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Dynamic Analysis for the Lateral Movement of a Lifting Pipe in Deep Sea Mining

Liu Jiang,Mao Jiling,Liu Beiying,Ling Sheng

Strategic Study of CAE 2001, Volume 3, Issue 11, Pages 74-79

Abstract:

Dynamic analysis for the lateral movement of a lifting pipe in deep sea mining is made by using nonlinearThe factors influencing the dynamic stress and deformation of the lifting pipe are analyzed in detailThe results obtained are of great importance to the design and operation of the lifting pipe.

Keywords： deep sea mining lifting pipe dynamic stress displacement delaying time nonlinear finite element method

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A new perspective in pyroptosis: lifting the veil on GSDMA activation

Frontiers of Medicine 2023, Volume 17, Issue 3, Pages 581-583 doi: 10.1007/s11684-022-0971-9

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A Study of the Factors Influencing the Kinematic Condition and Dynamic Characteristics of Deep Seabed Mining Systems

Ling Sheng,Xiao Linjing,Shen Yanhua,Zhang Wenming

Strategic Study of CAE 2002, Volume 4, Issue 3, Pages 78-83

Abstract:

Reasonable layout, reliable installation, economical operation, and facilitated control are the major goals for the research and development of deep seabed mining systems. Kinematic condition and dynamic characteristics of the systems are of direct and important influence to attaining the goals. Based on the results achieved in the research and development of deep seabed mining technology in recent years, the main factors influencing the kinematic condition and dynamic characteristics of the systems, including sea current, sea wave, sailing velocity of the mining ship, weight and shape of the underwater nodule storage, and moving pattern of the nodule collector, are studied and analyzed in this paper. Relevant conclusions would be useful for the layout, design, operation, and control of the systems and corresponding equipment.

Keywords： deep seabed mining mining system lifting pipe kinematics & dynamics system design

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Major applications of heat pipe and its advances coupled with sorption system: a review

Yang YU, Guoliang AN, Liwei WANG

Frontiers in Energy 2019, Volume 13, Issue 1, Pages 172-184 doi: 10.1007/s11708-019-0610-6

Abstract: Heat pipe utilizes continuous phase change process within a small temperature drop to achieve high thermalIn addition to some typical applications of thermal control and heat recovery, the heat pipe technologyThis paper presents an overview of the emerging working fluids, the major applications of heat pipe,and the advances in heat pipe type sorption system.Besides, the ongoing and perspectives of the solid sorption heat pipe are presented, expecting to serve

Keywords： heat pipe sorption system heat transfer solid sorption heat pipe

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Design and analyses of open-ended pipe piles in cohesionless soils

Yuan GUO,Xiong (Bill) YU

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1, Pages 22-29 doi: 10.1007/s11709-016-0314-5

Abstract: Large open-ended pipe pile has been found to be advantageous for use in transportation projects.To close this practice gap, this paper first summarized different design methods for open-ended piperesults show that the arching effect significantly increases the internal unit shear resistance along pipe

Keywords： open-ended pipe pile soil plug DEM base capacity

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Research on the special lifting device for steel box girders of Sutong Bridge

Chen Ming,Wu Qihe,Luo Chengbin,Zhou Hanfa

Strategic Study of CAE 2009, Volume 11, Issue 3, Pages 65-70

Abstract: Due to the high of navigational clearance of the main bridge, the traditional truss lifting device couldn't satisfy the requirement of domestic lifting cranes for this kind of lifting height and weight.Hence, a kind of lighter lifting device for the erection of back span large units was accepted for thisIn this paper, the design and use of this lifting device is introduced.The upper structure used liftingpaper, key points of designing and using long cable pull-in angle adjustment device integrate into lifting

Keywords： Sutong Bridge large units lifting device cantilever installation lifting gantry design and use

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Group-based multiple pipe routing method for aero-engine focusing on parallel layout

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4, Pages 798-813 doi: 10.1007/s11465-021-0645-3

Abstract: External pipe routing for aero-engine in limited three-dimensional space is a typical nondeterministiclayout of pipes plays an important role in improving the utilization of layout space, facilitating pipeThis paper presents an automatic multiple pipe routing method for aero-engine that focuses on parallelBased on these rough paths, the information of pipe grouping and sequencing are obtained according todifferential evolution algorithm, which adopts the coevolutionary strategy, is used to solve multiple pipe

