NDLI: Numerical simulation of viscous cavitating flow around a ship propeller

Content Provider	Springer Nature Link
Author	Zhu, Zhi feng Fang, Shi liang Wang, Xiao yan Meng, Zhao wen Liu, Ping xiang Du, Xuan min
Copyright Year	2011
Abstract	In the present study, cavitation and a ship propeller wake are reported by computed fluid dynamics based on viscous multiphase flow theory. Some recent validation results with a hybrid grid based on unsteady Navier-Stokes (N-S) and bubble dynamics equations are presented to predict velocity, pressure and vapor volume fraction in propeller wake in a uniform inflow. Numerical predictions of sheet cavitation, tip vortex cavitation and hub vortex cavitation are in agreement with the experimental data, same as numerical predictions of longitudinal and transversal evolution of the axial velocity. Blade and shaft rate frequency of propeller is well predicted by the computed results of pressure, and tip vortex is the most important to generate the pressure field within the near wake. The overall results indicate that the present approach is reliable for prediction of cavitation and propeller wake on the condition of uniform inflow.
Starting Page	539
Ending Page	548
Page Count	10
File Format	PDF
ISSN	08905487
Journal	China Ocean Engineering
Volume Number	25
Issue Number	3
Language	English
Publisher	Chinese Ocean Engineering Society
Publisher Date	2011-08-27
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	cavitating flow RANS propeller sliding mesh multiphase flow Oceanography Offshore Engineering Fluid- and Aerodynamics Coastal Sciences Marine & Freshwater Sciences Numerical and Computational Physics
Content Type	Text
Resource Type	Article
Subject	Oceanography Ocean Engineering Renewable Energy, Sustainability and the Environment Mechanical Engineering

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