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경험식을 이용한 유빙 얼음에서의 도달 속도 추정An Estimation of Attainable Speed in Brash Ice using Empirical Formula

Other Titles
An Estimation of Attainable Speed in Brash Ice using Empirical Formula
Authors
김현수한동화이재빈정성엽
Issue Date
2018
Publisher
대한조선학회
Keywords
유빙 얼음; 유빙 얼음 저항; 도달 속도; 얼음 모형 시험; Brash ice; Brash ice resistance; Attainable speed; Ice model test
Citation
대한조선학회 논문집, v.55, no.4, pp 313 - 320
Pages
8
Journal Title
대한조선학회 논문집
Volume
55
Number
4
Start Page
313
End Page
320
URI
https://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/527
DOI
10.3744/SNAK.2018.55.4.313
ISSN
1225-1143
Abstract
As ships operating on the Arctic route are exposed to various ice environments such as level ice, pre-swan, pack ice, ice ridge and brash ice, it is essential to estimate the ice resistance according to the ice environment. Methods for estimating the ice resistance include a method using mathematical model, numerical simulation, and a method using empirical formula. In this study, empirical formulas are used to estimate the ice resistance. The purpose of this study is to develop the ice resistance and attainable speed estimation program(I-RES) for brash ice. To develop the Brash ice attainable speed estimation algorithm, the environmental characteristics of the brash ice were analyzed, and the results of I-RES were evaluated by comparing the model test results of brash ice. The accuracy of I-RES for brash ice is around 20% in this study but it will be more developed near future with accumulating more model test results and calculation results.
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