Application of Pulsed Blowing Technique in High-Lift Control Surface Design

Peng Wu; Xue Ying Deng; Yan Kui Wang

doi:10.4028/www.scientific.net/AMR.482-484.121

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 482-484Application of Pulsed Blowing Technique in...

Application of Pulsed Blowing Technique in High-Lift Control Surface Design

Abstract:

Because the flight performance of aircraft is so dependent on aerodynamic efficiency of control surfaces, it is very important to eliminate the flow separation over the control surfaces at high deflection angle in order to keep the aircraft having good flight capability, especially for the modern aircraft with tailless aerodynamic configuration. A novel flow control technique to eliminate flow separation of control surface at high deflection angle and creat high lift increment by pulsed blowing at leading edge of control surface is discussed in this paper. The performance of lift enhancment of control surface which used this technique is investigated, and based on the zonal analysis of pulsed frequency, the control characteristic of this technique is also discussed.

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Periodical:

Advanced Materials Research (Volumes 482-484)

Pages:

121-125

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.482-484.121

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Online since:

February 2012

Authors:

Peng Wu, Xue Ying Deng, Yan Kui Wang

Keywords:

Control Surface Design, Lift Enhancement, Pulsed Blowing, Separation Control

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References

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