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Branch-pipe-routing approach for ships using improved genetic algorithm

Haiteng SUI,Wentie NIU

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 3,   Pages 316-323 doi: 10.1007/s11465-016-0384-z

Abstract:

Branch-pipe routing plays fundamental and critical roles in ship-pipe design. The branch-pipe-routing problem is a complex combinatorial optimization problem and is thus difficult to solve when depending only on human experts. A modified genetic-algorithm-based approach is proposed in this paper to solve this problem. The simplified layout space is first divided into three-dimensional (3D) grids to build its mathematical model. Branch pipes in layout space are regarded as a combination of several two-point pipes, and the pipe route between two connection points is generated using an improved maze algorithm. The coding of branch pipes is then defined, and the genetic operators are devised, especially the complete crossover strategy that greatly accelerates the convergence speed. Finally, simulation tests demonstrate the performance of proposed method.

Keywords: branch pipe     ship industry     piping system     optimization algorithm    

Analytical method of capsizing probability in the time domain for ships in the random beam seas

LIU Liqin, TANG Yougang, LI Hongxia

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 3,   Pages 361-366 doi: 10.1007/s11709-007-0048-5

Abstract: The methods for constructing safe basins of ships and predicting their survival probability in randomThe nonlinear differential equation of the rolling motion of ships in random beam seas was establishedapplying the harmonic acceleration method and by synthetically considering the instantaneous state of shipsbrought forward, the safe basins were constructed for safe navigation, and the survival probabilities of shipsThus, the survival probabilities of ships in random seas can be predicted quantitatively by the proposed

Keywords: different     survival probability     different significant     nonlinear differential     narrowband    

Prospects and Key Points for Applying SMES to Electric Power System in Ships

Dai Taozhen,Fan Zeyang,Li Jingdong,Tang Yuejin,Cheng Shijie

Strategic Study of CAE 2002, Volume 4, Issue 6,   Pages 16-19

Abstract:

This paper introduces a series of challenges which modern power system in ships are confronted withThe author analyses the potential application in power system in ships based on the development of superconductingnew storage device and points out the key topics for application of SMES to electric power system in ships

Keywords: electric power system in ships     superconducting magnetic energy storage (SMES)     superconducting application    

Development of Hydrogen Fuel Cell Propulsion Technology for Ships

Peng Yuanting, Xu Zengshi

Strategic Study of CAE 2019, Volume 21, Issue 6,   Pages 18-21 doi: 10.15302/J-SSCAE-2019.06.003

Abstract: situation, main problems, and technological needs of the hydrogen fuel cell propulsion technology for shipsand suggestions are proposed for the development of the hydrogen fuel cell propulsion technology for ships

Keywords: high-tech ships     hydrogen fuel cell     propulsion technology    

Integrated logistics support system design for ships

Zhu Hong and Zhang Ping

Strategic Study of CAE 2015, Volume 17, Issue 5,   Pages 44-50

Abstract: system abroad, this paper presents a top design for integrate logistics support system on domestic ships

Keywords: ship     integrated logistics support system     system design     support resource    

Marine Structures: Future Trends and the Role of Universities Perspective

Preben Terndrup Pedersen

Engineering 2015, Volume 1, Issue 1,   Pages 131-138 doi: 10.15302/J-ENG-2015004

Abstract: Its main focus is on ways to improve the efficiency of energy-consuming ships, and on design challengespaper also discusses the analysis tools that are most needed to enable sustainable designs for future ships

Keywords: marine structures     ships     offshore structures     curriculum     research activities    

Innovative Development of Ammonia-Hydrogen Powered Marine Ships in China

Hu Yuzhen, Wang Min, Li Lingdong, Men Zhiguo, Zhao Xiutao, Zhu Yuanqing, Liu Long

Strategic Study of CAE 2023, Volume 25, Issue 2,   Pages 133-146 doi: 10.15302/J-SSCAE-2023.02.015

Abstract: of the shipping industry has made energy consumption and environmental problems of traditional shipsand carbon neutralization goals and the Initial IMO Strategy on Reduction of GHG Emissions from Ships, ammonia-hydrogen powered marine ships will become an important development direction for waterwayTo promote the sustainable and innovative development of ammoniahydrogen powered marine ships in;hydrogen fuel supply system and the infrastructure construction of ammonia-hydrogen powered marine ships

Keywords: ammonia-hydrogen powered marine ships     carbon peaking and carbon neutralization     ammonia reforming     ammonia    

Innovative Developmental of Hydrogen-Powered Ships in China

Tong Liang, Yuan Yupeng, Li Xiao, Yan Xinping

Strategic Study of CAE 2022, Volume 24, Issue 3,   Pages 127-139 doi: 10.15302/J-SSCAE-2022.03.014

Abstract: development of the shipping industry has made energy consumption and environmental problems of traditional shipsHydrogen-powered ships are one of the development directions for waterway transportation vehicles andTherefore, it is urgent to research the innovative developmental mode of hydrogen-powered ships in ChinaThe development status of hydrogen-powered ships is summarized in this article, and the layout of theThe technical and economic feasibility of developing hydrogen-powered ships is analyzed from the aspects

Keywords: ship     hydrogen-powered     hydrogen energy     fuel cell     internal combustion engine     hydrogen fuel supply system    

Low-Carbon Development of Green Ships and Related Strategies

Zheng Jie, Liu Cungen, Lin Zhongqin

Strategic Study of CAE 2020, Volume 22, Issue 6,   Pages 94-102 doi: 10.15302/J-SSCAE-2020.06.012

