H.Y. Ma

ORCID: 0009-0004-6254-7244
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About
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Research Areas
  • Particle accelerators and beam dynamics
  • Railway Engineering and Dynamics
  • Superconducting Materials and Applications
  • Particle Accelerators and Free-Electron Lasers
  • Ion-surface interactions and analysis
  • Fusion materials and technologies
  • Aerodynamics and Acoustics in Jet Flows
  • Geotechnical Engineering and Underground Structures
  • Civil and Geotechnical Engineering Research
  • Transportation Systems and Logistics
  • Wind and Air Flow Studies
  • Nuclear Physics and Applications
  • Acoustic Wave Phenomena Research
  • Fluid Dynamics and Turbulent Flows
  • Aerodynamics and Fluid Dynamics Research
  • Structural Engineering and Vibration Analysis
  • Gas Sensing Nanomaterials and Sensors
  • Molten salt chemistry and electrochemical processes
  • Fluid Dynamics and Vibration Analysis
  • Heat Transfer Mechanisms

Institute of Modern Physics
2016-2024

Chinese Academy of Sciences
2003-2024

Central South University
2023

University of Tennessee at Knoxville
1994

For the particle detectors based on noble gases or liquids, it is essential to understand transport dynamic and properties of electrons. We report development a tool for electron in He, Ne, Ar, Kr, Xe, liquids Xe. The simulation, implemented C++ MATLAB, electron-atom collisions, including elastic scattering, excitation ionization. validate program through assessing electron's swarm parameters, specifically drift velocity diffusion coefficient. two models are discussed both used construction...

10.48550/arxiv.2501.01095 preprint EN arXiv (Cornell University) 2025-01-02

10.1016/j.nima.2016.05.099 article EN Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment 2016-05-25

This work considers the influence of concrete creep on track irregularities and establishes dynamic motion equation train-track-bridge coupling system. The irregularity is obtained by superposition initial geometric additional steel rail caused creep. When high-speed railway trains pass through bridges; vertical acceleration displacement continuous beam bridges are related to train’s operating speed, camber relatively small. At same time, considering randomness irregularities, responses...

10.3390/sym15101846 article EN Symmetry 2023-09-29

The Ion Source Group at IMP has been undertaking a series of high intensity ion beam R&D projects. first project is the development intense proton source and its low energy transport system (LEBT) for China Initiative Accelerator Driven Sub-Critical reactor (CiADS). specific characteristics are long-term reliability flexible manipulation commissioning need Superconducting radio-frequency (SRF) accelerators. LEBT used to deliver 35 keV H+ entrance 2.1 MeV RFQ . And then further accelerated by...

10.1088/1748-0221/14/02/c02009 article EN Journal of Instrumentation 2019-02-21

This study aims to investigate the adverse effects of near-fault ground motions on long-term development high-speed railways. In this paper, are analyzed based Train–Track–Bridge Coupling Braking System (TTBCBS) which has been validated during earthquakes. The earthquakes whole system discussed in depth, focusing random nature earthquakes, impulsive character and different initial speeds behavior. results show that under probability train derailment gradually increases with increase peak...

10.1142/s0219455424502298 article EN International Journal of Structural Stability and Dynamics 2023-12-01

10.1006/jsvi.1994.1161 article EN Journal of Sound and Vibration 1994-04-01
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