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Journal articles on the topic 'Icebreaking capability'

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1

Zhou, Li, Feng Diao, Ming Song, Yue Han, and Shifeng Ding. "Calculation Methods of Icebreaking Capability for a Double-Acting Polar Ship." Journal of Marine Science and Engineering 8, no. 3 (2020): 179. http://dx.doi.org/10.3390/jmse8030179.

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As a key parameter, icebreaking capability is often used to judge whether a polar ship could navigate in level ice at a certain speed. This paper presents two methods to calculate icebreaking capability. The first one is a static method based on the estimation of ice resistance under different ice thicknesses and ship speeds. The second is a dynamic method that involves solving the equation of motion. A series of model tests with a double-acting icebreaking tanker were also carried out in the ice basin of the Krylov State Research Center to measure ice resistances. The simulated ice resistance
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2

Schwarz, J. "Some Latest Developments in Icebreaker Technology." Journal of Energy Resources Technology 108, no. 2 (1986): 161–67. http://dx.doi.org/10.1115/1.3231256.

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Icebreaking technology has been improved over the last 10–15 yr so that the installed power of icebreaking ships could be drastically reduced. The improvement is demonstrated on four examples of icebreaking ships, one conventional and three advanced concepts, which have shown their icebreaking ability already in full scale. The icebreaking capability of ships is suggested to be evaluated through model tests, theoretical approach and by full-scale measurements. The evaluation should be carried out for various ice conditions by resistance and self-propulsion tests. Finally, some thoughts are pre
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3

Gang, Xuhao, Yukui Tian, Chaoge Yu, Ying Kou, and Weihang Zhao. "Experimental Investigation on IceBreaking Resistance and Ice Load Distribution for Comparison of Icebreaker Bows." Journal of Marine Science and Engineering 13, no. 6 (2025): 1190. https://doi.org/10.3390/jmse13061190.

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During icebreaker navigation in ice-covered waters, icebreaking resistance and dynamic ice loads acting on the bow critically determine the vessel’s icebreaking performance. Quantitative characterization of the icebreaking resistance behavior and ice load distribution on the bow is essential for elucidating ship-ice interaction mechanisms, assessing icebreaking capability, and optimizing structural design. This study conducted comparative icebreaking tests on two icebreaker bow models with distinct geometries in the small ice model basin of China Ship Scientific Research Center (CSSRC SIMB). S
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4

Ko, Donghyeong, Kyung-Duk Park, and Kyoungsoo Ahn. "Time domain simulation for icebreaking and turning capability of bow-first icebreaking models in level ice." International Journal of Naval Architecture and Ocean Engineering 8, no. 3 (2016): 228–34. http://dx.doi.org/10.1016/j.ijnaoe.2016.02.004.

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5

Goldstein, R. V., and N. M. Osipenko. "Fracture Mechanics in Modeling of Icebreaking Capability of Ships." Journal of Cold Regions Engineering 7, no. 2 (1993): 33–44. http://dx.doi.org/10.1061/(asce)0887-381x(1993)7:2(33).

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6

Kulkarni, Ketki, Pentti Kujala, Mashrura Musharraf, and Ilari Rainio. "Simulation Tool for Winter Navigation Decision Support in the Baltic Sea." Applied Sciences 12, no. 15 (2022): 7568. http://dx.doi.org/10.3390/app12157568.

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This article presents a novel simulation tool for the analysis of winter navigation operations in the Baltic Sea in the context of the Finnish–Swedish Winter Navigation System (FSWNS). The aim of the tool is to simulate the performance of the FSWNS under various potential future operating scenarios and thereby support decision making in matters affecting the operation and development of the FSWNS, for instance, in terms of icebreaking resources and ice class regulations. To this end, the tool considers key performance factors and characteristics of the FSWNS, such as the prevailing ice conditi
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7

Abramov, Aleksei, and Mikhail Zagorodnikov. "Organization of Icebreaking Conducting of Transport Courts." Administrative Consulting, no. 10 (June 7, 2017): 111–17. https://doi.org/10.22394/1726-1139-2017-10-111-117.

