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      Insight into tribological problems of green ship and corresponding research progresses


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          The so-called “green ship” is being regarded as a potential solution to the problems that the shipping industry faces, such as energy conservation and environmental protection. Some new features, such as integrated renewable energy application, biomimetic materials, and antifriction and wear resistant coating have been accepted as the typical characteristics of a green ship, but the tribology problems involved in these domains have not been precisely redefined yet. Further, the related research work is generally focused on the technology or material itself, but not on the integration of the applicable object or green ship, marine environment, and tribological systematical analysis from the viewpoint of the energy efficiency design index (EEDI) and ship energy efficiency management plan (SEEMP) improvements. Aiming at the tribology problems of the green ship, this paper reviews the research status of this issue from three specific domains, which are the tribology problems of the renewable energy system, tribological research for hull resistance reduction, and energy efficiency enhancement. Some typical tribological problems in the sail-auxiliary system are discussed, along with the solar photovoltaic system and hull drag reduction in traditional marine mechanical equipment. Correspondingly, four domains that should be further considered for the future development target of the green ship are prospected.

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          Most cited references28

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          Measurements of local skin friction in a microbubble-modified turbulent boundary layer

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              Reduction of turbulent skin friction by microbubbles


                Author and article information

                Tsinghua Science and Technology
                Tsinghua University Press (Xueyuan Building, Tsinghua University, Beijing 100084, China )
                05 December 2018
                : 06
                : 04
                : 472-483 (pp. )
                [ 1 ] School of Energy and Power Engineering, Wuhan University of Technology, Wuhan 430063, China
                [ 2 ] Reliability Engineering Institute, National Engineering Research Center for Water Transport Safety (WTS Center), MoST, Wuhan University of Technology, Wuhan 430063, China
                [ 3 ] Key Laboratory of Marine Power Engineering and Technology, MoT, Wuhan University of Technology, Wuhan 430063, China
                Author notes
                * Corresponding author: Xinping YAN, E-mail: xpyan@ 123456whut.edu.cn

                Yuwei SUN. He received the Ph.D. degree in 2013 from Wuhan University of Technology, and then joined the Reliability Engineering Institute of National Engineering Research Center for Water Transport Safety in WUT. He is currently an associate professor and master’s supervisor in School of Energy and Power Engineering. His research interests include renewable energy technologies applied in green ship and the characterization of green materials for various applications.

                Xinping YAN. He received his B.E. and M.E degrees from Wuhan Institute of Water Transportation Engineering in 1982 and 1987, respectively, and got his PhD degree from Xi’an Jiaotong University in 1997. Currently, he is the chair professor and the director of National Engineering Research Center for Water Transport Safety in WUT. He has been engaged in the research of tribological system engineering, condition monitoring, and fault diagnosis of mechanical wear failure, and ship intelligence and reliability.


                This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

                Page count
                Figures: 14, Tables: 0, References: 37, Pages: 12
                Short Communication

                Materials technology,Materials properties,Thin films & surfaces,Mechanical engineering
                green ship,biomimetic material,ship drag reduction,tribology,renewable energy


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