Abstract: International conventions and related documents regulating environmental pollution and reducing emissions from shipsGreen ships have become an inevitable trend for shipbuilding and shipping industries.initial International Maritime Organization strategy on reduction of greenhouse gas emissions from ships, then introduces the development status of green ships in Norway, Japan, and the United Kingdom.levels, make technical breakthroughs to accelerate the market application of alternative fuels for ships

Keywords: green ship,International Maritime Organization,carbon emission reduction,development trend    

High Temperature Superconducting Magnetic Energy Storage System Applied Into Electric Power System in Ships

Dai Taozhen,Fan Zeyang,Li Jingdong,Tang Yuejin,Cheng Shijie,Pan Yuan

Strategic Study of CAE 2004, Volume 6, Issue 1,   Pages 53-56

Abstract:

This paper outlines a systematic procedure for the design of a solenoidal coil and presents the optimum design of 1 MJ HTS magnet which is designed with Bi-2223 tape. At last the authors analyse the main magnetic component which influences the maximum critical current and discuss energy density, stray field and superconductors needed in multiple solenoid magnet with different elements.

Keywords: superconducting magnetic energy storage system (SMES)     high temperature superconductor (HTS)     design of magnet    

Intelligent Governance Mode for Shipping Safety Assurance: Taking Shanghai as an Example

Xu Liang, Xu Qing, Wang Xin’an, Wang Hongdong, Liu Xi, Zha Yiqian

Strategic Study of CAE 2023, Volume 25, Issue 6,   Pages 160-169 doi: 10.15302/J-SSCAE-2023.06.016

Abstract: It then clarifies the application directions of digital twins, big data, intelligent ships, unmannedships, Internet of ships, and other emerging intelligent technologies to shipping security assurance.

Keywords: shipping safety assurance     governance mode     big data     digital twin     intelligent ship     Internet of ships    

Development Status and Prospect of Marine Nuclear Power Equipment in China and Abroad

Zheng Jie,Yu Fan,Zhu Junmin,Liu Cungen, Wang Xinyue,Zhu Yingfu

Strategic Study of CAE 2023, Volume 25, Issue 3,   Pages 62-73 doi: 10.15302/J-SSCAE-2023.03.007

Abstract:

Marine nuclear power equipment (MNPE) is crucial for the sustainable energy supply and carbon emission reduction during deep-sea resource exploitation. However, China has not achieved breakthroughs in the field of civil MNPE, although it has a good foundation in the nuclear and marine equipment industries. Based on the research of MNPE development practices in China and abroad, this study summarizes the advantages and technical sources of MNPE, analyzes future application scenarios and development trends, clarifies the strategic demand and problems of MNPE development in China, and proposes several development suggestions. Currently, MNPE is extending from military to civil use and from land to sea, and its main technical source is compact and integrated pressurized water reactors. In the near future, the equipment types of MNPE will focus on offshore floating nuclear power plants and nuclear-powered icebreakers. To promote the high-quality development of MNPE, it is necessary to clarify the major application scenarios of MNPE in China through top-level planning, formulate regulations, specifications, and supervisory systems through demonstration projects to match with practical development demands, and achieve breakthroughs regarding key technologies such as the construction of marine reactor systems and nuclear power platform assemblies.

Keywords: marine nuclear power equipment     small modular reactors     pressurized water reactors     nuclear power ships    

Title Author Date Type Operation

Branch-pipe-routing approach for ships using improved genetic algorithm

Haiteng SUI,Wentie NIU

Journal Article

Analytical method of capsizing probability in the time domain for ships in the random beam seas

LIU Liqin, TANG Yougang, LI Hongxia

Journal Article

Prospects and Key Points for Applying SMES to Electric Power System in Ships

Dai Taozhen,Fan Zeyang,Li Jingdong,Tang Yuejin,Cheng Shijie

Journal Article

Development of Hydrogen Fuel Cell Propulsion Technology for Ships

Peng Yuanting, Xu Zengshi

Journal Article

Integrated logistics support system design for ships

Zhu Hong and Zhang Ping

Journal Article

Marine Structures: Future Trends and the Role of Universities

Preben Terndrup Pedersen

Journal Article

Innovative Development of Ammonia-Hydrogen Powered Marine Ships in China

Hu Yuzhen, Wang Min, Li Lingdong, Men Zhiguo, Zhao Xiutao, Zhu Yuanqing, Liu Long

Journal Article

Innovative Developmental of Hydrogen-Powered Ships in China

Tong Liang, Yuan Yupeng, Li Xiao, Yan Xinping

Journal Article

Low-Carbon Development of Green Ships and Related Strategies

Zheng Jie, Liu Cungen, Lin Zhongqin

Journal Article

High Temperature Superconducting Magnetic Energy Storage System Applied Into Electric Power System in Ships

Dai Taozhen,Fan Zeyang,Li Jingdong,Tang Yuejin,Cheng Shijie,Pan Yuan

Journal Article

Intelligent Governance Mode for Shipping Safety Assurance: Taking Shanghai as an Example

Xu Liang, Xu Qing, Wang Xin’an, Wang Hongdong, Liu Xi, Zha Yiqian

Journal Article

Development Status and Prospect of Marine Nuclear Power Equipment in China and Abroad

Zheng Jie,Yu Fan,Zhu Junmin,Liu Cungen, Wang Xinyue,Zhu Yingfu

Journal Article