A5100640210- Hydraulic Fracturing and Reservoir Analysis
- Optical Network Technologies
- Enhanced Oil Recovery Techniques
- Advanced Photonic Communication Systems
- Advanced Optical Network Technologies
- Copper-based nanomaterials and applications
- Drilling and Well Engineering
- Quantum Dots Synthesis And Properties
- Chalcogenide Semiconductor Thin Films
- Advanced battery technologies research
- Rock Mechanics and Modeling
- Photonic and Optical Devices
- Coal Properties and Utilization
- Lattice Boltzmann Simulation Studies
- Biofuel production and bioconversion
- Hydrocarbon exploration and reservoir analysis
- Advanced Surface Polishing Techniques
- Biosensors and Analytical Detection
- ZnO doping and properties
- NMR spectroscopy and applications
- Innovative Microfluidic and Catalytic Techniques Innovation
- Advanced biosensing and bioanalysis techniques
- Electrocatalysts for Energy Conversion
- Electric and Hybrid Vehicle Technologies
- Neural Networks Stability and Synchronization
Chengdu University of Technology
2023-2025
Beijing Institute of Technology
2025
North University of China
2023-2024
Beijing University of Posts and Telecommunications
2013-2024
North China University of Technology
2023-2024
Beijing Normal University
2023-2024
Xiamen University
2011-2023
Hefei University
2023
Beihang University
2023
Beijing Graphene Institute
2023
In this study, the Darcy–Brinkman–Stokes (DBS) model based on theory of microscopic continuous media is used to pore-scale reaction transport in rocks. This solved discretely using a coupled Multiphysics-field simulation software investigate dissolution reactions and evolution porous during carbon sequestration. The DBS elucidates inherent nonlinear coupling mineral-dissolution processes, offering insights into intricate relationship among seepage, solute transport, reaction-fluid chemistry....
Much attention has been paid to the coating of energetic materials improve their properties. However, present technology drawbacks, and it fails meet requirements engineering applications. In this study, observation toad spawning process gave an idea for efficient preparation millimeter-sized coated granules by directly using unrefined HMX. technique, device was cheaper were simpler. The mechanism formation curing studied. its formula continuously optimized during exploration process....
The fluid–solid coupling effect is more pronounced in the process of deep coal seam development compared to shallow coalbed methane, exerting a greater influence on production, and cannot be disregarded. Throughout extraction process, interaction between effective stress gas desorption triggers deformation within seam, leading dynamic changes both porosity permeability. This paper has developed fully coupled flow model that contains matrix discrete fractures describe seepage behavior seams...
We study the gas–water transient imbibition and drainage processes in two-dimensional nanoporous media using our recently developed lattice Boltzmann model. To describe microscopic molecular interactions, model employs a pseudopotential that correlates local density interaction strength to perform simulation at mesoscopic scale. The primary interest is ganglia dynamics affected by fluid geometrical properties of porous structure. performed sensitivity analyses on rock characteristics such as...
A mathematical model, fully coupling multiple porous media deformation and fluid flow, was established based on the elastic theory of fluid-solid mechanism in tight oil reservoirs. The finite element method used to determine numerical solution accuracy model verified. On this basis, simulate productivity multistage fractured horizontal wells results show that during production wells, reservoir region close artificial fractures deteriorated physical properties significantly, e.g. aperture...
The mutual coupling effect between the fluid flow and in situ stress fields cannot be ignored during development of natural fractured reservoirs (NFRs), such as waterflooding process. In this study, a discrete fracture model is proposed to simulate rock deformation two-phase behaviors oil water NFR. numerical solution achieved via finite-element method control-volume method. simulator verified using commercial software, perfect agreement obtained. Finally, sensitivity analysis conducted on...
Mass transport is vital in electrochemical processes as it directly relates to the energy conversion efficiency and limits chemical reaction rate, which also defines output voltage power density of proton exchange membrane (PEM) fuel cells. Herein, combined with water gas two-phase transport, optimal structure, especially pore size microporous layer (MPL), analyzed only variable by simulations. Based on simulation results, precisely tailored MPLs 32 ± 5 nm hydrophobic sizes are achieved...
Nucleic acid detection directly identifies the presence of pathogenic microorganisms and has various advantages, such as high sensitivity, commendable specificity a short window period, been widely used in many fields, early tumor screening, prenatal diagnosis infectious disease detection. Real-time PCR (polymerase chain reaction) is most commonly method for nucleic clinical practice, but it always takes about 1-3 hours, severely limiting its application particular scenarios emergency...
Aging behavior of pyrotechnic agents is a serious threat to the reliability practical application products, while multiple environmental factors make it challenging characterize aging mechanism agents. This paper explored process LA in four hygrothermal environments with morphology and structure analysis techniques. underwent three stages: rapid surface reaction H2O CO2, interior hydrolysis by H2O, CO2 lead oxides. The cavity structures formed during LA's structural evolution reduced its...
Based on dual-fractal theory, this paper proposes a novel methodology to transform nuclear magnetic resonance (NMR) measurements into relative permeability model, thereby realized the challenge of accurately quantifying multiphase fluid flow in porous media. The model integrates multitude parameters associated with microscopic pore architecture It can be verified through case studies that newly constructed demonstrates excellent applicability. Furthermore, we have discovered correlation...
NaV3O8 nanobelts were successfully synthesized for Li/Na-ion batteries and rechargeable aqueous zinc-ion (ZIBs) by a facile hydrothermal reaction subsequent thermal transformation. Compared to the electrochemical performance of LIBs NIBs, nanobelt cathode materials in ZIBs have shown excellent performance, including high specific capacity 421 mA h g-1 at 100 good cycle stability with retention 94% over 500 cycles 5 A g-1. The diffusion coefficients surface favor fast Zn2+ intercalation...
The hybrid electric vehicle is equipped with an internal combustion engine and motor as the driving source, which can solve problems of short range slow charging vehicle. Making effective energy management control strategy reasonably distribute output power motor, improve efficiency, reduce battery damage. To consumption excessive discharge at same time, a multi-objective based on particle swarm optimization algorithm proposed. First, simulation platform was built compound power-split model....
We apply RNN as the end-to-end nonlinear equalization algorithms to enable symmetric 50Gb/s NRZ PON over 25G-optics with 29dB+ power budget when BER reaches 3.8E-3. Up 60Gb/s-NRZ and 100Gb/s-PAM4 can be served for 20km in upstream downstream, respectively.
To meet the demand of emerging applications, such as fixed-mobile convergence for fifth generation mobile networks and beyond, a 100-Gbit/s/λ access network becomes next priority passive optical roadmap. We experimentally demonstrate transmission intensity modulation direct detection based on four-level pulsed amplitude in O-band by using 25G-class optics. mitigate severe distortions caused inter-symbol interference fiber nonlinearity, low-complexity recurrent neural equalizer with parallel...
Nucleic acid testing (NAT) has been widely used in many fields such as medical diagnosis, food safety and forensic identification. However, it can only be carried out professional laboratory because the test process is complicated rigorous. In this paper, a nucleic amplification system based on polymerase chain reaction (PCR) was developed to meet requirements of point-of-care (POCT) for acids. Firstly, mechanical structure electronic control were designed constructed. Secondly, an integral...