A5081947157- Underwater Vehicles and Communication Systems
- Aerospace Engineering and Energy Systems
- Granular flow and fluidized beds
- Geotechnical and Geomechanical Engineering
- Geotechnical Engineering and Underground Structures
- Tunneling and Rock Mechanics
- Water Quality Monitoring Technologies
- Particle Dynamics in Fluid Flows
- Fractional Differential Equations Solutions
- Soil, Finite Element Methods
- Power Line Inspection Robots
- Robotic Path Planning Algorithms
- Robotic Mechanisms and Dynamics
- Differential Equations and Numerical Methods
- Electric Power Systems and Control
- Occupational Health and Safety Research
- Digital Transformation in Industry
- Cyclone Separators and Fluid Dynamics
- Iron and Steelmaking Processes
- Engineering Diagnostics and Reliability
- Rocket and propulsion systems research
- Distributed Control Multi-Agent Systems
- Hydraulic and Pneumatic Systems
- Industrial Engineering and Technologies
- Biomimetic flight and propulsion mechanisms
Zhengzhou University of Light Industry
2022-2025
Shanghai Tunnel Engineering (China)
2025
Northwestern Polytechnical University
2014-2018
Underwater glider, as a new kind of autonomous underwater vehicles, has many merits such long-range, extended-duration and low costs. The shape glider is an important factor in determining the hydrodynamic efficiency. In this paper, high lift to drag ratio configuration, Blended-Wing-Body (BWB), used design small civilian under water glider. parametric geometric model BWB planform defined with Bezier curve linear line, section symmetrical airfoil NACA 0012. Computational investigations are...
Blended-Wing-Body Underwater Glider (BWBUG), which has excellent hydrodynamic performance, is a new kind of underwater glider in recent years. In the shape optimization BWBUG, lift to drag ratio often used as target. However this results lose internal space. paper, energy reserve defined direct proportional function space BWBUG. A motion model, relates gliding range steady parameters well consumption, established by analyzing steady-state motion. The maximum target instead optimizing result...
Hydrofoil is the direct component to generate thrust for underwater glider. It significant improve propulsion efficiency of hydrofoil. This study optimizes shape a hydrofoil using Free-Form Deformation (FFD) parametric approach and Surrogate-based Optimization (SBO) algorithm. FFD performs volume outside position changes control points in parameterize hydrofoil's geometric shape. SBO with adaptive parallel sampling method regarded as promising CFD-based optimization. Combination existing...
The association mechanism between the main operation parameters and multi-physical fields of large-scale vertical mill system is unclear, which leads to difficulty in optimizing improve performance large systems. To investigate field coupling mill, numerical simulation method constructed by coupled CFD-DPM model calculate finished product quality, results were good agreement with actual results. Based on Kriging surrogate model, a multi-objective optimization framework for mills proposed....
This study introduces the application of a spiral structure in pipeline transportation to enhance capacity slurry shield circulation system. A numerical model solid–fluid coupling with double was established based on computational fluid dynamics and discrete element method (CFD–DEM) theory, its validity confirmed through comparison experimental data. The characteristics were evaluated by comparing them those conventional smooth straight pipeline. multi-objective optimization for determining...
To meet the requirements for automation and precision in segment assembling enhance quality efficiency of assembly, a multi-objective trajectory planning method considering error uncertainty is proposed strategy erector under conditions heavy load low-speed assembly. Based on forward kinematics model erector, working space determined by Monte Carlo method, key track points are according to actual operation requirements. The kinematic mapping relationship between Cartesian joint established...
In order to improve the pipeline transport performance of slurry shield circulation system, a bionic with transverse protuberances structure similar sand ripples in desert is used for stones system. Based on theory CFD-DEM (Computational Fluid Dynamics-Discrete Element Method), numerical calculation model fluid-particle coupling established, and experimental platform system set up verify validity model. The characteristics ordinary smooth straight was compared pipeline. findings show that...
In order to improve the performance of underwater gliders, shape a new glider was designed with Blended-Wing-Body (BWB). this paper, relationships between steady-state gliding motion parameters and energy consumption for (BWBUG) have been researched. Firstly, steady modeling BWBUG built describe relationship gliding. Then, an model among one cycle parameters. An optimization established according optimal target minimal per nautical mile. The hydrodynamic numerical simulations presented in...
The flying-wing underwater glider (UG), shaped as a blended wing body, is new type of vehicle and still requires further research. shape layout the configuration internal actuators UG are different from those "legacy gliders" which have revolving bodies, these two factors strongly affect dynamic performance vehicle. Considering differences, we propose for treat multi-body system when establishing its model. In this paper, detailed model presented using Newton-Euler method UG. Based on full...
Four-rotor dish-shaped UUV is a new type of equipment for aquaculture to survey water pollution, which can land on the seabed by extending hydraulic support. In this paper, instability state defined, and mathematical model established. Unstructured mesh generation carried out using Ansys ICEM. Considering coupling between flow field seabed, numerical simulation calculation completed CFX. 4 different velocities, distance attack angles are calculated, curve fluid force torque landing platform...
To improve the synchronization control accuracy of lifting double cylinders segment erector under influence unbalanced load in actual assembling pipe piece task and to accelerate efficiency assembling, this paper proposes a cross-coupled position strategy based on back-stepping sliding mode control. The mathematical model double-cylinder system is established by MATLAB/Simulink, controller designed according state space equation deduced system, hydraulic cylinder speed realized combining...
Slurry pipeline transportation is widely used in dredging and serves as an essential method for conveying solid materials. However, accurately describing the interaction between slurry particles through numerical simulations, while optimizing structure to improve performance of pipelines, poses a significant engineering challenge. In this study, Z-shaped continuous pipeline, designed using B-spline curves, implemented circulation system. The validity CFD–DEM confirmed experiments, effects...
In order to improve the pipeline transport performance of slurry shield circulation system, a bionic with transverse protuberances structure similar sand ripples in desert is used for stones system. Based on CFD-DEM (Computational Fluid Dynamics-Discrete Element Method) theory, numerical calculation model fluid-particle coupling established, and experimental platform system set up verify validity model. The characteristics ordinary smooth straight was compared pipeline, results showed that...