천수 영역에서 저속 운항하는 선박의조종성능 추정에 관한 연구
Prediction of Manoeuvrability of a Shipwith Low Forward Speed in Shallow Water
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초록
In this paper, a mathematical model for a ship manoeuvring with low forward speed in shallow water was suggested. Based on the cross flow model with low forward speed in deep sea, hull, propeller and rudder models were modified to consider the shallow water effects. Static drift and PMM tests were performed to obtain the cross flow drag coefficients and hydrodynamic coefficients. To validate suggested mathematical model, numerical simulation results were compared with those of sea-trials. Through comparisons, it was concluded that suggested mathematical model could give proper estimation on turning test results.
Abstract
In this paper, a mathematical model for a ship manoeuvring with low forward speed in shallow water was suggested. Based on the cross flow model with low forward speed in deep sea, hull, propeller and rudder models were modified to consider the shallow water effects. Static drift and PMM tests were performed to obtain the cross flow drag coefficients and hydrodynamic coefficients. To validate suggested mathematical model, numerical simulation results were compared with those of sea-trials. Through comparisons, it was concluded that suggested mathematical model could give proper estimation on turning test results.
참고문헌 (10)
- Hoerner, "Fluid-Dynamic Drag" (1965), Brick Town
- International Towing Tank Conference, "Manoeuvring in Shallow and Confined Water", Proceedings of 23rd ITTC, 통권 : 1, pp.201~209 (2003)
- Kijima, K., "Manoeuvring Characteristics in Shallow Water and at Slow Speed", Proceedings of the 4th Symposium on JMDC, pp.133~189 (1987)
- Kim,J.A., "Mathematical Model for the Hydrodynamic Forces in Forward or Backward Low Speed Maneuvering", Journal of the SNAK, 29(3), pp.45~52 (1992)
- Oltmann, P., "Simulation of Combined Engine and Rudder Maneuvers using an Improved Model of Hull-Propeller-Rudder Interactions", Proceedings of the 15th Symposium on Naval Hydrodynamics, pp.83~108 (1984)
- Sohn, K.H., "Hydrodynamic Forces and Maneuvering Characteristics of Ships at Low Advance Speed", Journal of the SNAK, 29(3), pp.90~101 (1992)
- Yasukawa, "Computation of Effective Rudder Forces of a Ship in Shallow Water", MAN’ 98, pp.125~133 (1998)
- Yoo, W.J., "An Experimental Research on the Maneuvering Derivatives of a Twinscrew Ferry for Berthing and Unberthing", pp.2000
- 윤현규, "저속시 선체에 작용하는 유체력 수학모형 정립을 위한 모형시험 방안 연구", 대한조선학회 논문집, 42(2), pp.98~104 (2005), 대한조선학회
- Yoshimura, Y., "Mathematical model for the Manoeuvring Ship Motion in Shallow Water-Mathematical Model at Slow Forward Speed", Journal of Kansai Society of Naval Architects of Japan, 210, pp.77~84 (1988)