Geometric Effect on Compressible Rectangular Cavity Flows

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Author(s)

Abstract

Experiments were performed to study the geometric effects on the compressible rectangular cavity flows at Mach 0.33, 0.62, and 0.82. Typical characteristics of mean surface pressure distributions show a slight pressure variation near the front face, a local peak surface pressure ahead of the rear corner, and a low pressure immediately downstream of the cavity. The length-to-width ratio of a cavity has a strong effect on the recompression and downstream expansion near the rear face, and the Mach number effect is minimized. Surface pressure fluctuation distributions show a damping near the leading edge at a higher freestream Mach number, a minor peak near the middle of the cavity floor, an increase toward the cavity rear face, and a peak value immediately downstream of the cavity. The amplitude of the pressure fluctuations ahead of the rear face increases with the length-to-width ratio for transitional- and closed-type cavity flows, and the maximum of peak pressure fluctuations rises rapidly for the transitional cavity flows at higher length-to-width ratio.

Journal

  • TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES

    TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES 45(147), 28-34, 2002-05-04

    THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES

References:  14

Codes

  • NII Article ID (NAID)
    10008210713
  • NII NACSIS-CAT ID (NCID)
    AA0086707X
  • Text Lang
    ENG
  • Article Type
    ART
  • ISSN
    05493811
  • NDL Article ID
    6170561
  • NDL Source Classification
    ZN25(科学技術--運輸工学--航空機・ロケット)
  • NDL Call No.
    Z53-M236
  • Data Source
    CJP  NDL  J-STAGE 
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