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On the importance of boundary layer calculation instead of viscous correction in heavily loaded marine propellers while using a surface panel method

Lookup NU author(s): Professor Mehmet Atlar


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A surface panel method is employed for the thin boundary layer calculation of heavily loaded marine propellers in steady state conditions. Employing the surface panel method, known as the "Morino Method", the flow field around the propeller is represented by an unknown potential. The majority of the flow field is governed by the potential theory while the viscosity is assumed to be largely confined to thin shear layer on the propeller surface. The boundary layer calculations are performed by using Cebeci-Smith two dimensional model and the local skin friction coefficients and blowing velocities are obtained along the pre-computed on-body streamlines. It is shown that the prediction of torque of the propeller is improved when the boundary layer calculations are used instead of the boundary layer corrections based on the formulae established for the flat plates. © 2000 Elsevier Science Ltd. All rights reserved.

Publication metadata

Author(s): Takinaci AC, Atlar M

Publication type: Article

Publication status: Published

Journal: Ocean Engineering

Year: 2001

Volume: 28

Issue: 5

Pages: 519-536

ISSN (print): 0029-8018

ISSN (electronic): 1873-5258

Publisher: Pergamon


DOI: 10.1016/S0029-8018(00)00012-3


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