2026 June - 54 articles
The goaf backfilling with the coal gangue is an effective strategy for mitigating the mining-induced surface subsidence and reducing the solid waste accumulation. However, the conventional backfilling methods often suffer from limited transport effic...
Safety management evaluation in highway tunnel construction involves significant complexity due to multi-level, multi-indicator, and uncertain characteristics. To address these challenges, this study proposes an integrated evaluation approach combini...
Flavor esters are valuable compounds widely used in the food, beverage, and cosmetics industries for their aroma and flavor-enhancing properties. Traditional methods of obtaining these compounds, such as extraction from natural sources or chemical sy...
This study evaluates the life cycle assessment (LCA) of Lufenuron 50-EC pesticide adsorption from aqueous solution using oil palm shell (OPS)-derived activated carbon produced through two activation routes: physical and chemical. The assessment cover...
This study develops a Pore-Prior and Progressive-Sampling Transformer architecture, termed PPFormer, for the laboratory-scale analysis of microscopic remaining-oil images acquired from photolithographic glass-micromodel displacement experiments. The...
In underground engineering, the dynamic failure mechanisms of rock masses containing openings under impact loading are of vital importance. This study systematically investigates the effects of opening shape, size, and orientation on the dynamic beha...
Water damage under the coupled effects of traffic load and pore water pressure (PWP) is a primary cause of early failure in asphalt pavements. Although dense-graded pavements generally have low void ratios, excess PWP poses a severe threat to durabil...
A computational fluid dynamics (CFD) analysis is conducted to systematically investigate heat transfer enhancement in tubes fitted with grooved twisted tapes and to identify the groove geometry that provides the best thermo-hydraulic performance. Thr...
Earthquake-induced landslides represent a critical threat to transportation infrastructure in tectonically active mountainous regions, particularly in tropical volcanic settings where weak, highly weathered geomaterials dominate. This study develops...
Ducted propulsion fans are widely recognized for their ability to enhance aerodynamic efficiency and operational safety by utilizing a surrounding shroud to contain the flow and mitigate blade tip losses. However, maximizing thrust and optimizing int...
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Accurate modeling of bi-flux anomalous diffusion presents significant computational challenges in engineering. This paper investigates the effectiveness of physics-informed neural networks as surrogate models for the bi-flux anomalous diffusion equat...
A disconnect remains between high-fidelity physical-characteristic simulation and upper-level validation in RF system design. High-fidelity simulations can accurately characterize key physical effects, such as frequency response, noise, and nonlinear...
Meso-scale combustors experience major challenges associated with flame instability, excessive wall heat losses, and limited reactant residence time due to their high surface-to-volume ratios. This study numerically investigates the thermo-fluid beha...
To investigate the posture control of super-long-span heavy steel box girders during synchronous lifting, this study takes the integral lifting project of the 82 m-span steel box girder of Xiaotun Bridge on the Fuyi Expressway as a case study. A flui...
Road potholes pose a considerable threat to mobile robots, which are generally less stable than conventional vehicles and may become trapped or overturned when traversing damaged road surfaces. Accurate semantic segmentation of road potholes is there...
Carbon steel pickled with hydrochloric acid can suffer from considerable dissolution, greater acid consumption, and poor surface quality. This research assessed the effectiveness of a commercially available corrosion inhibitor for carbon steel pickle...
In this study, a fully coupled three-dimensional multiphysics CFD model of a photoelectrochemical (PEC) water splitting cell incorporating a ZnO/BiVO4 photoanode was developed using COMSOL Multiphysics® 6.1. The model integrates semiconductor cha...
This study investigates the sampling sufficiency required for accurately characterizing the morphological properties of rigid polyurethane foams across three distinct regions: core, crown, and lateral edge. A total of 200 individual cells were analyz...
This investigation primarily focuses on addressing the challenges posed by the traditional use of carbon steel, which, despite its strength and cost-effectiveness, is prone to rapid corrosion in harsh chemical environments within the petrochemical in...
To address the insufficient damping and instability tendency of metal coil spring isolators subjected to intense impact loading, a multi-stage vibration isolation configuration integrating polyurethane, springs, and eddy current dampers is proposed....
The introduction of autonomous mobile robotic systems into ground handling operations at airports has been limited by aviation safety requirements and the high costs associated with a robot colliding with an aircraft. To ensure safety, traditional ro...
Physical uniaxial compressive tests were conducted on high porosity vesicular basalt specimens in the lab. The main experimental mechanical parameters (i.e., peak strength and elastic constants) were used to calibrate numerical models in the 2-D PFC....
This paper presents an experimental comparison between model-based and model-free trajectory-tracking control strategies applied to an omnidirectional mobile robot platform. Classical model-based controllers, including Proportional-Integral-Derivativ...
Magnetic reciprocating engines (MREs) offer an emission-free alternative to internal combustion engines; however, their practical implementation requires precise speed regulation, a challenge compounded by coupled electromechanical dynamics and induc...
