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Article

The Influence of Port Tugs on Improving the Navigational Safety of the Port

Marine Engineering Department, Klaipeda University, H. Manto 84, LT-92219 Klaipeda, Lithuania
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Academic Editor: Jakub Montewka
J. Mar. Sci. Eng. 2021, 9(3), 342; https://doi.org/10.3390/jmse9030342
Received: 22 February 2021 / Revised: 9 March 2021 / Accepted: 15 March 2021 / Published: 20 March 2021
(This article belongs to the Special Issue Decarbonization of Ship Power Plants)
Port tugs are an important element in port activity and navigational safety issues. Port tugs ensure the safety of big ships while they are entering, manoeuvring, mooring and unmooring, and are of huge importance during other port operations. At the same time, optimizing the number of port tugs and tug bollard pull is also important from a port navigational safety and economic point of view. Calculation and evaluation methods of the optimal request for tugs bollard pull, in particular, port operations, are very important in order to guarantee the navigational safety of the port and ships during the main ship operations in the port. This article provides the number of requested port tugs and bollard pull calculation and evaluation methods on the basis of forces and moments acting on ships. On the basis of real ship voyages and manoeuvring at ports data as well as high accuracy simulators, theoretical methods were used, which were followed by our conclusions and recommendations, which can be used by port harbour masters and tug companies. Modern tugs have become an important element and integral part of modern port navigational safety. Such modern port tugs are also used for navigational safety and other important port functions and activities, such as fire protection and search and rescue operations. The optimal number and capacity evaluation of port tugs depending on port capacity and conditions are studied in this article. View Full-Text
Keywords: tugs; ship manoeuvring in ports; parametric optimization; ship mooring operations; optimal number of tugs and bollard pull; ship propulsion tugs; ship manoeuvring in ports; parametric optimization; ship mooring operations; optimal number of tugs and bollard pull; ship propulsion
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MDPI and ACS Style

Paulauskas, V.; Simutis, M.; Plačiene, B.; Barzdžiukas, R.; Jonkus, M.; Paulauskas, D. The Influence of Port Tugs on Improving the Navigational Safety of the Port. J. Mar. Sci. Eng. 2021, 9, 342. https://doi.org/10.3390/jmse9030342

AMA Style

Paulauskas V, Simutis M, Plačiene B, Barzdžiukas R, Jonkus M, Paulauskas D. The Influence of Port Tugs on Improving the Navigational Safety of the Port. Journal of Marine Science and Engineering. 2021; 9(3):342. https://doi.org/10.3390/jmse9030342

Chicago/Turabian Style

Paulauskas, Vytautas, Martynas Simutis, Birute Plačiene, Raimondas Barzdžiukas, Martynas Jonkus, and Donatas Paulauskas. 2021. "The Influence of Port Tugs on Improving the Navigational Safety of the Port" Journal of Marine Science and Engineering 9, no. 3: 342. https://doi.org/10.3390/jmse9030342

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