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Modeling of cavitating or ventilated flows using BEM (2003)

Kinnas, Spyros A. ; Young, Yin L.

Bradford : Emerald

International journal of numerical methods for heat & fluid flow 13 (2003), S. 672-697

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ISSN: 0961-5539

Source: Emerald Fulltext Archive Database 1994-2005

Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics

Notes: Boundary element method (BEM) techniques for the prediction of cavitating or ventilated flows around hydrofoils and propeller are summarized. Classical, supercavitating, and ventilated blade section geometries are considered. Recent extensions which allow for the modeling of cavities on either or both sides of the blade surface are presented. Numerical validation studies and comparisons with experimental measurements are shown.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1108/09615530310498376

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Inversion of the source and vorticity equations for supercavitating hydrofoils (1992)

Kinnas, Spyros A.

Springer

Journal of engineering mathematics 26 (1992), S. 349-361

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ISSN: 1573-2703

Source: Springer Online Journal Archives 1860-2000

Topics: Mathematics , Technology

Notes: Abstract The problem of a supercavitating hydrofoil of general shape with leading edge cavity detachment is addressed in linear theory in terms of unknown source and vorticity distributions on the foil and cavity. The related singular integral equations are inverted analytically and the cavitation number, the source and vorticity distributions are expressed in terms of integrals of quantities which depend only on the hydrofoil shape and the cavity length. Numerical algorithms for computing these integrals accurately and efficiently are given.