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1-20 of 74
Keywords: icebreaker
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Proceedings Papers
Paper presented at the The 34th International Ocean and Polar Engineering Conference, June 16–21, 2024
Paper Number: ISOPE-I-24-300
... warming. Some analyses suggest that the Arctic could be ice-free within a few decades (Wang and Overland, 2009; Boe et al., 2009). When a ship operates in the marginal ice zone (MIZ), or sails following an icebreaker, the ship is exposed to collision from ice floes of various sizes, which slow the ship...
Proceedings Papers
Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-341
... ABSTRACT Escorting merchant ships sometimes requires icebreakers to widen channels in ice-covered waters. To better understand the icebreaker's channel widening capability, this paper presents full-scale tests of the Icebreaker (IB) Polaris in the Bay of Bothnia during 2021 and analyses...
Proceedings Papers
Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-342
... abilities. Because Air-cushion Ice-breaking/Transportation platform is carried by icebreakers, usually icebreakers have a crane, which is controlled by a crane operator to conduct launch and recovery air cushion vehicle(ACV). A payload connected to the crane hook and hanging on the cable usually is modelled...
Proceedings Papers
Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-307
... ABSTRACT The icebreaker escort operations are typical navigation models in Arctic shipping. The current studies mainly focus on analyzing and quantifying the ship navigation risk for icebreaker escort operations concerning ship-to-ship collision avoidance. However, scenarios of ship stuck...
Proceedings Papers
Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-337
... ABSTRACT Ensuring of year-round export of hydrocarbons and other cargoes through the Eastern sector of The Northern Sea Route (NSR) is one of the urgent tasks of modern Arctic shipping. The implementation of such projects necessitates using large-capacity icebreaking gas carriers (LNG...
Proceedings Papers
Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1275
... Abstract In this paper, a diesel/battery hybrid electric propulsion system (HEPS) of a polar icebreaker is proposed to achieve local low noise, and reduce fuel consumption and exhaust emission. The HEPS model is established with the inverse simulation method and the parameters are optimized...
Proceedings Papers
Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1297
... Abstract Flexural strength is the important factor for calculating the ice resistance caused by the interaction between icebreaker or icebreaking vessel and level ice. But the influence of flexural strength on ice resistance is often ignored in the numerical simulation by commercial software...
Proceedings Papers
Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1269
... regions by large tankers. The use of azimuth thrusters on ice ships and icebreakers significantly determines their operational efficiency and design solutions for the structure of the transport system (type and number of ships and icebreakers) and organization of its work. As an example, Yamal-1 project...
Proceedings Papers
Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1262
... haven satellite communication harbor icebreaker transport route arctic ice cover requirement oil spill contingency planning ice class mitigating measure university solberg northern sea route arctic transportation ice cover Challenges and Opportunities for Arctic Transportation caused...
Proceedings Papers
Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1221
... the specific resistance value. The numerical simulation method can reflect the damage and deformation of ice and the change of resistance in the middle of the ship at any time. It is an important means to study the ice interaction of ships. ship mass force hull icebreaker ice particle resistance...
Proceedings Papers
Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1271
... ABSTRACT In the study presented in this paper, the problem of quantifying the performance of icebreaker operations within ice management (IM) has been targeted, using the capabilities of high-fidelity simulations by a discrete element simulation model. An accurate geometric and dynamic model...
Proceedings Papers
Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1239
... ABSTRACT This paper describes the hull form optimization method of an icebreaker. The objective function is resistance in ice which is calculated by ICHM (Ice-Covered Hull Model) we developed. A genetic algorithm is adopted as the numerical optimizer. We optimize a hull form which has the same...
Proceedings Papers
Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1240
... ABSTRACT As an indispensable tool for polar resource development, the research on the seakeeping performance of icebreakers becomes more necessary. This article takes the 153-meter icebreaker as the research object. The motion response of the icebreaker is calculated using Maxsurf software...
Proceedings Papers
Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-291
.... INTRODUCTION For typical icebreaker shaped vessels with an inclined bow and low flare angles the major components of the hull-ice interaction process are quite well understood. Analytical methods exist to predict the average resistance based on few inputs for the hull shape characteristic and ice properties...
Proceedings Papers
Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-306
... designed icebreaker in the Ice Engineering Laboratory of Tianjin University. It is found that the presence of snow cover influences the ice cusp pattern and increases the ice resistance. The measured results are compared with the experimental estimation of Lindqvist method. Some important discussions...
Proceedings Papers
Victor N. Smirnov, Sergey M. Kovalev, Alexey V. Chernov, Alexey A. Nubom, Nikolay V. Kolabutin, Egor V. Shimanchuk, Konstantin A. Kornishin, Yaroslav O. Efimov, Petr A. Tarasov
Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-346
... capacity. During expeditions for ice mechanics study organized in the Kara and Laptev seas in 2014–2015 two types of large-scale experiments were carried out in order to estimate the atomic icebreaker "Yamal" (Russia) breaking effect on ice formations and to evaluate the integral physical and mechanical...
Proceedings Papers
Yaroslav O. Efimov, Konstantin A. Kornishin, Oleg Ya. Sochnev, Yury P. Gudoshnikov, Alexander V. Nesterov, Ivan A. Svistunov, Polina V. Maksimova, Igor V. Buzin
Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-328
... ABSTRACT The paper presents results of experimental iceberg towing operations performed in ice fields during the early stages of ice formation. Experiments were conducted in October 2017 in the area of Franz Josef Land with the diesel icebreaker "Novorossiysk" as a part of the "Kara-Summer...
Proceedings Papers
Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-175
.... midstream oil & gas liquefaction plant liquified natural gas construction quay ice management operation gas monetization ice condition sabetta ship condensate module carrier brash ice lng carrier icebreaker freight & logistics services lng project access channel jetty port...
Proceedings Papers
Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-591
... ABSTRACT When an icebreaker navigates the Arctic sea route, the sea ice is broken by the icebreaker weight. Broken pieces of ice tend to turn towards the hull and the thickness of turning ice is frequently observed. By applying the image processing technique to the recorded scenes...
Proceedings Papers
Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-732
... and an explanation of some of the key features and characteristics of the vessels at the same time as outlining some of the technical designs used by ice going ships and icebreakers. It introduces the provisions and measures that have been utilised to manage the exposure to sea ice and design adaptations to reduce...
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