The analysis of effective energy of ship's berthing to the quay

• Autorzy: Galor W.
• Języki publikacji: EN

Abstrakty

EN

The berthing of ship to the quay is last stage of navigation process. An ideal manoeuvre would be consisted in a total loss of speed at the moment the ship makes contact with the quay. In practice, the ship has some speed, which caused the impact of ship in the quay. The accident can be happened when kinetic energy overdone the admissible value during contact the ship-quay. In results, the damage of ship's hull or port structure can occur. The fenders improve the safety of berthing operations by partially absorbing the kinetic energy of ship. The fenders parameters should be properly selected relative to existing condition during ship's berthing. It depends on effective energy of berthing ship. There are used some method to calculate of its value. One of them is based on phenomena of ship turning relative to point of first contact to the quay. Then the part of ship's kinetic energy is altered to work of turn, and in result, energy of ship impact is decreased. This part can be determined by coefficient of eccentricy. Its value mainly depends on radius of ship's turning, which is equal of distance between point of ship, gravity and point of first contact with quay. Simplified method of calculation the eccentricy coefficient based on ships angle of approaching to the quay. But such estimated value is weighted some discrepancy. The paper presents the analysis of methods of calculation the kinetic energy during first impact in the quay. Especially, the geometrical shape of ship's hull is considered to achieve the accuracy value of ship's impact energy during the berthing to the quay. The application of elaborated method permits to optimize the parameters of fender system.

Słowa kluczowe

EN

safety of navigation; ships berthing; fenders

• Wydawca: Łukasiewicz Research Network - Institute of Aviation ; European Science Society of Powertrain and Transport KONES Poland ; Wydawnictwo Instytutu Technicznego Wojsk Lotniczych
• Czasopismo: Journal of KONES
• Rocznik: 2012
• Tom: Vol. 19, No. 4
• Strony: 185--191
• Opis fizyczny: Bibliogr. 8 poz., rys.

Twórcy

autor

Galor W.

• Maritime University of Szczecin Faculty of Navigation Wały Chrobrego Street 1/2 , 70-500 Szczecin, Poland tel.: [phone], fax: [phone],

Bibliografia

• [1] Galor, W., Bezpieczeństwo żeglugi na akwenach ograniczonych budowlami hydrotechnicznymi. Wyd. FRWSM Szczecin, 2002.
• [2] Galor, W., Analiza efektywnej energii dobijania statku do nabrzeża. Zeszyty Naukowe nr 8(80) Akademii Morskiej w Szczecinie, Szczecin 2006.
• [3] Galor, W., Analiza zmian energii dobijania statku do nabrzeża dla różnych kątów podejścia. Proceedings of the XII International Scientific and Technical Conference on Marine Traffic Engineering, Świnoujście 2007.
• [4] Galor, W., The modeling of buckling fenders to protect the ship berthing process. Journal of KONES Powertrain and Transport. Vol. 14, No.3. Warsaw 2007.
• [5] Galor, W., The selected problems regard of ship’s safety during berthing. Monograph “Computer Systems Aided Science and Engineering Works in Transport, Mechanics and Electrical Engineering”. TU Radom, No 121, 2008.
• [6] Guidelines for the design of fenders systems. Supplement Bulletin PIANC. Brussels, 2002.
• [7] Mazurkiewicz, B.: Urządzenia odbojowe, Studia i Materiały, Zeszyt nr 16, Wyd. KBM Politechnika Gdańska, Gdańsk 1991.
• [8] Vasco, C. F., Berthing manoeuvres of large ship. The Dock & Harbour Authority. March 1968.