Quan Han

ORCID: 0000-0001-9588-8409
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About
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Research Areas
  • Gas Dynamics and Kinetic Theory
  • Nanopore and Nanochannel Transport Studies
  • Particle Dynamics in Fluid Flows
  • Thermal Radiation and Cooling Technologies
  • Membrane Separation Technologies
  • Membrane-based Ion Separation Techniques
  • Mechanical stress and fatigue analysis
  • Plasma and Flow Control in Aerodynamics
  • Fuel Cells and Related Materials
  • Graphene research and applications
  • Particle accelerators and beam dynamics
  • Computational Fluid Dynamics and Aerodynamics
  • Tribology and Lubrication Engineering
  • Ionosphere and magnetosphere dynamics
  • Myofascial pain diagnosis and treatment
  • Particle Accelerators and Free-Electron Lasers
  • Adhesion, Friction, and Surface Interactions
  • Granular flow and fluidized beds
  • Combustion and Detonation Processes
  • Silicone and Siloxane Chemistry
  • Combustion and flame dynamics
  • Ion-surface interactions and analysis
  • Plasma Diagnostics and Applications
  • Agricultural Engineering and Mechanization
  • Acupuncture Treatment Research Studies

Nanjing Forestry University
2022-2024

Southeast University
2018-2024

State Key Laboratory of Vehicle NVH and Safety Technology
2024

Chinese Academy of Forestry
2016

Research Institute of Tropical Forestry
2016

Institute of High Energy Physics
2006

Accurate modeling of non-equilibrium molecular motion is essential for understanding rarefied supersonic flows in the upper atmosphere. This study employs dynamics simulations to investigate atomic-scale interactions argon gas around a silicon cuboid under conditions across flow regimes. Through systematic analysis velocity distributions, collision dynamics, and interfacial heat transfer from free-molecular transitional flow, atomic mechanisms that govern rarefaction effects were uncovered....

10.1063/5.0256301 article EN Physics of Fluids 2025-03-01

DNA conformations, which encompass the three-dimensional structures of strand, play a crucial role in genome regulation. During translocation nanopore, various conformations occur due to interactions among force fields, fluidic environment, and polymer features. The most common conformation is folding, where moves through nanopore two-strand or multi-strand manner, influencing current signature. Factors such as hydrodynamic drag, ionic environments, length significantly affect these...

10.1039/d4an01068j article EN cc-by The Analyst 2024-01-01

Abstract The rapidly growing demand for wet‐mate electrical connectors in underwater projects has attracted the attention of researchers field. Sealing is key to connectors. In this paper, reciprocating O‐ring seal during operations pressure‐balanced was studied. A numerical model containing Reynolds equation, hyperelastic deformation, and asperity contact used describe mixed elastohydrodynamic lubrication (EHL) seal. Results indicate that friction force connector decreases directly with...

10.1002/ls.1475 article EN Lubrication Science 2019-08-22

Understanding the reproductive biology of plant species is essential for successful domestication and genetic improvement programs. Casuarina equisetifolia L. an important plantation in China India but information on limited. To address this issue, grafted ramets C. were used to study floral biology, breeding system progeny performance. The female longevity reached 28.4 days under non-pollination conditions, which was significantly longer than that supplementary pollination (5.5 days) open...

10.1071/bt15184 article EN Australian Journal of Botany 2016-01-01

Heat dissipation from graphene devices is predominantly limited by heat conduction across the metal contacts with complex phonon scattering. In this work, effects of elastic and inelastic scattering on interfacial thermal conductance (ITC) Au/graphene/Au interface are studied using both atomistic Green's function (AGF) reverse non-equilibrium molecular dynamics methods. The results show that contribution to ITC increases enhancement bonding strength. Moreover, overlap vibrational density...

10.1063/5.0184024 article EN Journal of Applied Physics 2024-04-28

Abstract. A milling chamber consisting of a rice sieve and rotating roller plays critical roles in modulating the performance grains. However, mechanism how geometries affect particle collisions interaction time remains not fully understood. Our experimental results show that degree rate broken octagonal are largest among hexagonal sieve, circular sieve. Through discrete element method, we illustrate peak at is attributed to competition between decreasing force increasing with increase...

10.5194/ms-13-15-2022 article EN cc-by Mechanical sciences 2022-01-11

For the severe requirements of BEPCII injecting kicker magnets, two schemes low impedance magnets used in other accelerator labs world are not adaptive to storage ring. A new scheme proposed this article solves difficult problem magnet design. And successful construction a prototype has demonstrated that is viable and design structure reasonable.

10.1109/pac.2005.1590623 article EN Proceedings of the 2003 Particle Accelerator Conference 2006-02-15

Accurate accommodation coefficients are crucial in predicting aerodynamic force and heating hypersonic rarefied flows. This study employs molecular dynamics simulations to investigate the characteristics of non-equilibrium flow its impact on energy coefficient (EAC). Our findings reveal that gas gas-surface interaction region comprises an equilibrium subsonic flow, incident reflected counterpart. Gas-surface gas-gas interactions occur simultaneously as atoms toward solid surface, with latter...

10.2139/ssrn.4665313 preprint EN 2023-01-01

In order to complete the mating and demating operations of electrical connectors for underwater applications in deep water environment, pressure-balanced oil-filled (PBOF) structures are designed compensate huge pressure. This paper focuses on sealing performance three systems used connectors, including O-ring seals, rectangular U-cup seals. A method coupled finite element analysis elastohy-drodynamic lubrication (EHL) numerical model is presented describe issue. Results show that seals...

10.1115/imece2018-86988 article EN 2018-11-09
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