Guest Editor(s)
Assist. Prof. Cheng Yee Ng
Email: chengyee.ng@utp.edu.my
Affiliation: Department of Civil and Environmental Engineering, Faculty of Engineering,
Universiti Teknologi PETRONAS, Seri Iskandar, Perak, Malaysia
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Research Interests: offshore renewable energy, hydrokinetic turbines, carbon capture; offshore carbon utilization, wave hydrodynamics, offshore and subsea energy systems, hydrodynamic and structural response of offshore infrastructure
Prof. Chen An
Email: anchen@cup.edu.cn
Affiliation: College of Safety and Ocean Engineering, China University of Petroleum (Beijing), Beijing, China
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Research Interests: structural behaviour of submarine pipelines and risers, thermal insulation performance of offshore pipelines, solid coupling of offshore and marine structures, dynamic behaviour of pipes conveying gas-liquid two-phase flow, collapse and failure of advanced pipeline systems
Summary
The global energy transition requires reliable offshore infrastructure to transport, store, and utilize low-carbon energy carriers, including hydrogen and captured carbon dioxide. Subsea energy pipelines are therefore becoming essential assets for connecting offshore renewable energy production, hydrogen networks, carbon capture and storage (CCS), and offshore carbon utilization systems. As these pipelines operate under complex combinations of internal flow, external pressure, thermal gradients, corrosion, cyclic loading, and harsh marine environments, their long-term integrity is central to the safe and sustainable deployment of future offshore energy systems.
This Special Issue aims to provide a focused platform for high-quality research on the integrity, reliability, and lifecycle performance of subsea energy pipelines supporting the energy transition, with particular emphasis on hydrogen transport and carbon storage systems. Contributions may include experimental, numerical, analytical, and data-driven studies addressing pipeline design, assessment, monitoring, and lifecycle management.
Suggested topics include, but are not limited to:
· hydrogen pipeline degradation and material integrity; CO₂ transport pipelines for CCS/CCUS;
· thermo-mechanical behaviour of subsea pipelines; multiphase flow–structure interaction;
· corrosion, fatigue, fracture, buckling and collapse; advanced pipeline materials and thermal insulation systems;
· reliability-based integrity assessment;
· monitoring technologies for offshore pipeline systems.
Keywords
subsea energy pipelines, energy transition, hydrogen transport, carbon capture and storage, offshore carbon utilization, pipeline integrity, thermo-mechanical behavior, multiphase flow–structure interaction, corrosion and fatigue, reliability assessment
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