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Jiayu Huang, Feng Diao, Shifeng Ding, Sen Han, Pentti Kujala and Li Zhou
In previous studies of ship?ice interactions, most studies focused on ship?level ice interactions, overlooking potential rafted ice conditions in extreme ice conditions. The purpose of this study is to develop a numerical model for predicting ship resist...
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Weidong Zhao, Bernt Johan Leira, Knut Vilhelm Høyland, Ekaterina Kim, Guoqing Feng and Huilong Ren
This paper presents a framework for structural analysis of icebreakers during ramming of first-year ice ridges. The framework links the ice-ridge load and the structural analysis based on the physical characteristics of ship?ice-ridge interactions. A shi...
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Haisu Sun, Xuan Ni, Yuxin Zhang, Kang Chen and Baoyu Ni
Ship resistance increases significantly when navigating a brash ice channel. In this study, the numerical method is applied to predict the full-scale ship resistance of bulk carriers in brash ice channels. The viscous flow computational fluid dynamics (C...
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Vadim K. Goncharov
This article contains the analytical model of the drift of a separate ice field under the action of wind and current, in which velocities and directions can vary over time. The model takes into account the mass of ice, added mass of seawater, and the eff...
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Zhongyu Chen, Weidong Zhao, Zhanyang Chen, Guoqing Feng, Huilong Ren and Hongbin Gui
To address global challenges, research on the safety of polar navigation is indispensable. However, most of studies focus on traditional surface vessels, with few research studies on submarine. The dynamic response of submarine during surface navigation ...
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Yukui Tian, Dongbao Yang, Xuhao Gang, Chaoge Yu, Shunying Ji and Qianjin Yue
The determination of ice loads on polar vessels and offshore structures is important for ice-resistant design, safe operation, and management of structural integrity in ice-infested waters. Physical model testing carried out in an ice tank/basin is usual...
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Yaxian Hu, Xianwen Li, Simin Jiang, Junying Chen and Baowen Yan
Freeze?thaw has been proved to be a simple, cost-effective, and highly efficient manner to purify wastewater. However, it remains unclear how microbial compositions and functions in meltwater differentiate over progressive thawing and how such difference...
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Bao-Yu Ni, Hongyu Wei, Zhiyuan Li, Bin Fang and Yanzhuo Xue
Ships sailing through cold regions frequently encounter floe ice fields. An air-bubble system that reduces friction between the hull and ice floes is thus considered useful for the reduction of ice-induced resistance. In this study, a numerical analysis ...
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José Enrique Gutiérrez-Romero, Samuel Ruiz-Capel, Jerónimo Esteve-Pérez, Blas Zamora-Parra and Juan Pedro Luna-Abad
The real resistance that a ship must face when it is navigating in ice floes is the key factor for knowing the necessary power and the required engine size. The aim of this work is to provide valuable data to help other research in which numerical framew...
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Fang Li and Luofeng Huang
Apart from breaking level ice, polar ships can interact with broken ice in various scenarios. In recent years, computational simulation models have increasingly been used for the evaluation of ship operability under broken ice conditions, presenting some...
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