빙-선체 마찰계수 측정 기법
The Measuring Methodology of Friction Coefficient between Ice and Ship Hull
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초록
In this paper, friction coefficients between ices and model ship were studied in order to predict the resistance of ice. The friction coefficient is a dimensionless scalar value which describes the ratio of the force of friction between two bodies and the force pressing them together. The coefficient of friction depends on the materials, roughness on surface, lubrication, etc. We tested and analyzed the friction coefficient for the development of the test methodology. The friction coefficient for ice model test is very dominant to predict the ship performance, so every ice tank uses their own painting technique. In this study, the friction coefficient with changing the moving speed of ice was studies by using a flat plates which were made by the MOERI's paining technique and the basic research for the developing the paining methodology in the MOERI ice model basin was carried out.
Abstract
In this paper, friction coefficients between ices and model ship were studied in order to predict the resistance of ice. The friction coefficient is a dimensionless scalar value which describes the ratio of the force of friction between two bodies and the force pressing them together. The coefficient of friction depends on the materials, roughness on surface, lubrication, etc. We tested and analyzed the friction coefficient for the development of the test methodology. The friction coefficient for ice model test is very dominant to predict the ship performance, so every ice tank uses their own painting technique. In this study, the friction coefficient with changing the moving speed of ice was studies by using a flat plates which were made by the MOERI's paining technique and the basic research for the developing the paining methodology in the MOERI ice model basin was carried out.
참고문헌 (6)
- Coast Guard Washington D. C, "Hull lubrication for icebreaking on the RARITAN" (1973), U.S.C.G
- J. Bell, "Kinetic coefficient of friction measurements of EG", AD, Institute for Ocean Technology, National Research Council of Canada, pp.1991, ~
- Kimmo, Juurmaa, "The Wartsila air bubble system", Polar record, 19 (1978)
- 이춘주, "빙수조 모형시험법 개선 연구", 대한조선학회 논문집, 45(5), pp.562~568 (2008), 대한조선학회
- Lee, J.Y, "History and flow of ship painting", Journal of the Society of Naval Architects of Korea, 47(2), pp.59~67 (2010)
- R, Frederking, "Friction of Sea Ice on Steel for Condition of Varing Speeds", 12th International Offshore and Polar Engineering Conference (2002)