Inhibition mechanism of SRB corrosion of X80 steel by two cationic surfactants: DTAB and CPC
Available online 26 January 2026
•A synergistic effect of "interface film formation, microbial inhibition, and product regulation" was identified for DTAB and CPC against SRB corrosion.•Compared to DTAB, CPC can facilitate the formation...
Mechanical behavior of ductile iron pipe push-on joints rehabilitated with CIPP liner subjected to bending moment
Available online 24 January 2026
The cured in place pipe (CIPP) technology is widely applied for rehabilitation of water supply pipelines. For ductile iron (DI) pipelines—critical components of water transmission infrastructure—understanding...
Synergistic Effects of Ferrite Grain Features and Corrosive-Media Chemistry on the Corrosion Resistance of Nb-Microalloyed X70 Pipeline Steel: An Experimental, Machine-Learning, and Density Functional Theory-Based Study
Available online 23 January 2026
This study quantifies synergistic effects of Nb content, ferrite grain features (grain size, deformed-ferrite fraction, geometrically necessary dislocation (GND) density, and fractions of grains oriented...
Numerical and Experimental Study on Leakage Characteristics of Hydrogen-Blended Natural Gas during Pipeline Transport
Available online 19 January 2026
A computational fluid dynamics (CFD) model was developed to investigate leakage characteristics of hydrogen-blended natural gas pipelines, and validated using a dedicated experimental platform with...
A review of interfacial mass transfer mechanisms in the batch transportation of methanol and refined products
Available online 17 January 2026
The sequential transportation of methanol via existing refined product pipelines is a critical pathway for its large-scale, low-cost, and long-distance distribution. However, the significant physicochemical...
Investigation of hydrogen embrittlement of X52 base metal and weld metal in hydrogen blended natural gas
Available online 15 January 2026
•The fatigue crack propagation performance and fracture toughness of X52 pipeline steel base metal and weld metal are different to the sensitivity of hydrogen embrittlement under different hydrogen...
A Predictive Model for the Ultimate Burst Pressure of Hydrogen-Blended Natural Gas Pipelines Considering the Spatial Non-Uniformity of Material Properties
Available online 15 January 2026
Hydrogen-blended natural gas transportation via existing pipelines represents an effective approach for large-scale, efficient hydrogen delivery. Existing natural gas pipelines have various defects,...
Bidirectional mapping modeling of pipeline vertical deformation and axial strain based on multi-source monitoring data and machine learning
Available online 8 January 2026
Axial strain and vertical deformation are critical indicators of pipeline structural integrity. Monitoring these parameters and constructing a bidirectional mapping model linking them enhance data completeness,...
A Comprehensive Review of China’s Hydrogen Energy Industry Chain: Technologies, Economics, and Policy Implications
Available online 8 January 2026
Against the backdrop of the global energy transition and the "dual-carbon" strategic framework, hydrogen energy has emerged as a crucial facilitator for profound decarbonization, owing to its carbon-neutral...
Numerical investigation of key factors influencing the mixing performance of static mixers for hydrogen-blended natural gas
Available online 8 January 2026
Blending hydrogen into existing natural gas pipelines has emerged as a pivotal strategy for the efficient transportation of hydrogen. Static mixers, as the core components in such pipelines, play a...
Advanced conductive coatings for cathodic protection of pipeline systems
Available online 2 January 2026
This study introduces a conductive smart coating (SC) system that serves as both an external corrosion barrier and a conductive pathway for impressed-current distribution to mitigate corrosion under...
Accelerate the development of a new energy system with “substance-energy network” as the foundation
December 2025
Combined ductile-brittle fracture simulation of API X80 under impact loading
December 2025
This study explores finite element (FE) simulation of the combined ductile-brittle fracture behavior of API X80 steel under impact loading, incorporating the influences of strain rate and adiabatic...
Effect of gas impurities on the dissociative adsorption of hydrogen on Fe(100) surface of pipeline steel
December 2025
As common impurities in natural gas and hydrogen compatibility experiments, oxygen (O2) and water (H2O) have a significant impact on hydrogen compatibility of pipeline materials. The competition among...
Development and simulation analysis of a novel flexible deformation inspection units (FDIU) for oil and gas pipelines
December 2025
Oil and gas pipelines are essential for energy transportation, and their integrity is critical for safety and efficiency. Deformations such as dents can lead to failures, necessitating regular condition...
An experimental investigation on the turbulent drag reduction effect of polyacrylamide solution in the loop pipe
December 2025
•The saturation concentration has been found and defined during polymer drag reduction in loop pipe.•A relationship among maximum drag reduction DRmax, Wi, polymer molecular weight and solution concentration...
A hybrid intelligent time-series framework for predicting short-term LNG sendout rate
December 2025
Accurate forecasting of the liquefied natural gas (LNG) sendout rate is essential for stabilizing downstream natural gas supply and shaving emergency peak effectively. However, the volatility of LNG...
Effect of phase change on corrosion behavior of X65 steel in CO2 transportation pipeline environment
December 2025
Phase change is inevitable in long-distance CO2 transport pipelines. In this study, an in-situ electrochemical noise monitoring device was constructed to study the effect of phase change on corrosion...
Burst pressure models and validations for thick-walled pipelines containing corrosion defects
December 2025
Corrosion is one major threat to pipeline integrity. Over the past decades, many corrosion models have been developed for determining the remaining strength of corroded pipelines, including ASME B31.G,...
Characterization of CTOA for resistance to pipeline ductile fracture propagation
December 2025
In the present paper, the crack-tip opening angle (CTOA) data used by Jiao et al. are assessed to show that the CTOA-fracture speed data were in transient regions of different types of drop-weight tear...
A review of cavitation problems of cryogenic fluids in gathering pipelines
December 2025
As the market share of clean energy such as liquefied natural gas (LNG) and liquid hydrogen gradually increases, cryogenic fluid transportation pipeline system applications are becoming more and more...
A reliability assessment method of high grade steel large diameter natural gas transmission pipelines considering defects correlation
December 2025
High grade steel large diameter natural gas pipelines play a pivotal role in natural gas long-distance transportation, yet their safety assessment confronts significant challenges from the coupling...
Evaluating the impact of integrating fourth industrial revolution (4IR) technologies in maintenance of pressure vessels and pipelines in the petrochemical industry
December 2025
This study evaluates the impact of integrating Fourth Industrial Revolution (4IR) technologies into maintenance management for pressure vessels and pipelines in the petrochemical industry. Using a Fuzzy...
