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Partially cavitating hydrofoils: experimental and numerical analysis

Abstract : The numerical modeling of partially cavitating foils under a confined flow configuration is described. A complete study of previous numerical models highlights that the presence of a turbulent and two-phase wake, at the rear of the cavity, has a nonnegligible effect on the local pressure coefficient, the cavitation number, the cavity length and the lift coefficient; hence viscous effects must be included. Two potential methods are used, each being coupled with a calculation of the boundary layer developed downstream of the cavity. So, an open cavity numerical model, as it is called, was developed and tested with two types of foil: a NACA classic foil and a foil of which the profile is obtained performing an inverse calculation on a propeller blade test section. On the other hand, under noncavitating conditions, for each method, the results are compared with the results obtained by the Navier-Stokes solver FLUENT. The cavitating flow configurations presented herein were carried out using the small hydrodynamic tunnel at Bassin d'Essais des Carènes [Val de Reuil, France]. The results obtained by the two methods are compared with experimental measurements.
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Submitted on : Wednesday, May 14, 2014 - 5:06:24 PM
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  • HAL Id : hal-00991104, version 1




Christian Pellone, Thierry Maître, Laurence Briançon-Marjollet. Partially cavitating hydrofoils: experimental and numerical analysis. Journal of Ship Research, Society of Naval Architects and Marine Engineers, 2000, 44 (1), pp.40-58. ⟨hal-00991104⟩



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