Experimental Investigation of the Effect of Gumey Flap on Airfoil Aerodynamical Characteristics

Zhou Ruixing;Gao Yongwei;Shangguan;Yunxin;Xiao Chunsheng;Xi Zhongxiang

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  • Sponsored by: China Association for Science and Technology (CAST)

    Editor-In-Chief: Xu Yida

    ISSN 1000-1093

    　

  • Hosted By: China Ordnance Society

    Published By: Acta Armamentarii

    CN 11-2176/TJ

Acta Armamentarii, a Chinese monthly journal, was first published in 1979. The journal is supervised by China Association for Science and Technology, sponsored by China Ordnance Society，and edited and published by Editorial Board of Acta Armamentarii. The Journal is included in all important domestic databases，and also collected by Engineering Index (EI, USA), Chemical Abstracts (CA, USA), Science Abstracts (SA, UK）, Abstract Journal (AJ, Russia), and Current Bibliography on Science and Technology(CBST).Acta Armamentarii has been selected into the journal Of Ordnance Science and Technology (Weapons Industry) Field Of High Quality Scientific and Technological Periodical Classification Catalogue (2022 edition), ranking T1, and the journal of Automotive Engineering Field of High Quality Scientific and technological Periodical classification Catalogue, ranking T2.
Acta Armamentarii ›› 2003, Vol. 24 ›› Issue (1) : 125-127. DOI: 10.3969/j.issn.1000-1093.2003.01.031
Experimental Techniques and Analysis

Experimental Investigation of the Effect of Gumey Flap on Airfoil Aerodynamical Characteristics

  • Zhou Ruixing, Gao Yongwei ,Shangguan, Yunxin, Xiao Chunsheng， Xi Zhongxiang
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Abstract

Increase in the lift of an aircraft will widen its applicability. In this paper, the effects of in?creasing the lift and flow characteristics around a single airfoil with the Gumey flap are studied by experi?mental methods of surface pressure, boundary-layer and wake measurments. The experimental results indi?cate that the effect of Gumey flap in increasing the lift is closely related with the height of the flap. Gumey flap can increase the lift coefficient of an airfoil to 53 % , when a = 8° and height = 3 % c ?

Key words

fluid mechanics / airfoil / Gumey flap / wind tunnel testing / pressure measurment / bound?ary-layer / lift

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Zhou Ruixing, Gao Yongwei ,Shangguan, Yunxin, Xiao Chunsheng， Xi Zhongxiang. Experimental Investigation of the Effect of Gumey Flap on Airfoil Aerodynamical Characteristics. Acta Armamentarii. 2003, 24(1): 125-127 https://doi.org/10.3969/j.issn.1000-1093.2003.01.031

References

[1] Giguere P，Lemay J, Dumas G. Burney flap effects and scaling for low-speed airfoil. AIAA Paper 95-1881, 1995.
[2] Myose R,Heron I,Papadakis M. Effect of Gumey flaps on NACA- 0011 airfoil, AIAA 96 ?0059.
[3] Papadakis M, Myose R Y, Heron I, Johnson BJ. An experimental investigation of Gumey flaps on a GA(W)-2 airfoil with 25 % slotted flap. AIAA-96-2437-cp.
[4] Herort M R,Papadakis M I. The post-stall effct of Gumey flaps on a NACA 0011 airfoil. In： Proc of SAE Aeropace Atlantic Conference. Dayton OH： 1996.

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