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Can Shapes With Negative Pressure Gradients Prevent Cavitation?

[+] Author Affiliations
Ihor Nesteruk

National Academy of Sciences of Ukraine, Kyiv, Ukraine

Paper No. FEDSM2003-45323, pp. 287-294; 8 pages
doi:10.1115/FEDSM2003-45323
From:
  • ASME/JSME 2003 4th Joint Fluids Summer Engineering Conference
  • Volume 1: Fora, Parts A, B, C, and D
  • Honolulu, Hawaii, USA, July 6–10, 2003
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 0-7918-3696-7 | eISBN: 0-7918-3673-8
  • Copyright © 2003 by ASME

abstract

Axisymmetric and plane shapes with negative pressure gradients at a surface are calculated. It is shown that the length of the pressure increase zone may be very short. The axisymmetric bodies tested in a wind tunnel with a small obstacle placed on the surface provide unseparated flow patterns. The discussed shapes may probably be used for the prevention of cavitation.

Copyright © 2003 by ASME

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