Letter | Published:

Aerodynamic Drag of Perforated Plates

Nature volume 180, page 702 (05 October 1957) | Download Citation

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Abstract

WE have recently conducted wind-tunnel experiments to determine the aerodynamic drag of perforated plates at zero incidence by the wake transverse method. The plates have no protuberances, yet they are aerodynamically rough and give a drag comparable with that of plates covered with protruding roughness of the same size and spacing as the holes.

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References

  1. 1.

    , “Modern Developments in Fluid Mechanics” (Oxford Univ. Press, 1938).

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Author information

Affiliations

  1. Hawksley Hydraulic Laboratory, Civil Engineering Department, Imperial College, London, S.W.7.

    • J. R. D. FRANCIS
    •  & P. MINTON

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DOI

https://doi.org/10.1038/180702a0

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