Comparing deep-sea polymetallic nodule mining technologies and evaluating their probable impacts on deep-sea pollution

L Sitlhou, P Chakraborty - Marine Pollution Bulletin, 2024 - Elsevier
Deep-sea polymetallic nodules (PMN) hold promise as a future resource, with various
consortia like MOES, IOM, GSR, KORDI, and COMRA actively exploring mining possibilities …

[HTML][HTML] Control of ambient fluid on turbidity current evolution: Mechanisms, feedbacks and influencing factors

X Liu, J Sun, Y Lu, X Guo - Geosystems and Geoenvironment, 2023 - Elsevier
Turbidity currents are important ocean dynamic processes that influence sediment transport,
ocean engineering, and marine environments. As a turbidity current evolves, its macroscopic …

Lateral force on buried pipelines caused by seabed slides using a CFD method with a shear interface weakening model

X Guo, X Liu, M Li, Y Lu - Ocean Engineering, 2023 - Elsevier
With the extensive laying of subsea pipe networks, interactions between seabeds and
pipelines are attracting increasing attention; nevertheless, the study of buried pipelines …

Investigation of offshore landslides impact on bucket foundations using a coupled SPH–FEM method

Z Wang, D Zheng, X Guo, Z Gu, Y Shen… - Geoenvironmental …, 2024 - Springer
Background As the exploitation of marine resources intensifies, the impact of submarine
landslides on underwater structures has become a significant issue. Existing research …

A mass transfer-based LES modelling methodology for analyzing the movement of submarine sediment flows with extensive shear behavior

X Guo, X Liu, T Zheng, H Zhang, Y Lu, T Li - Coastal Engineering, 2024 - Elsevier
This study employs the large-eddy simulation (LES) method to investigate the interaction of
submarine sediment flows with extensive shear behavior and ambient water. This method is …

Assessing the strength of deep-sea surface ultrasoft sediments with T-bar penetration: a machine learning approach

X Guo, X Meng, F Han, H Zhang, X Liu - Engineering Geology, 2024 - Elsevier
With the expansion of marine resource utilization, geological disaster prediction, and
ecological protection in deep-sea regions, accurate identification of deep-sea engineering …

Condition assessment of underground corroded pipelines subject to hydrogen damage and combined internal pressure and axial compression

G Qin, Z Zhang, X Hou, H Lu, Y Huang… - … and Underground Space …, 2023 - Elsevier
In this work, a 3D finite element (FE) based model was developed to assess the condition of
an underground hydrogen transmission pipeline containing a corrosion defect under …

Evolution of high-density submarine turbidity current and its interaction with a pair of parallel suspended pipes

X Guo, Q Luo, T Stoesser, A Hajaali, X Liu - Physics of Fluids, 2023 - pubs.aip.org
The method of large-eddy simulation (LES) coupled with the density transport equation is
employed to simulate the evolution of a gravity-driven high-density turbidity current and its …

Impact of high-speed turbidity currents on offshore spanning pipelines

X Guo, X Liu, C Zhang, S Jing, F Hou - Ocean Engineering, 2023 - Elsevier
Pipelines in the deep sea are at risk of damage due to submarine landslides, which can
result in the loss of costly infrastructure and pollution stemming from hydrocarbon leaks …

A review of submarine landslides associated with rapid sedimentation

Z Wang, D Zheng, X Guo, Z Gu, C Yan… - Marine Georesources & …, 2024 - Taylor & Francis
Submarine landslides are a critical geological process that significantly influences seafloor
stability and geological evolution, making them a focal point of geological disaster research …