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http://dx.doi.org/10.3744/SNAK.2011.48.6.501

Numerical Analysis of a Tip Vortex Flow for Propeller Tip Shapes  

Park, Sun-Ho (Department of Naval Architecture and Ocean Engineering, Seoul National University)
Seo, Jeong-Hwa (Department of Naval Architecture and Ocean Engineering, Seoul National University)
Kim, Dong-Hwan (Department of Naval Architecture and Ocean Engineering, Seoul National University)
Rhee, Shin-Hyung (Department of Naval Architecture and Ocean Engineering, Research Institute of Marine Systems Engineering, Seoul National University)
Kim, Ki-Sup (Korea Ocean Research & Development Institute)
Publication Information
Journal of the Society of Naval Architects of Korea / v.48, no.6, 2011 , pp. 501-508 More about this Journal
Abstract
In order to control the tip vortex cavitation occurring around the tip of a rotating propeller blade, researches on the propeller cavitation and blade tip vortex flows have been increased. In this paper, the propeller tip vortex flow for a blunt and sharp tips was studied using an unsteady Reynolds-averaged Navier-Stokes equations solver based on a cell-centered finite volume method. In numerical open water test, torques, thrusts, pressure distributions and vortex flows were compared for various rotating speeds. To consider a hull wake, the nominal wake was specified in inlet boundary condition. Pressure distributions and vortex flows with the hull wake were investigated for various propeller rotating angles. From the results, it was confirmed that the blunt tip propeller delayed the tip vortex flow.
Keywords
Propeller blade tip; Tip vortex flow; Computational fluid dynamics(CFD);
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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