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Numerical Investigation Of Cavitation Performance of Ship Propellers

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Abstract

The cavitation performance of propellers is studied based on viscous multiphase flow theories. With a hybrid grid based on Navier-Stokes (N-S) and bubble dynamics equations, some recent validation results are presented in this paper in the predictions of the thrust, the torque and the vapor volume fraction on the back side of propeller blade for a uniform inflow. The numerical predictions of the hydrodynamic performance and the sheet cavitation under several operating conditions for two propellers agree with the corresponding measured data in general. The thrust and the torque are plotted with respect to the advance rate and the cavitation number. The cavitation performance breakdown is closely related to the strong sheet cavitation around propellers. The models with parameters modified are shown to predict the propeller cavitation well.

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Authors and Affiliations

  1. Key Laboratory of Underwater Acoustic Signal Processing, Ministry of Education, Southeast University, Nanjing, 210096, China

    Zhi-feng Zhu & Shi-liang Fang

  2. School of Electrical Engineering and Information, Anhui University of Technology, Maanshan, 243002, China

    Zhi-feng Zhu

Authors
  1. Zhi-feng Zhu
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  2. Shi-liang Fang
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Corresponding author

Correspondence to Zhi-feng Zhu.

Additional information

Project supported by the Open Foundation of Key Laboratory of Underwater Acoustic Signal Processing of Ministry of Education, Southeast University (Grant No. UASP1102), the National Key Basic Research Program of China (973 Program Grant No. 6131222).

Biography: ZHU Zhi-feng (1972-), Male, Ph. D., Associate Professor

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Zhu, Zf., Fang, Sl. Numerical Investigation Of Cavitation Performance of Ship Propellers. J Hydrodyn 24, 347–353 (2012). https://doi.org/10.1016/S1001-6058(11)60254-0

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  • DOI: https://doi.org/10.1016/S1001-6058(11)60254-0

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