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|Title:||Effects of forebody slot blowing on vortex breakdown and load over a delta wing|
|Authors:||Cui, Y.D. |
|Source:||Cui, Y.D.,Lim, T.T.,Tsai, H.M. (2007). Effects of forebody slot blowing on vortex breakdown and load over a delta wing. Collection of Technical Papers - 45th AIAA Aerospace Sciences Meeting 15 : 10724-10737. ScholarBank@NUS Repository.|
|Abstract:||Previous studies on vortex breakdown control via forebody slot blowing show that this technique can be used to delay vortex breakdown on a delta wing more effectively than some existing blowing techniques. In this paper, we further extended the investigation using a generic delta wing-body model with symmetrical and differential forebody slot blowing by means of flow visualization and force measurement in a water tunnel, at the Reynolds number of 8.5 × 104, and the angles of attack of 17 to 30 degrees. The experimental results show that symmetrical forebody slot blowing leads to a significant delay in the formation of vortex breakdown and an increase in the lift of about 5%. The differential blowing can manipulate the vortex breakdown position and change the roll moment of the wing, which suggests that differential forebody slot blowing can be a potential mean for roll control.|
|Source Title:||Collection of Technical Papers - 45th AIAA Aerospace Sciences Meeting|
|Appears in Collections:||Staff Publications|
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