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8

Hinchey, M. J. "Propagation of a Hovercraft Air Cavity Under a Floating Ice Sheet." Journal of Offshore Mechanics and Arctic Engineering 111, no. 2 (1989): 149–54. http://dx.doi.org/10.1115/1.3257089.

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An ACIB is an air cushion device being developed in Canada for icebreaking purposes. When mated with the bow of a tugboat, the ACIB currently operational can break ice sheets about 1 m thick. During ACIB operations, the water surface directly beneath the craft is sometimes depressed below the lower edge of the ice sheet, and an air cavity is formed under the sheet. This air cavity is known to have a significant effect on the icebreaking capability of the ACIB. In a study for Transport Canada, DeHavilland Aircraft of Canada used underwater explosion theory to model its propagation. This paper s
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9

Zagorodnikov, Mikhail. "Icebreaking Ensuring Year-Round Regular Navigation on Routes of the Northen Sea Route." Administrative Consulting, no. 9 (June 7, 2017): 149–56. https://doi.org/10.22394/1726-1139-2017-9-149-156.

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For ensuring year-roundregular navigation on routes NSR innovative ice breakers with the increased icebreaking capability and speed of the movement in an ice field of a certain thickness are under construction and designed. The increase in functional characteristics of ice breakers led to increase of cost of their construction. In article the method of distribution of ice breakers on routes NSR allowing with maximum to use efficiency their functional characteristics is considered.
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10

Barr, William. "Shturman Albanov: a new Russian icebreaking tanker." Polar Record 53, no. 1 (2016): 100–101. http://dx.doi.org/10.1017/s0032247416000590.

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On 26 October 2015 the keel was laid for a remarkable new tanker at the Samsung Heavy Industries Shipyard, in Geoje, South Korea, the order having been placed by Sovcomflot, which operates the largest tanker fleet in Russia (Unicom Management Services (Cyprus) Ltd. 2015). The vessel was launched on 20 February 1916 and was named Shturman Albanov (Fig. 1). It is a shallow-draft icebreaking tanker of 42000 dwt (Unicom Management Services (Cyprus) Ltd. 2016) with a length of 249 m and the unusually large breadth for its tonnage, of 34 m, and a loaded draft of 9.5 m. Its ice-class is Arc7. Propell
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11

Li, Hui, Yan Feng, Muk Chen Ong, Xin Zhao, and Li Zhou. "An Approach to Determine Optimal Bow Configuration of Polar Ships under Combined Ice and Calm-Water Conditions." Journal of Marine Science and Engineering 9, no. 6 (2021): 680. http://dx.doi.org/10.3390/jmse9060680.

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Selecting an optimal bow configuration is critical to the preliminary design of polar ships. This paper proposes an approach to determine the optimal bow of polar ships based on present numerical simulation and available published experimental studies. Unlike conventional methods, the present approach integrates both ice resistance and calm-water resistance with the navigating time. A numerical simulation method of an icebreaking vessel going straight ahead in level ice is developed using SPH (smoothed particle hydrodynamics) numerical technique of LS-DYNA. The present numerical results for th
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12

Kendrick, A., and J. Carter. "CCGS Louis S. St. Laurent Mid-Life Modernization Design Studies." Marine Technology and SNAME News 25, no. 02 (1988): 129–35. http://dx.doi.org/10.5957/mt1.1988.25.2.129.

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The CCGS Louis S. St. Laurent has been in service since 1969, and is the largest and most powerful unit in the Canadian Coast Guard fleet. She is now approaching a major mid-life modernization, intended to give her at least a further 15 years' useful life. This modernization will provide the opportunity to greatly improve the performance of the ship, notably its icebreaking capability and its fuel economy, by applying technology and knowledge developed in the 20 years since the ship was designed. This paper describes the series of studies, tests, and trials commissioned by the Coast Guard to d
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13

Zhukov, Vladimir A., Evgenij A. Stepanov, and Valentin L. Erofeev. "ANTI-ICING DEVICE OF AN ICEBREAKER AS A MEANS OF INCREASING THE SHIP ENERGY EFFICIENCY." Vestnik Gosudarstvennogo universiteta morskogo i rechnogo flota imeni admirala S. O. Makarova 14, no. 3 (2022): 430–39. http://dx.doi.org/10.21821/2309-5180-2022-14-3-430-439.

