Now showing items 1-20 of 1539
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Progressive Alterations of Shale Properties under Staged Long-Term CO2 Exposure: Insights from a Multicycle Experimental Study
(American Society of Civil Engineers, 2026)AbstractThe long-term integrity of shale formations upon exposure to CO2 is paramount for carbon geologic sequestration and enhanced hydrocarbon recovery. However, predicting the property alterations of shale remains ... -
Enhancing Power Quality in Regional Integrated Energy Systems: A Novel Multidimensional Flexible Management Strategy for High Proportions of Renewable Energy Integration
(American Society of Civil Engineers, 2026)AbstractUnder the current impetus of dual-carbon goals, the integration of high proportions of renewable energy into regional energy systems has become an inevitable trend. However, this transition has led to increasingly ... -
Effects of Crude Oil Intrusion on Mechanical Damage Characteristics and Acoustic Emission Behavior of Coal
(American Society of Civil Engineers, 2026)AbstractThe weakening of coal strength caused by crude oil intrusion serves as a primary trigger for frequent disasters in coal–oil symbiotic mines. Understanding the degradation characteristics and underlying mechanisms ... -
Development of an Experimentally Validated CFD Engineering Tool for Marine Engine Applications
(American Society of Civil Engineers, 2026)AbstractMarine engine development is undergoing a challenging transition, dictated by the decarbonization frame set by the International Maritime Organization (IMO). In this context, new fuels, such as methanol and ammonia, ... -
Numerical Study of the Effects of Fuel Injection Parameters on the Combustion and Various Sources Containing NO Emission Characteristics in a Diesel and Ammonia Dual-Fuel Engine
(American Society of Civil Engineers, 2026)AbstractThe diesel/ammonia combustion mode can significantly cut down carbon emissions, while the growth in fuel NOx due to the introduction of ammonia poses a potential emission problem. To explore the generation and ... -
Research on Displacement Technology for a Binary Heterogeneous System in Fractured-Vuggy Reservoirs
(American Society of Civil Engineers, 2026)AbstractAs one of the primary development schemes for fractured-vuggy reservoirs, nitrogen flooding following water flooding has become the prioritized injection option for these reservoirs due to its relatively low cost ... -
Robust Risk Assessment for Park-Level Integrated Energy Systems: A Framework for Adaptive Governance under Deep Uncertainty
(American Society of Civil Engineers, 2026)AbstractPark-level integrated energy systems (PIESs) are critical for achieving climate goals, but their assessment is hampered by deep uncertainty in future technologies and policies. Conventional methods, which seek a ... -
Numerical Analysis of CO2-EOR in Heterogeneous Porous Media with Microfractures at Pore Scale
(American Society of Civil Engineers, 2026)AbstractCO2 enhanced oil recovery (EOR) is a promising technology for improving oil production and achieving carbon geological sequestration. Understanding CO2-EOR mechanisms in heterogeneous porous media with microfractures ... -
Advancing Oil Recovery: Systematic Evaluation of EOR Techniques from Primary to Tertiary Stages
(American Society of Civil Engineers, 2026)AbstractTo enhance oil production efficiency, particularly in mature oil fields, the implementation of enhanced oil recovery (EOR) techniques is crucial for extracting additional crude oil that cannot be recovered by ... -
A Novel Methodology for Stimulation Candidate Selection by Wellhead Pressure Transient Analysis
(American Society of Civil Engineers, 2026)AbstractTight sandstone gas reservoirs have challenges in reservoir pollution assessment, including the high cost and long lead time of bottomhole pressure testing. This paper proposes a novel method for simulation candidate ... -
Multiobjective Trade-Off in Autothermal Reforming of Dimethyl Ether: A Response-Surface Methodology Based on Entropy Weight Decision
(American Society of Civil Engineers, 2026)AbstractDimethyl ether (DME) thermal reforming hydrogen production technology has the advantages of fast start-up and high thermal efficiency, which is an important direction of vehicle hydrogen production. However, most ... -
Machine Learning–Driven Fracture Analysis and Prediction in Tight Sandstone Gas Reservoirs Using Geophysical Well Logging
(American Society of Civil Engineers, 2026)AbstractAccurate fracture characterization is fundamental for optimizing hydrocarbon recovery in tight sandstone reservoirs, yet traditional methods like borehole image logging remain cost-prohibitive for field-scale ... -
Key Variable–Based Hammerstein Model for an Air Compressor of Hydrogen Fuel Cells
(American Society of Civil Engineers, 2026)AbstractA block Hammerstein model consists of a static nonlinear static module followed by a linear dynamic module, offering an effective framework for modeling nonlinear engineering systems. In this article, the Hammerstein ... -
Probabilistic Small-Signal Stability Analysis of a Wind–Solar–Thermal–Storage Hybrid Energy System
(American Society of Civil Engineers, 2026)AbstractAgainst the backdrop of increasing global attention to energy transition and environmental protection, the development of green and clean energy faces significant challenges. A wind–solar–thermal–storage (WSTS) ... -
Impact of Preloading on Subsequent Hydraulic Fracture Initiation and Propagation: Insights from Acoustic Emission and Fracture Morphology Analysis
(American Society of Civil Engineers, 2026)AbstractThe in situ stress field in shale formations exhibits significant spatial variation due to geological structures. The mechanisms influenced by different in situ stress variations during the hydraulic fracturing ... -
Numerical Analysis of Perforated Ribs Bottom-Inserted on the Ducts of Methanol Steam Reforming Reactor
(American Society of Civil Engineers, 2026)AbstractDesigning a methanol steam reforming reactor (MSRR) is crucial since it provides hydrogen to the proton exchange membrane fuel cell. The 3D computational fluid dynamics (CFD) work then investigates the MSSR’s ... -
Mesostructural Evolution of Coal under Alternating Hydraulic Intrusion Based on Micro-CT Imaging
(American Society of Civil Engineers, 2025)AbstractTo investigate the mesostructural evolution of coal under alternating hydraulic intrusion, a multifield coupled seepage device was used to sequentially conduct alternating hydraulic intrusion test and stress loading ... -
High-Temperature and High-Pressure Two-Dimensional Miscible Water–Gas Injection and WAG Experimental Study
(American Society of Civil Engineers, 2026)AbstractIn this study, a high-pressure large-scale 2D physical model was independently developed to conduct indoor 2D simulation experiments of miscible gas–water injection and water-alternating-gas (WAG) under reservoir ... -
Dynamic Event-Triggered IRL Algorithms for Nonzero-Sum Games of DC Microgrids
(American Society of Civil Engineers, 2026)AbstractThis paper proposes an integral reinforcement learning (IRL)-based optimal control method to solve the nonzero-sum (NZS) game problem of DC microgrids with partially unknown dynamics under the dynamic event-triggered ... -
A Hybrid Decomposition–Deep Learning Framework for Accurate Forecasting in Hydro–Wind–Solar Systems
(American Society of Civil Engineers, 2026)AbstractAccurate forecasting in hydro–wind–solar systems is vital for multienergy coordination. However, traditional methods struggle to capture critical temporal patterns when relying solely on raw input data. This study ...