A5003240861- Electromagnetic Launch and Propulsion Technology
- Energetic Materials and Combustion
- Plasma Diagnostics and Applications
- Advanced Measurement and Detection Methods
- Combustion and Detonation Processes
- Pulsed Power Technology Applications
- Advanced Image and Video Retrieval Techniques
- Hand Gesture Recognition Systems
- Rocket and propulsion systems research
- Magnetic confinement fusion research
- Advanced Vision and Imaging
- Optical measurement and interference techniques
- Advanced Computational Techniques and Applications
- Laser-Plasma Interactions and Diagnostics
- Vacuum and Plasma Arcs
- Visual Attention and Saliency Detection
- Power Systems and Renewable Energy
- Geophysics and Sensor Technology
- Guidance and Control Systems
- Industrial Vision Systems and Defect Detection
- Advanced Battery Technologies Research
- Particle accelerators and beam dynamics
- Video Surveillance and Tracking Methods
- Advanced Sensor and Control Systems
- Dust and Plasma Wave Phenomena
Changzhou University
2021-2025
Sinopec (China)
2013-2023
Nanjing University of Science and Technology
2013-2022
Zhejiang University
2010-2022
Ningbo First Hospital
2022
Dongguk University
2018-2019
Xijing University
2019
Yanbian University
2014-2017
New Technology (Israel)
2014
Chongqing University
2014
Lithium-ion battery heat dissipation difficulties seriously affect the efficient and stable operation of electronic devices electric vehicles. Faced with increasing demand, traditional liquid cooling systems cannot ensure quality are limited in ability to provide uniform temperature adjustments. Combining microchannels PCMs is beneficial. For hybrid system here described, maximum average values field were 10.35 K 1 K, respectively, surpassing those a system. By introducing suitable PCMs,...
CO2 flooding is a significant technology for oil recovery, to reveal the microcosmic mechanism of flooding, slim tube experiments, long core gas chromatography analysis and numerical simulations were carried out. The results show that miscibility increase can improve effect dissolution diffusion in CO2-crude system, easing finger entry phenomena, delaying breakthrough time. Besides, -crude interaction enhanced by increasing pressure difference between injection well production well, which...
Humans have always sought to achieve aesthetics in art. In this paper, we present a novel approach for retargeting images different aspect ratios while improving the composition of results. A simpler computational aesthetic energy is proposed and used drive salient objects prominent lines move towards their corresponding optimal positions. mesh-based warping scheme presented transform protecting visual appearance objects. The objective function quadratic thus it can be quickly minimized by...
During the electromagnetic railgun launching process, there will be a complex flow field with high temperature in muzzle area because of high-speed friction, transition and secondary arc-ignition. This paper models when projectile is far away from muzzle, dynamic simulation arc carried out based on magneto hydrodynamic equations. Meanwhile, multi-component plasma transport model used to analyze process mixed gas Al vapor air. Furthermore, pressure boundary conditions are fitted by mesh...
The pulsed power supply (PPS) with capacitor energy storage is the integral part of launch system, which often used as element for electrothermal-chemical (ETC) launch, electromagnetic (EML), and other new-concept technology. In order to make charged rapidly, a novel charging (CCPS) has been developed in this paper characterized by compact size, high density short time. Through comparison analysis, full-bridge series resonant zero current switching circuit, dry-type transformer, active...
Recent research on deep learning has been applied to a diversity of fields. In particular, numerous studies have conducted self-driving vehicles using end-to-end approaches based images captured by single camera. End-to-end controls learn the output vectors devices directly from input available devices. other words, an approach learns not analyzing meaning vectors, but extracting optimal vectors. Generally, when control is vehicles, steering wheel and pedals are controlled autonomously...
In order to realize the ballistic control of railgun and flight stability projectile, a new type is designed, which can muzzle velocity rotation rate. The method overload adjust voltage or other parameters pulse power supply. It would be easy change accurately in large wide. Another widespread concern problem launching spinning projectile by railgun. This paper designed structure additional rails generate an unsymmetrical magnetic field produce rotational torque armature. simple rate linear...
A numerical model of radiation has been employed by using a Monte Carlo method and statistical physics to simulate the process capillary plasma source for an electrothermal-chemical launcher. The effect on propellants with different physical parameters is discussed. plasma-propellant interaction when combined thermal also Results show that radiant energy only causes small field around injector in propellant bed. responses flux particles are both order picoseconds. strong instantaneous not...
Demand for interactive wearable devices is rapidly increasing with the development of smart devices. To accurately utilize remote robot controls, limited data should be analyzed and utilized efficiently. For example, motions by a device, called Myo can estimated measuring its orientation, calculating Bayesian probability based on these orientation data. Given that device measure various types data, accuracy motion estimation increased utilizing additional This paper proposes method weighted...
A numerical model of radiation has been adopted for electrothermal-chemical (ETC) launcher, in which Monte Carlo method and statistical physics are employed to simulate the process a capillary plasma source an ETC launcher. The effect on propellant grains with different average absorption coefficients is discussed. plasma-propellant interaction also discussed when combined thermal model. Results show that strong instantaneous responsible transmission energy leading ignition. efficiency bed...
A 30 mm electrothermal-chemical (ETC) gun experimental system is employed to research the burning rate characteristics of 4/7 high-nitrogen solid propellant. Enhanced gas generation rates (EGGR) propellants during and after electrical discharges are verified in experiments. modified 0D internal ballistic model established simulate ETC launch. According measured pressure parameters, a transient law including influence EGGR coefficient by electric power gradient (dp/dt) added into model. The...
In order to analyze the characteristics of energy loss distribution electromagnetic launcher (EML), a calculation model considering contact resistance, velocity skin effect, and friction force was established. First, comparison between results experimental employed verify accuracy reliability this model. Second, every component EML system calculated analyzed. Based on model, is easily obtained visually understood, which helpful for optimization design. Finally, we discussed difference an...
Instead of the capillary plasma generator (CPG), a discharge rod (DRPG) is used in 30 mm electrothermal-chemical (ETC) gun to improve ignition uniformity solid propellant. An axisymmetric two-dimensional interior ballistics model propellant ETC (2D-IB-SPETCG) presented describe process launch. Both calculated pressure and projectile muzzle velocity accord well with experimental results. The feasibility 2D-IB-SPETCG proved. Depending on data initial parameters, detailed distribution...
A500kJ capacitive pulsed power supply (PPS), consisting of one constant current charger and two modules (PPM), has been designed developed. The energy storage density the whole PPS is about 1MJ/m <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sup> . output in over 12A, this device floating charge function for capacitors when process waiting trigger discharge. can work independently or as a basic unit large system used electromagnetic launch...