Keywords： multiple pipe routing optimization algorithm aero-engine pipe grouping parallel layout

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Determination of lifting sequence of steel box girders of suspension main bridge of Taizhou Bridge

Wang Jun and Liang Jinda

Strategic Study of CAE 2012, Volume 14, Issue 5, Pages 41-45

Abstract: This article determines the proper lifting sequence of steel box girders of this threetower suspensionbridge by analyzing the effect of steel box girders lifting sequence on structural system and difficulty

Keywords： three tower two pan suspension bridge steel box girder lifting sequence

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A review of nondestructive examination technology for polyethylene pipe in nuclear power plant

Jinyang ZHENG, Yue ZHANG, Dongsheng HOU, Yinkang QIN, Weican GUO, Chuck ZHANG, Jianfeng SHI

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 4, Pages 535-545 doi: 10.1007/s11465-018-0515-9

Abstract:

Polyethylene (PE) pipe, particularly high-density polyethylene (HDPE) pipe, has been successfullyThough ASME Code Case N755, which is the first code case related to NPP HDPE pipe, requires a thoroughno executable regulations presently exist because of the lack of a feasible NDE technique for HDPE pipeThis work presents a review of current developments in NDE technology for both HDPE pipe in NPP withcategory, phased array ultrasonic technique is proven effective for inspecting typical defects in HDPE pipe

Keywords： polyethylene pipe nuclear power plant ultrasonic inspection nondestructive testing safety assessment

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Calculation method of load distribution on pipe threaded connections under tension load

Shoujun CHEN, Lianxin GAO, Qi AN

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2, Pages 241-248 doi: 10.1007/s11465-011-0219-x

Abstract:

This paper presents a new calculation method that can calculate the load distribution on pipe threadedBy applying the new method on the sample of P-110S pipe threaded connection, the obtained results show

Keywords： load distribution calculation method pipe threaded connections tension load

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Wavelet design for extracting weak fault feature based on lifting scheme

JIANG Hong-kai, WANG Zhong-sheng, HE Zheng-jia

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 2, Pages 199-203 doi: 10.1007/s11465-006-0009-z

Abstract: A new wavelet method based on lifting scheme to match weak fault characteristics is proposed.In this method, an initial set of finite biorthogonal filters is modified by a lifting and dual liftingprocedure alternately, and different lifting operators and dual lifting operators are obtained.

Keywords： misalignment imbalance particular position mechanical

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NC flame pipe cutting machine tool based on open architecture CNC system

Xiaogen NIE, Yanbing LIU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 2, Pages 147-152 doi: 10.1007/s11465-009-0025-x

Abstract: Based on the analysis of the principle and flame movement of a pipe cutting machine tool, a retrofitNC flame pipe cutting machine tool (NFPCM) that can meet the demands of cutting various pipes is proposed

Keywords： flame pipe cutting flame incision tracks CNC open architecture CNC system

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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 difficultBranch pipes in layout space are regarded as a combination of several two-point pipes, and the pipe route

Keywords： branch pipe ship industry piping system optimization algorithm

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Assessment of glass fiber-reinforced polyester pipe powder in soil improvement

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3, Pages 742-753 doi: 10.1007/s11709-021-0732-x

Abstract: This study investigates the use of glass fiber-reinforced polyester (GRP) pipe powder (PP) for improving

Keywords： shallow foundation sandy soil bearing capacity soil improvement pipe powder

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Dynamic prediction of moving trajectory in pipe jacking: GRU-based deep learning framework

Frontiers of Structural and Civil Engineering Pages 994-1010 doi: 10.1007/s11709-023-0942-5

Abstract: The moving trajectory of the pipe-jacking machine (PJM), which primarily determines the end quality ofTo verify the performance of the proposed framework, a case study of a large pipe-jacking project inthat the proposed framework can dynamically and precisely predict the PJM moving trajectory during the pipe-jackingcontrol and serve as a foundation for the application of deep learning in the automatic control of pipe

Keywords： dynamic prediction moving trajectory pipe jacking GRU deep learning