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.
Can Shapes With Negative Pressure Gradients Prevent Cavitation?
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Nesteruk, I. "Can Shapes With Negative Pressure Gradients Prevent Cavitation?." Proceedings of the 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. pp. 287-294. ASME. https://doi.org/10.1115/FEDSM2003-45323
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