Abstract
A speed sea trial was performed in the Amundsen Sea in February and March of 2012. The Korean ice breaking research vessel “Araon” was used to check speed performance on the big floes. Two of ice trial cases were carried out. We describe the time history of location, the engine power, and the revolutions per minute during the ice trial, and the trajectory of the ship. Additionally, the measured ice properties are considered and discussed. The ice trial results were analyzed according to variation in ice thicknesses, ice strength, propulsion power, and the speed level of the ship. Our analysis results are compared to model test results and ice trial results. A correction to the target ice thickness was used to compare the power and speed relation in the same ice thickness because it is easy to know the relative speed performance of the ship. The Hamburgische Schiffbau-Versuchs Anstalt method was applied for the correction. The speed of Araon in big floes was higher than the speed in level ice. The speed after the correction at 10 MW of power and 103 cm of ice thickness was 5.4 knots based on analysis results.
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Acknowledgments
This paper is part of “Development of the Safe Operation Methodology of Ice-class Vessel at Arctic Sea Route and the Cryogenic Evaluation Techniques for the Ice Performance,” Grant No. 10033640, supported by the Ministry of Knowledge and Economy of the Korean government and National Research Foundation of Korea (NRF) grant funded by the Korean government (MEST) through GCRC-SOP No. 2011-0030660. Financial support was also provided through the Industrial Strategic Technology Development Program (Grant No. PNS133B). The authors gratefully acknowledge this support.
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Kim, H.S., Kim, M.C., Choi, K.S. et al. Full scale ice sea trials of Korean ice breaking research vessel ‘Araon’ on the big floes near Antarctica. J Mar Sci Technol 18, 515–523 (2013). https://doi.org/10.1007/s00773-013-0223-4
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DOI: https://doi.org/10.1007/s00773-013-0223-4