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모형빙 생성 시 승온 시간에 따른 모형빙의 강도 특성 연구

A Study on the Strength Characteristics of Model Ice for Warm-up Time during Model Ice Preparation

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참고문헌

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주제분류조선공학

초록

Understanding the strength characteristics of model ice is an important issue for model testing in an ice model basin to estimate the ship performance in ice. In particular, the mechanical properties of the model ice including elastic modulus, flexural strength and compressive strength are key consideration factors. In order to understand the characteristics of the model ice during warm-up phase at KRISO’s ice model basin, the strength properties are tested in this study. The infinite plate-bending method, in-situ cantilever beam test and ex-situ uniaxial compressive test are conducted to determine the strength properties of model ice. The strength characteristics of the model ice are then analyzed in terms of the warm-up phase and seasonality. These results could be valuable to quality control of the model ice characteristics in KRISO’s ice model basin and to better understand the variations in strength properties during the ice model tests.

Abstract

Understanding the strength characteristics of model ice is an important issue for model testing in an ice model basin to estimate the ship performance in ice. In particular, the mechanical properties of the model ice including elastic modulus, flexural strength and compressive strength are key consideration factors. In order to understand the characteristics of the model ice during warm-up phase at KRISO’s ice model basin, the strength properties are tested in this study. The infinite plate-bending method, in-situ cantilever beam test and ex-situ uniaxial compressive test are conducted to determine the strength properties of model ice. The strength characteristics of the model ice are then analyzed in terms of the warm-up phase and seasonality. These results could be valuable to quality control of the model ice characteristics in KRISO’s ice model basin and to better understand the variations in strength properties during the ice model tests.

참고문헌 (13)

  1. General guidance and introduction to ice model testing, "International Towing Tank Committee(ITTC)", ~, pp.Technical Report No. 7.5-02-04-01 (2017)
  2. Testing and extrapolation methods ice testing resistance in level ice, "International Towing Tank Committee(ITTC)", ~, pp.Technical Report No. 7.5-02-04-02 (2014)
  3. Jeong, S. Y., "Implementation of ship performance test in brash ice channel", Ocean Engineering, 140, pp.57~65 (2017)
  4. 정성엽, "Prediction of ship resistance in level ice based on empirical approach", International Journal of Naval Architecture and Ocean Engineering, 9(6), pp.613~623 (2017), 대한조선학회
  5. Jeong, S. Y., "Ice resistance prediction method based on icebreaking pattern and ice hull contact conditions", Ph.D., pp.2016
  6. Kato, K., "The specialist committee in ice, final report and recommendations to the 22nd ittc", Proceeding of the 22nd International Towing Tank Conference (ITTC), pp.349~373 (1999)
  7. Riska, K., "Assessment of ice model testing techniques", proceedings of Ships and Marine Structures in Cold Regions (ICETECH) (1994)
  8. Schulson, M. E., "Brittle failure of ice", Journal of Engineering Fracture Mechanics, 68, pp.1839~1887 (2001)
  9. Sohdi, D. S., "Determining the characteristic length of model ice sheets", Cold Regions Science and Technology, 6, pp.99~104 (1982)
  10. Su, B., "A numerical method for the prediction of ship performance in level ice", Cold Regions Science and Technology, 60(3), pp.177~188 (2010)
  11. Tan, X., "A six-degrees-offreedom numerical model for level ice–ship interaction", Cold Regions Science and Technology, 92, pp.1~16 (2013)
  12. "A state-of-the-art review on ice modeling methodologies employed in refrigerated ice tanks" (2007)[URL]
  13. Zhou, Q., "Numerical investigations of ship–ice interaction and maneuvering performance in level ice", Cold Regions Science and Technology, 122, pp.36~49 (2016)

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