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Limitations on 2D Super-cavitating Hydrofoil Performance

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Pearce, BW and Brandner, PA (2007) Limitations on 2D Super-cavitating Hydrofoil Performance. In: 16th Australasian Fluid Mechanics Conference, 2-7 December, 2007, Crown Plaza, Gold Coast, Australia.

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Abstract

Classical super-cavitating hydrofoil performance predictions
have been based on linearised potential theory for zero cavitation
number. More rationalised predictions of super-cavitating
hydrofoil performance have been evaluated using a non-linear
boundary element formulation. Comparisons are made between
flat-plate, circular-arc, and NACA 4-digit camber line wetted
surface profiles. Limitations of super-cavitating foil performance
are defined in terms of minimum cavity length to avoid
instability and the minimum cavity clearance from the hydrofoil
wetted surface. The dependence of these limitations on hydrofoil
wetted surface profile, incidence and cavitation number are
derived.

Item Type: Conference or Workshop Item (Paper)
Page Range: pp. 819-824
Date Deposited: 05 May 2008 00:16
Last Modified: 18 Nov 2014 03:39
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