Measurement and Modeling of Propeller Cavitation in Uniform Inflow

Author:

Pereira Francisco,Salvatore Francesco1,Di Felice Fabio1

Affiliation:

1. Istituto Nazionale per Studi ed Esperienze di Architettura Navale, Via di Vallerano, 139-00128 Rome, Italy

Abstract

An experimental and theoretical investigation on a cavitating propeller in uniform inflow is presented. Flow field investigations by advanced imaging techniques are used to extract quantitative information on the cavity extension. A refined map of the propeller cavitating behavior is established. Measurements are compared to numerical results obtained using an inviscid flow boundary element method for the analysis of blade partial sheet cavitation and supercavitation. The effect of the trailing wake vorticity on the prediction of the cavitation pattern is analyzed via a wake alignment technique.

Publisher

ASME International

Subject

Mechanical Engineering

Reference25 articles.

1. Dupont, P., and Avellan, F., 1991, “Numerical Computation of a Leading Edge Cavity,” Proc. of Int. Symposium on Cavitation and Multiphase Flow, vol. FED-116, ASME-JSME, Portland, Oregon (USA), pp. 47–54.

2. Pereira, F., 1997, “Pre´diction de l’E´rosion de Cavitation: Approche E´nerge´tique,” Ph.D. thesis, E´cole Polytechnique Fe´de´rale de Lausanne, Institut de Machines Hydrauliques et de Me´canique des Fluides (IMHEF-LMH), no 1592.

3. Pereira, F., Avellan, F., and Dupont, P., 1998, “Prediction of Cavitation Erosion: An Energy Approach,” J. Fluids Eng., 120(4), pp. 719–727.

4. Chiba, N., Sasajima, T., and Hoshino, T., 1980, “Prediction of Propeller-Induced Fluctuating Pressures and Correlation With Full Scale Data,” Proc. of the 13th Symposium on Naval Hydrodynamics, ONR, Tokyo, pp. 89–103.

5. Lehman, A. F., 1966, “Determination of Cavity Volumes Forming on a Rotating Blade,” 11th International Towing Tank Conference, ITTC, Tokyo (Japan), pp. 250–253.

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