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*Department of Ocean Engineering, Korea Maritime University, Bu san, KoreaKEY WORDS: Icebreaking research vessel ARAON  , Arctic voyage  , Material properties of sea ice  , Thickness of ice  , Temperature , Density , Salinity ABSTRACT: A field trial in an ice-covered sea is one of the most importan t tasks in the design of icebreaking ships and offshore structu res. To correctly estimate the ice load and ice resistance of a ship's hull, it is essential to understand the material properties of sea ice during ice field trials and to use the proper experimental procedure for gathering effe ctive ice data. The first Korean-made icebreaking research vess el, “ARAON,” had her second sea ice trial in the Arctic Ocean during the summer seas on of 2010. This paper describes the test procedures used to ob tain proper sea ice data, which provides the basic information for the ship's perfo rmance in an ice-covered sea and is used to estimate the correc t ice load and ice resistance of the IBRV ARAON. The data gathered from the sea ic e in the Chukchi Sea and Beaufort Sea during the Arctic voyage of the ARAON includes the temperature, density, and salinity of the sea ice, which was believed to be from two-year old ice floes. This paper analyses the gathered sea ice data in comparison with data from the first voyage of t he ARAON during her Antarctic Sea ice trial. :    1, 051-410-4324, kchoi@hhu.ac.kr   2010  ( , 2010).

han'gug haeyang gonghag hoeji/han-guk haeyang gonghak hoeji

Material Properties of Arctic Sea Ice during 2010 Arctic Voyage of Icebreaking Research Vessel ARAON: Part 1 - Sea Ice Thickness, Temperature, Salinity, and Density -