245 hasil
Menampilkan 1–20 · 0,20 detik · RSS
Journal of Pipeline Science and Engineering
Scopus
ISSN 2667-1433 · KeAi Communications Co. Ltd. · 245 artikel di indeks
-
Artikel Jurnal
Parametric study of burst strength for hydrogen blended natural gas pipelines with long corrosion defects
Transporting hydrogen through existing natural gas pipeline poses significant challenges due to hydrogen embrittlement (HE), which can compromise the structural integrity of pipelines. This study evaluates the burst strength of line pipes with and without corrosion defects using elastic-plastic…
-
Artikel Jurnal
Unravelling corrosion mechanisms of X80 pipeline steel in ammonia environment with chloride and oxygen
Ammonia (NH3) is a promising hydrogen carrier, yet the corrosion mechanisms of pipeline steels in impurity-contaminated NH3 environments remain unclear. This study elucidates the effects of chloride ions (Cl−) and dissolved oxygen (O2) on the corrosion behaviour of X80 pipeline steel in aqueous…
-
Artikel Jurnal
Existing natural gas networks for 100% hydrogen transport: a case study in Europe
Hydrogen transportation via dedicated pipelines or repurposed existing natural gas (NG) grids is one of the most reliable and cost-efficient means of delivering hydrogen over long distances. However, due to embrittlement effects and ease of leakage, further research is needed to fully replace the…
-
Artikel Jurnal
Sand transport characteristics and critical sand-carrying velocity of gas-water mixtures in wellbores during hydrate production
Sand production in weakly cemented silty-fine sediments poses a significant challenge to the stable and efficient operation of horizontal hydrate production wells. This study moves beyond site-specific observations to elucidate the fundamental gas-water-sand multiphase transport mechanisms through…
-
Artikel Jurnal
Dynamic risk assessment framework for offshore pipelines corrosion under insulation
Corrosion under insulation (CUI) remains a critical threat to the integrity and reliability of offshore and marine pipeline systems due to its hidden nature, complex degradation mechanisms, and limited inspection strategies. This study presents a dynamic, probabilistic risk assessment framework…
-
Artikel Jurnal
A review of the challenges, solutions and economics of hydrogen transmission in steel pipelines
Developing transmission pipelines is considered essential to realising renewable hydrogen’s decarbonisation potential in industry, transport, and energy storage. Numerous studies identify pipelines as the most cost-effective option for transporting hydrogen compared with alternative hydrogen…
-
Artikel Jurnal
Knowledge graph construction for pipeline standards: Enhancing efficiency in the oil and gas industry
The intelligent development of oil and gas pipelines is crucial for overcoming the challenges of transitioning from informatization to intelligence, especially considering the vast number of standards governing pipeline operations. With over 3000 distinct standards collected, their multi-source…
-
Artikel Jurnal
Understanding detection success of belowground natural gas leaks in urban environments through controlled release experiments
Pipeline leak detection in urban areas is critical to safety and the mitigation of greenhouse gas emissions. However, the impact of the added complexity of key features of an urban environment to leak detection success is not well known, and therefore not currently included in leak detection…
-
Artikel Jurnal
Synergistic evaluation of regular and radial-fin-integrated pipe performance using limit analysis and evolutionary symbolic modeling
Subsea buried pipes in offshore field conditions are most vulnerable to upheaval buckling, a risk that is especially pronounced in soft clay soils where uplift resistance, expressed by the dimensionless parameter N, is a crucial design consideration. This research assesses the uplift capacity of…
-
Artikel Jurnal
Effect of oxygen and nitrogen on hydrogen adsorption and permeation processes
This study investigated the effect of oxygen and nitrogen on hydrogen adsorption and permeation by combining electrochemical hydrogen permeation tests with density functional theory calculations. During electrochemical hydrogen charging, variations in the dissolved gas medium have a negligible…
-
Artikel Jurnal
An MILP model for the coupled design and operation optimization of large-scale gathering pipeline networks
The optimization of gathering pipeline networks (GPNs) involves both design and operation, which are highly interdependent but often addressed separately, leading to suboptimal solutions and higher costs. For the most common multilayer star-tree (MLST) and multilayer tree (MLT) gathering pipeline…
-
Artikel Jurnal
Transformation mechanism of martensite-austenite (M-A) constituent in the heat-affected zone of high strength pipeline steel and its correlation with toughness deterioration
Martensite-austenite (M-A) constituent in the heat-affected zone (HAZ) usually plays a detrimental role in toughness, especially in the intercritically reheated coarse-grained (ICCG) HAZ. However, its transformation mechanism has been rarely investigated. In the present study, transformation…
-
Artikel Jurnal
Characterization and potential distribution mapping of cathodically protected buried pipelines based on homogeneous and heterogenous factors
The use of a close interval potential survey (CIPS) for cathodically protected buried pipelines can provide useful information about the active or passive state of the pipeline/coating interface and the level of protection. Various models have been used to describe the potential distribution for…
-
Artikel Jurnal
Experimental and numerical investigation of repaired pipeline by composite sleeve using DIC technique and FEM
This research investigates the impact of a composite laminate sleeve on a corroded pipeline during a hydrostatic test, adhering to the ISO-24817 & ASME PCC-2 standards, employing the Digital Image Correlation (DIC) technique. The composite sleeve consists of 41 layers, each 0.16 mm thick, made from…
-
Artikel Jurnal
Flow characteristics and leakage rate calculations of microchannels in hydrogen-blended natural gas sealing structures
Hydrogen energy plays a key role in achieving China's ''double carbon'' goal. Blending hydrogen with natural gas and transporting it through existing pipeline infrastructure offers a practical solution for large-scale hydrogen delivery. However, gasket-related sealing failures remain the leading…
-
Artikel Jurnal
Dynamic response of buried pipeline under the sliding instability of slopes in cold regions
In order to study the dynamic response behavior of buried pipelines under the instability and sliding of slopes in cold regions, the buried pipelines in cold regions are taken as the research object. Considering the characteristics of large deformation and collapse of unstable soil, the material…
-
Artikel Jurnal
Carbon dioxide pipeline leakage risk assessment based on pipeline failure probability correction and CO2 concentration dispersion distance prediction
Given that supercritical or dense-phase carbon dioxide pipelines operate under high-pressure conditions, there exists a significant risk of high-pressure carbon dioxide leakage due to factors such as corrosion or external damage, which poses a potential asphyxiation hazard. Therefore, it is…
-
Artikel Jurnal
A numerical simulation method for CO2 leakage considering non-equilibrium phase transition
Carbon dioxide (CO2) exhibits high compressibility and complex phase-transition behavior. In the event of a leakage, CO2 undergoes rapid expansion and intricate phase transitions, resulting in a composite pressure drop process that includes a pressure plateau. Maintaining high-pressure plateau at…