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Fluid Dynamics of High Angle of Attack pp 237–252Cite as

Recent Studies of Slot-Blowing Techniques for Vortex Control on Slender Configurations

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Summary

Three experimental studies of pneumatic (slot blowing) concepts of vortical and 3-dimensional separation control to improve the aerodynamics of slender configurations are described: (a) High-alpha LEX blowing for post-stall lateral control; (b) Delta wing vortex lift augmentation for slower landing; and (c) Tip stall control on crank-arrow planform for pitch-up alleviation and lateral control. Low-speed tunnel flow visualizations, and pressure/force/moment measurements on generic models are presented in support of the concepts and to demonstrate their aerodynamic potential.

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References

  1. Thompson, D.H., “A visualization study of the vortex flow around double delta wings,” Aerodynamics Report 165, A.R.L. Australia, May 1975.

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  2. Rao, D.M., and Huffman, J.K., “Hinged strakes for enhanced maneuverability at high angles of attack,” J. Aircraft, Vol. 19, No. 4, 1982.

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  3. Bobbitt, P.J., and Foughner, J.T., “Pivotable strakes for high angle of attack control,” SAE Paper 851821, October 1985.

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  4. Campbell, J.F., and Erickson, G.E., “Effects of spanwise blowing on the surface pressure distributions and vortex-lift characteristics of a trapezoidal wing-strake configuration,” NASA TP 1290, February 1979.

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  5. Trebble, W.J.G.,: “Exploratory investigation of the effects of blowing from the leading edge of a delta wing,” ARC RandM No. 3518, April 1966.

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Author information

Authors and Affiliations

  1. VíGYAN, Inc., Hampton, Virginia, USA

    Dhanvada M. Rao

Authors
  1. Dhanvada M. Rao
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Editor information

Editors and Affiliations

  1. Dept. of Aeronautics Faculty of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku Tokyo 113, Japan

    R. Kawamura  & Y. Aihara  & 

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© 1993 Springer-Verlag Berlin Heidelberg

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Rao, D.M. (1993). Recent Studies of Slot-Blowing Techniques for Vortex Control on Slender Configurations. In: Kawamura, R., Aihara, Y. (eds) Fluid Dynamics of High Angle of Attack. International Union of Theoretical and Applied Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-52460-8_16

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  • DOI: https://doi.org/10.1007/978-3-642-52460-8_16

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-52462-2

  • Online ISBN: 978-3-642-52460-8

  • eBook Packages: Springer Book Archive

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