full reattachment of the separated shear layer could be obtained due to excitation in a frequency range of 50 Hz - 400 Hz.
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页码：42 / 49
页数：8
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