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An overview of using pneumatic pressurization systems of icebreaker hulls in order to increase their icebreaking capability and a description of traditional design solutions in the design of systems are presented in the paper. It is noted that the design of systems is based on the methods of analogy and similarity, taking into account the results of field tests. Theoretical methods of taking into account the design features of the icebreaker hull and the technical characteristics of its power plant when determining the required air supply, its parameters, and outlets location are currently ins
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14

Berkson, Jonathan M., and George W. DuPree. "United States Arctic Research Vessels." Marine Technology Society Journal 35, no. 3 (2001): 31–37. http://dx.doi.org/10.4031/002533201788057882.

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Recent concerns with pollution and climate change in the Arctic have led to new monitoring and research programs that require the support of arctic research vessels. This paper reviews the status of U.S. surface and submersible research platforms with a focus on surface ships. During the Science Ice Expedition (SCICEX) program in the 1990s, U.S. Navy submarines were successfully used as research vessels and extensive oceanographic data were collected during under-ice transits. With the decommissioning of the Sturgeon-class submarines, future under-ice research cruises are uncertain and will de
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15

Miles, Chris. "PREPARING FOR FIRST OIL." International Oil Spill Conference Proceedings 2008, no. 1 (2008): 201–2. http://dx.doi.org/10.7901/2169-3358-2008-1-201.

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ABSTRACT In this paper the author draws from experience gained at the new ENL (ExxonNefigas) Export Terminal at DeKastri in the Russian Federation. The Terminal received first oil in late September 2006, to export through 5 new build tankers loading at the new Single Point Mooring facility. The oil is produced to the east of Sakhalin, and is pumped via the Chaivo Terminal across Sakhalin Island and the Tartar Straights to mainland Russia. Once ashore the pipe route turns south to DeKastri, a total run of approximately 230 kilometres. The main task set was to prepare for and conduct a Tier 1 Dr
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16

Aliyev, Nurlan. "Russia’s Arctic icebreaking capability: an assessment." Defense & Security Analysis, July 23, 2024, 1–25. http://dx.doi.org/10.1080/14751798.2024.2365542.

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17

ZINEVICH, ANDREY, and MAKSIM KITAEV. "The comparative analysis of the methods of calculating the icebreaking capability of icebreakers." June 19, 2017. https://doi.org/10.5281/zenodo.807783.

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When designing icebreakers and ice ships, the most important is their icebreaking capability which determines the efficiency of each individual vessel. Nowadays, there are many empirical approaches enabling one to carry out a numerical assessment of the performance characteristics of icebreakers in solid ice. Those approaches differ by the amount of parameters of the shape of the vessel’s hull and by the reliability of the obtained results. The article presents the results of the comparative analysis of the existing methods of calculating the resistance of the motion of the ship in solid ice.
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18

Zhou, Yi, Kayvan Pazouki, and Rosemary Norman. "The Modeling and Optimal Control of a Hybrid Propulsion System for an Ice-Capable Tanker." Journal of Ship Research, October 11, 2021, 1–19. http://dx.doi.org/10.5957/josr.11200059.

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Abstract With the effects of global warming, the North Sea Route has become an economic option for cargo transportation because of the shorter distance between East Asia and Europe. Generally, conventional mechanical propulsion systems installed in ice-capable tankers suffer from significant drawbacks because of poor fuel efficiency when sailing at low speed, therefore, advanced technologies have been applied such as diesel electric and nuclear-powered propulsion; however, drawbacks still exist. Hybrid propulsion is a more environmental-friendly, economical solution for ships with icebreaking
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