A5101601372- Particle accelerators and beam dynamics
- Particle Accelerators and Free-Electron Lasers
- Superconducting Materials and Applications
- Gyrotron and Vacuum Electronics Research
- Magnetic confinement fusion research
- Plasma Diagnostics and Applications
- Heat Transfer and Optimization
- Heat Transfer and Boiling Studies
- Electrochemical Analysis and Applications
- Ionic liquids properties and applications
- Nuclear Materials and Properties
- Nuclear reactor physics and engineering
- Fluid Dynamics and Mixing
- Physics of Superconductivity and Magnetism
- Analytical chemistry methods development
- Power Systems and Technologies
- Surface Modification and Superhydrophobicity
- Laser Applications in Dentistry and Medicine
- Granular flow and fluidized beds
- Magnetic Field Sensors Techniques
- Neural Networks and Applications
- Silicon and Solar Cell Technologies
- Wireless Sensor Networks and IoT
- Distributed Control Multi-Agent Systems
- Advanced Frequency and Time Standards
Shandong University
2025
Technical Institute of Physics and Chemistry
2023-2024
Chinese Academy of Sciences
2016-2024
Institute of Modern Physics
2016-2024
Jiangnan University
2020
Shandong Institute of Automation
2020
Shanghai Huali Microelectronics (China)
2020
Northeast Electric Power University
2015
Dalian Ocean University
2009
Anti-infection and wound healing are critical to the survival of patients with skin burns or postoperative infections, there is an urgent clinical demand for drugs that combine anti-inflammatory tissue recovery functions, especially new can overcome inherent drug resistance bacteria conventional antibiotics. In this work, a phototherapeutic bactericide SiPc-CMCS was constructed by covalently grafting silicon phthalocyanine onto natural carboxymethyl chitosan. ingeniously exhibited combined...
A superconducting ion-Linac (iLinac), which is supposed to work as the injector in High Intensity heavy-ion Accelerator Facility project, under development at Institute of Modern Physics (IMP), Chinese Academy Sciences. The iLinac a heavy ion linear accelerator approximately 100 meters long and contains 96 cavities two types 17 cyromodules. Two resonators (quarter-wave with frequency 81.25 MHz an optimal beta β = v/c 0.07 called QWR007 half-wave 162.5 0.15 HWR015) have been investigated....
The Nb 3 Sn thin film cavity, having the potential to be operated at a higher temperature and gradient compared cavity made from bulk niobium, is one of most promising key technologies for next-generation radio-frequency superconducting accelerators. In our work, several 1.3 GHz single-cell TESLA-shaped cavities, coated by vapor diffusion method, were tested Peking University Institute Modern Physics, Chinese Academy Sciences. It was observed that performance cavities in tests without slow...
Abstract Reactive oxygen plasma treatment is an effective technique to eliminate hydrocarbon and improve the performance of superconducting radio frequency (SRF) cavities. This work investigated reaction mechanism between reactive hydrocarbon, surface kinetics, cleaning process optimization through experiments, analytical models, numerical simulations. The experimental results declare that dominated by ion-assisted chemical sputtering, attenuates exponentially, increasing function...
The China Accelerator-Driven Sub-critical System (CADS) is a high intensity proton facility to dispose of nuclear waste and generate electric power. CADS based on 1.5 GeV, 10 mA CW superconducting (SC) linac as driver. energy section the composed two families SC elliptical cavities which are designed with geometrical beta 0.63 0.82. In this paper, 650 MHz β=0.63 cavity studied, including optimization, multipacting, order modes (HOMs) generator RF power calculation.
The results from DC magnetization measurements and direct observation of hydrides precipitation rectangular bulk nitrogen doping niobium (Nb) samples used for the fabrication superconducting radio frequency (SRF) cavities were presented. surface treatments Nb consisted heavy electropolishing (EP), subsequent EP with different amounts material removal. critical fields parameters calculated data their dependence on removal was Unexpected pinning behavior N-doped observed suspected to be...
An experimental study of the afterglow mode was performed with a third generation electron cyclotron resonance ion source, SECRAL-II (Superconducting ECR source Advanced design in Lanzhou No. II), under double frequency heating. The results show that intense pulsed beams highly charged ions (e.g., $266\text{ }\text{ }\mathrm{e}\ensuremath{\mu}\mathrm{A}$ ${^{129}\mathrm{Xe}}^{34+}$ and $169\text{ ${^{129}\mathrm{Xe}}^{38+}$) could be produced at high ($24+18\text{ }\mathrm{GHz}$) power...
Superconducting Radio Frequency technologies are widely employed in particle accelerators to explore the frontiers of science. Pure niobium cavity with 2.8–4[Formula: see text]mm thickness is traditional technology a compromise between thermal conduction and mechanic stability. To meet requirements higher stability such as ADS linac, high intensity pulse solution for enhancing superconducting cavities by Al–Nb double layer structure proposed while maintaining enough heat transfer capacity....
The design, construction, and commissioning of a conduction-cooled Nb3Sn demonstration superconducting radio frequency (SRF) electron accelerator at the Institute Modern Physics Chinese Academy Sciences (IMP, CAS) will be presented. In context engineering application planning for thin-film SRF cavities within CiADS project, 650MHz 5-cell elliptical cavity was coated using vapor diffusion method beam acceleration. Through high-precision collaborative control 10 GM cryocooler, slow cooldown...
Plasma cleaning is extensively employed in superconducting radio-frequency (SRF) accelerators to mitigate field emissions induced by hydrocarbon contaminants. This study explores the plasma physical characteristics and modulation techniques a commonly utilized 1.3 GHz 9-cell tesla-shaped SRF cavity through integration of optical emission spectroscopy fluid model. Investigations argon neon demonstrate that generates higher electron density due its lower ionization energy, while exhibits...
This paper presents a path planning algorithm for nonholonomic mobile manipulators multi-objective grasping that computes the platform trajectory by maximizing manipulability measures. The objective of method is to find best pose when robot end-effector grasps object whose has been obtained visual system already. Firstly, we analyzed distribution operating performance manipulator inside its working space measure. Then, calculated measures, meanwhile took and constraints into account....
Low-temperature synthesis of Nb 3 Sn thin-film cavity is great significance in the field superconducting radio frequency (SRF). The bronze process can grow only stable phase at 700 °C, so it considered to be most promising for low-temperature cavity. We successfully fabricated worldwide first by process. technically solved key problems precursor preparation, characterized and analyzed uniformity film, tested performance cut-out samples whole film. It obtained that Q 0 value 4.2 K about 1.2 ×...
Abstract To control the separation of flow past an airfoil with a simple jet mechanism, based on Large Eddy Simulation from Favre, suction-blowing combined is studied holes placed NACA0012 airfoil’s upper surface and Re = 10 4 attack angle α 6°. The results show mode front-hole suction back-hole blowing effective. It can suppress disturbance in field increase lift-to-drag ratio at same time.