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http://dx.doi.org/10.3744/SNAK.2016.53.5.400

A Study on Predicting Ship Resistance Performance due to Surface Roughness Using CFD  

Seok, Jun (Research Institute of Medium & Small Shipbuilding(RIMS))
Park, Jong-Chun (Department of Naval Architecture and Ocean Engineering, Pusan National University)
Shin, Myung-Soo (Korea Research Institute of Ships & Ocean Engineeering(KRISO))
Kim, Sung-Yong (Approval Center Korea, DNV-GL)
Publication Information
Journal of the Society of Naval Architects of Korea / v.53, no.5, 2016 , pp. 400-409 More about this Journal
Abstract
In recent, shipping companies have made an enormous effort to improve the operation of vessel in various approaches, due to recession of shipping market and increasing competition among shipping companies. One of important parameters for improving the efficiency of vessel is the resistance performance that consist of friction and residual resistance. Especially, it is recognized that the friction resistance tends to be affected by conditions of vessel’s surface and occupies approximately 70~90% of the total resistance for slow speed ships. In general, the surface of vessel is covered with various type of paint to reduce fouling and corrosion. As time goes by, however, it is so hull roughness would be increased by fouling over the wetted surface that anti-fouling paints, such as CDP(Controlled Depletion Paint), Tin-Free SPC(Self Polishing Co-polymer) or Foul Release, are applied evenly on the hull surface. Nevertheless, these anti-fouling paints could not prevent fouling absolutely. A fundamental study on evaluating ship resistance performance variation due to hull roughness has been performed using a commercial software, Star-CCM+, which solves the continuity and Navier-Stokes equations for incompressible and viscous flow. The results of present simulation for plate are compared with some experimental data available and the effect of surface roughness to ship resistance performance is discussed.
Keywords
CFD; EEDI; Friction resistance; Ship resistance; Surface roughness;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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