This study investigates the fatigue behaviour of sandwich composite materials under three-point bending. A stiffness reduction approach was adopted to model the damage evolution as a function of fatigue cycles. However, existing studies often rely on...
The drilling and blasting method is the mainstream approach for excavating deep-buried tunnels. Nevertheless, a complex static–dynamic coupling environment is formed by the directional high in situ stress and the widely distributed weakly inter...
The growing demand for elderly and bedridden patient care in hospitals, nursing homes, and long-term care facilities has increased the need for safe and efficient repositioning methods. Repositioning immobile patients is essential for preventing pres...
This study examines the complex interplay between dynamic response and mineralogical microstructures across various geological formations, particularly differentiating between mineralized and metamorphic rocks. Utilizing a comprehensive vibration-bas...
Research on human motion representation commonly investigates portable, wearable, and ergonomic sensing systems. Cameras, infrared sensors, and inertial measurement units (IMUs) are widely used to reproduce and validate human movement. Known limitati...
Gradient amplifiers are a critical subsystem in Magnetic Resonance Imaging (MRI), as their performance directly impacts image fidelity, scan time, and overall system cost. This article surveys gradient amplifier topologies and design techniques repor...
Cognitive stress detection based on electrocardiogram (ECG) is challenged by the high dimensionality of multichannel analysis, redundancy between heart rate variability (HRV) and morphological descriptors, and variability in classifier performance. W...
Wind power forecasting is essential for improving renewable energy exploitation and maintaining power system stability. However, influenced by factors such as the velocity and orientation of the wind and atmospheric pressure, wind power exhibits stro...
The global energy system is undergoing a significant transformation driven by rapid electrification, urbanization, and the emergence of new categories of electricity consumers. In particular, the increasing load density in low-voltage distribution ne...
Energy is a critical resource for human progress and societal well-being, but its generation must be environmentally clean and sustainable. Photovoltaic (PV) systems are a key renewable energy solution, but they must be optimized. This research is pa...
Constructed wetlands (CWs) are widely used as nature-based solutions for domestic wastewater treatment; however, long-term exposure of concrete infrastructure to saturated and chemically active environments may compromise its durability. This study e...
To address delayed roof fracture, severe stress concentration, and strong strata pressure under thick–hard roof conditions, this study investigated the 1014 mining face of Yushuquan Coal Mine. A staged thick-plate model incorporating boundary-c...
The features of non-destructive testing of steel pipes with a long service life in terms of dynamic hardness parameters are considered. Regarding the limited applicability of normal and lognormal distributions, the Weibull and Gumbel distributions ar...
Reliable pavement condition assessment using UAV-derived orthophotos remains challenging under manual flight conditions, where acquisition parameters are not predefined and photogrammetric quality is highly operator-dependent. This study evaluates ho...
Four-point bending tests were conducted on precast ultra-high-performance concrete (UHPC) segmental beams reinforced with unbonded prestressing tendons. A nonlinear finite element model was established and rigorously validated against the experimenta...
Ultra-high performance concrete (UHPC) is widely used for its excellent compactness and durability. However, steel fibers in UHPC may form conductive paths, affecting electrochemical testing of internal rebars. To assess the applicability of current...
This study aimed to intensify the ultrasound-assisted extraction (UAE) of rutin, chlorogenic acid, ferulic acid, and total phenolic compounds (TPCs) from mangaba (Hancornia speciosa Gomes) fruit. Based on a univariate experimental screening, the sele...
Achieving rapid and accurate prediction of slope stability is a key scientific issue in slope engineering. However, slope stability is governed by multi-factor coupling effects and exhibits strong nonlinear characteristics, and traditional slope stab...
Accurate and efficient computation of partial inductances is essential in modern electromagnetic modeling. A three-dimensional cubic spline interpolation method is proposed for efficient evaluation of partial inductances between uniform cubic cells o...
Based on the global geospatial liquefaction model, this study adopts updated datasets of 30 m depth-averaged shear wave velocity (
The direct-quadrature (dq) axis control method is a widely employed approach for off-grid and grid-connected inverters in solar photovoltaic (PV) systems that can regulate active and reactive power control. Conventional fixed-gain dq-axis PI controll...
Occupational safety is increasingly addressed through engineering-based, proactive risk management approaches that emphasize early identification and mitigation of hazards within industrial systems. In manufacturing environments, the analysis of mino...
In fecal sludges (FSs) from non-sewered sanitation systems, bound moisture constituted 46–67% of total moisture across all sanitation types investigated, yet the energetic basis for its resistance to removal has not previously been characterize...
An IoT-based technique is suggested for detecting single-phase earth faults (SEFs) in 6–35 kV cable networks with an isolated neutral. Unlike existing methods based on measuring zero-sequence currents with traditional current transformers, the...
Two techniques of the Boundary Elements Method (BEM) are coupled for solving piecewise homogeneous elastic problems with body forces. The Domain Superposition Technique (DST), which is an alternative to the classical sub-regions approach, is used to...
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