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Keywords: level ice
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Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, November 5–7, 2018
Paper Number: OTC-29152-MS
... vessels to electric transmission azimuth drives. Figure 4 Converted Lunni and Uikku At first MT Uikku was converted and the full-scale tests were carried out in level ice in the Northern Baltic Sea in 1994. The tests /4/ showed quite interesting results. MT Uikku was able to proceed running astern...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, November 5–7, 2018
Paper Number: OTC-29119-MS
... load distribution propulsor marine transportation design load azipod unit ice trial icebreaker polaris ice condition polaris propulsion system ship icebreaker ice load measurement system bearing operation ib polaris offshore technology conference level ice ice load...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, November 5–7, 2018
Paper Number: OTC-29106-MS
... sheet propulsion test torque open water test level ice drillstring design flexural strength resistance ice piece overload open water test us government propeller-ice interaction icebreaker Wang , J. , Millan , J. and McGreer , D. , " Model Tests of the New Canadian...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, November 5–7, 2018
Paper Number: OTC-29113-MS
... to 1.5 meters of level ice. Results of the performed tests demonstrated the Vessels design exceed the minimum required performance. Furthermore, in close cooperation with DNV-GL the Vessels obtained Polar Class 3 (PC-3) approval. In addition, two special studies were done by DNV-GL and the CNIIMF to...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, November 5–7, 2018
Paper Number: OTC-29107-MS
... Abstract Wind turbine towers are being planned in ice covered regions subject to pressure ridges (e.g. the Great Lakes). Conical collars are often employed to reduce ice loads from level ice and their associated dynamics. For level ice, downward breaking cones have some advantages. It is not...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, November 5–7, 2018
Paper Number: OTC-29155-MS
... full scale data will improve the understanding of the transferability from model to full scale data. level ice resistance model test flexural strength full scale trial time series inertia ice trial prediction interaction technology conference marine transportation strength ice...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, November 5–7, 2018
Paper Number: OTC-29176-MS
... Abstract Numerous field studies show that mature first-year (FY) ridges consist of a solid ice consolidated layer (CL) below which is a keel of ice rubble. The CL is generally thicker than the ambient level ice. With the decrease in multi-year ice in the Arctic, FY ridges may become the...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, November 5–7, 2018
Paper Number: OTC-29179-MS
...OTC-29179-MS Level Ice Clearing in Model and Full Scale Using Azimuthing Propulsion Ghalib Humayun Taimuri and Pentti Kujala, Aalto University; Topi Leiviskä, Aker Arctic; Pirjo Määttänen, ABB Copyright 2018, Offshore Technology Conference This paper was prepared for presentation at the Arctic...
Proceedings Papers

Paper presented at the Arctic Technology Conference, October 24–26, 2016
Paper Number: OTC-27364-MS
... Abstract Multi-year (MY) ridge and level ice interactions with sloping and conical structures involve complex ice feature shapes and ice failure mechanisms. The limited available field data makes calibration of associated load models difficult. To account for associated randomness and...
Proceedings Papers

Paper presented at the Arctic Technology Conference, October 24–26, 2016
Paper Number: OTC-27486-MS
... mission azimuth thruster ice trial science operation scientist ice condition full scale trial operational capability level ice deployment research vessel thruster floe operation icebreaker University-National Oceanographic Laboratory System (UNOLS) Website - https://www.unols.org...
Proceedings Papers

Paper presented at the Arctic Technology Conference, October 24–26, 2016
Paper Number: OTC-27483-MS
... thus seen to hold potential for a number of missions such as escort and port icebreaking and in offshore projects. thickness ice condition renewable energy lng midstream oil & gas full-scale ice trial performance trial baltika level ice gulf oblique icebreaker concept ocean energy...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, March 23–25, 2015
Paper Number: OTC-25532-MS
... and propulsion development are discussed. icebreaker manhattan propulsion tanker variation subsea system hull form laboratory level ice bow form technology conference mt manhattan wilkman upstream oil & gas operation test result model test risk management ship resistance...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, March 23–25, 2015
Paper Number: OTC-25520-MS
... objective of this paper is to present the analytical model components and their implementation in SILS, and to demonstrate the influence of the changes by means of a scenario wherein a vertical sided structure encounters multi-year level ice and ridges. modification interaction level ice thickness...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, February 10–12, 2014
Paper Number: OTC-24582-MS
... 19906 code and specialist ice load advice (Ken Croasdale) where necessary. The CPM has been shown to be feasible in the Alaskan Sea for the two ice conditions considered, 6m thick level ice and a very rare 25m thick ice island event. The ice island event represents a very conservative scenario and...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, February 10–12, 2014
Paper Number: OTC-24565-MS
... conducted numerous model test programs with fixed and moored floating structures to support the design with respect to the operability in various ice conditions (i.e. level ice, pressure ice ridges, ice floes, ice rubble fields and managed ice). The choice of a proper scale plays an important role, because...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, February 10–12, 2014
Paper Number: OTC-24579-MS
... ice transport level ice subsurface rubble ice basin test numerical model ice load arctic offshore structure upstream oil & gas numerical simulation offshore technology conference moored structure rubble depth international conference subsea system arctic condition mooring...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, February 10–12, 2014
Paper Number: OTC-24633-MS
... melted between mid April and early May in average. Number of ice days in Eastern part of Gulf of Finland varies from mild winter of 60 days to severe winter of 150 days. Average number of ice days is 120 per year. A maximum yearly level ice thickness during average year is 50 cm and extreme year 90 cm...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, February 10–12, 2014
Paper Number: OTC-24652-MS
... operational matters. international conference arctic engineering simulation numerical simulation basin test jochmann metrikin kerkeni otc 24652 level ice dynamic positioning setup ice condition carriage offshore main carriage haase ocean upstream oil & gas OTC 24652 DYPIC...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, February 10–12, 2014
Paper Number: OTC-24634-MS
... performance of a vessel which means that in the shipbuilding contract there is the clause containing for instance the icebreaking capability of the vessel. In uniform level ice it could be a speed and ice thickness. During the last 40 + years the full-scale onboard vessel tests by Aker Arctic and its...
Proceedings Papers

Paper presented at the OTC Arctic Technology Conference, February 10–12, 2014
Paper Number: OTC-24642-MS
... interactions. Introducing a GPU platform enables a substantial increase in the number of elements characterized so that the interaction of multi-legs and ice can be modeled with greater efficiency. For example, level ice modeled with 3-D bonded spherical elements can address the buoyancy, current effects and...

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