Design optimization of deep-seabed pilot miner system with coupled relations between constraints

Cho, Su gil; Park, Sang‐Hyun; Oh, Jae-Won; Min, Cheon-Hong; Kim, Hyungwoo; Hong, Sup; Jun-Young, Jang; Lee, Tae Hee

doi:10.1016/j.jterra.2019.01.003

Cited by 40 publications

(18 citation statements)

References 9 publications

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“…When the buffer and pump are equipped with DVA, respectively, (6). Numerical simulation has been performed with MATLAB to determine that the deflection angle θ of the lifting pipe is 0.4307 ∘ .…”

Section: Vibration Analysis Of the Lifting Subsystem With Dvamentioning

confidence: 99%

“…e solid mineral resources from the deep-sea bottom, such as ferromanganese nodules and cobalt-manganese crusts, most common ferromanganese nodules, are found typically at water depths of 4000-7000 m, and in the coastal areas of the shelf [5]. e deep-sea mining system consists of an ore collection system, a mother station, and a transportation system between the miner and mother station [6].…”

Section: Introductionmentioning

confidence: 99%

“…Liu et al [22] used Euler Lagrange two-phase flow model to simulate the turbulent flow of solid-liquid two-phase in the pump and used Finnie wear model to predict the wear rate of hydraulic components of deep-sea mining pump under different flow rate, rotation speed, and particle concentration. Cho et al [6] studied the performance of the deep-sea manganese nodule experimental miner, designed the ore guiding system composed of chassis structure, buoyancy, crushing system, electric control system, track, and sea miner, and analyzed the coupling relationship of the ore guiding system by using the axiomatic design method. Liu et al [23,24] analyzed the longitudinal vibration characteristics of lifting pipe under different working based on the finite element method.…”

Section: Introductionmentioning

confidence: 99%

“…It can be seen from the above references that the current research on deep-sea mining system focuses on three aspects: mining sea miner [6,16], pump set [21,22], and lifting pipe [8-14, 18, 23-25]. e research on lifting pipe mainly focuses on two directions: reducing the longitudinal vibration of the lifting pipe with additional vibration damper [8][9][10], computer simulation with dynamic simulation method, and finite element analysis [14,19].…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Vibration Characteristics and Reduction Analysis of Lifting Pipe under Ocean Current

Jiang

Song

Xiao

et al. 2021

Shock and Vibration

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Effects of vibration absorbers on the lifting pipe in deep-sea mining have been attracting more and more attention in the recent three decades; however, there are very few reports about the influence of ocean current on the pipe vibration in the literature. Considering the geometrical features of the prototype, this paper establishes the physical model, mathematical model, and simulation model of the lifting subsystem. A comprehensive finite element model for the deep-sea mining system by the OrcaFlex is developed to explore the influences of buffer mass and sailing velocity on the deflection angle and the axial load and stress of the lifting pipe. Analytical and numerical simulations have been formulated to illustrate variation rule of longitudinal vibration and axial stress at the position of pump and buffer for the lifting subsystem to determine the dynamic vibration absorber parameters. In this paper, MATLAB and Orcaflex software are used to verify the mathematical model. The simulation results show that the attaching DVAs can effectively reduce the axial stress, and longitudinal displacement at certain positions of the lifting pipe.

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Section: Vibration Analysis Of the Lifting Subsystem With Dvamentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Vibration Characteristics and Reduction Analysis of Lifting Pipe under Ocean Current

Jiang

Song

Xiao

et al. 2021

Shock and Vibration

View full text Add to dashboard Cite

show abstract

“…A promising DSM system has been proposed which is an integration of an ore collection system, a mining ship and a transportation system. The transportation system is an important part of deep-sea mining system, which transports the collected Ferromanganese (Fe-Mn) crusts from the miners to the mining ship by pump-lift method [ 3 ]. However, the stepped-pipe strings is easy to vibrate longitudinally, laterally and torsionally due to the motions of ship and waves, of which the longitudinal vibration is the most critical [ 4 ].…”

Section: Introductionmentioning

confidence: 99%

Longitudinal vibration compensation model of stepped-pipe strings in deep-sea mining

et al. 2020

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In this paper, the dynamic model of the rigid space stepped-pipe strings system is derived with Lagrangian method to represent the system dynamic behaviors which enriches the analysis method of longitudinal vibration of stepped-pipe strings. The stepped-pipe strings is constructed of pipes with different diameters and lengths, the physical properties of which mainly depends on the axial force and the depth of deep-sea mining. Based on lumped element method, the heave compensation system with dynamic vibration absorber is designed for longitudinal vibration suppression of the stepped-pipe strings. The analytical solution is obtained by modal analysis method when the mining ship is subjected to sea breeze excitation. The proposed method is easily implementable for rigid space stepped-pipe strings system with complex multi-degree-of-free deep-sea mining dynamic model. Furthermore, the optimal combination of mass ratio, spring coefficient and damping ratio is shown to have a better vibration suppression performance. Finally, numerical simulations on the stepped-pipe strings system with or without dynamic vibration absorbers are provided to demonstrate the effectiveness of the proposed method.

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Dynamic behavior of lifting pipe with equivalent model under mining vessel heave motion

et al. 2022

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Design optimization of deep-seabed pilot miner system with coupled relations between constraints

Cited by 40 publications

References 9 publications

Vibration Characteristics and Reduction Analysis of Lifting Pipe under Ocean Current

Vibration Characteristics and Reduction Analysis of Lifting Pipe under Ocean Current

Longitudinal vibration compensation model of stepped-pipe strings in deep-sea mining

Dynamic behavior of lifting pipe with equivalent model under mining vessel heave motion

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