Articles with "nonequilibrium" as a keyword



Direct Observation of Substantial Phonon Nonequilibrium Near Nanoscale Hotspots in Gallium Nitride

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Published in 2025 at "Advanced Science"

DOI: 10.1002/advs.202411040

Abstract: Phonon modal nonequilibrium is believed to widely exist around nanoscale hotspots, which can significantly affect the performance of nano‐electronic and optoelectronic devices. However, such a phenomenon has not been explicitly observed in 3D device semiconductors… read more here.

Keywords: phonon; nanoscale hotspots; nonequilibrium; substantial phonon ... See more keywords

Engineering Nonequilibrium Superconducting Phases in a Voltage‐Driven Superconductor Under an External Magnetic Field

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Published in 2025 at "Annalen der Physik"

DOI: 10.1002/andp.202500102

Abstract: Nonequilibrium properties of a normal metal‐superconductor‐normal metal (NSN) junction are theoretically investigated under an external magnetic field. When a bias voltage is applied between the normal‐metal leads, the confined superconductor is driven out of equilibrium,… read more here.

Keywords: distribution; nonequilibrium; external magnetic; voltage ... See more keywords

Conductivity and Diffusivity of Ions in Aqueous MgCl2 from Equilibrium and Nonequilibrium Simulations.

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Published in 2025 at "Journal of chemical theory and computation"

DOI: 10.1021/acs.jctc.5c00236

Abstract: Advanced electrochemical energy storage technologies require new electrolytes to be considered, so efficient computational characterization of ionic conductivity in a range of systems is of importance. In this manuscript we compare different equilibrium (EMD) and… read more here.

Keywords: conductivity diffusivity; nonequilibrium; conductivity; equilibrium ... See more keywords

A multi-component discrete Boltzmann model for nonequilibrium reactive flows

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Published in 2017 at "Scientific Reports"

DOI: 10.1038/s41598-017-14824-9

Abstract: We propose a multi-component discrete Boltzmann model (DBM) for premixed, nonpremixed, or partially premixed nonequilibrium reactive flows. This model is suitable for both subsonic and supersonic flows with or without chemical reaction and/or external force.… read more here.

Keywords: nonequilibrium; multi component; boltzmann; model ... See more keywords

Equilibrium states corresponding to targeted hyperuniform nonequilibrium pair statistics.

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Published in 2022 at "Soft matter"

DOI: 10.1039/d2sm01294d

Abstract: The Zhang-Torquato conjecture [G. Zhang and S. Torquato, Phys. Rev. E, 2020, 101, 032124.] states that any realizable pair correlation function g2(r) or structure factor S(k) of a translationally invariant nonequilibrium system can be attained… read more here.

Keywords: pair statistics; nonequilibrium; higher order; hyperuniform ... See more keywords

Quasi-classical trajectory-based non-equilibrium chemical reaction models for hypersonic air flows

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Published in 2019 at "Physics of Fluids"

DOI: 10.1063/1.5119147

Abstract: Phenomenological models, such as Park’s widely used two temperature model, overpredict the reaction rate coefficients at vibrationally cold conditions and underpredict it at vibrationally hot conditions. To this end, two new chemical reaction models, the… read more here.

Keywords: temperature; reaction models; nonequilibrium; model ... See more keywords

Sensitivity of nonequilibrium Casimir forces on low frequency optical properties toward chaotic motion of microsystems: Drude vs plasma model.

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Published in 2020 at "Chaos"

DOI: 10.1063/1.5140076

Abstract: Here, we investigate the sensitivity of nonequilibrium Casimir forces to optical properties at low frequencies via the Drude and plasma models and the associated effects on the actuation of microelectromechanical systems. The stability and chaotic… read more here.

Keywords: motion; system; drude plasma; nonequilibrium ... See more keywords
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Three-dimensional multiple-relaxation-time discrete Boltzmann model of compressible reactive flows with nonequilibrium effects

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Published in 2021 at "AIP Advances"

DOI: 10.1063/5.0047480

Abstract: Based on the kinetic theory, a three-dimensional multiple-relaxation-time discrete Boltzmann model (DBM) is proposed for nonequilibrium compressible reactive flows where both the Prandtl number and specific heat ratio are freely adjustable. There are 30 kinetic… read more here.

Keywords: three dimensional; reactive flows; nonequilibrium; model ... See more keywords

An improved continuum model for hypersonic thermal nonequilibrium flow in the near-continuum regime

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Published in 2024 at "Physics of Fluids"

DOI: 10.1063/5.0202866

Abstract: In this work, the rarefied Couette flow of diatomic gases with thermal nonequilibrium effects is investigated by the direct simulation Monte Carlo (DSMC) method, and a macroscopic computational model is developed to consider the local… read more here.

Keywords: nonequilibrium; continuum regime; model; thermal nonequilibrium ... See more keywords

Numerical study of shock-induced thermochemical nonequilibrium effects in a high Mach flow field

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Published in 2024 at "Physics of Fluids"

DOI: 10.1063/5.0229000

Abstract: As Mach number increases, thermochemical nonequilibrium is recognized as potentially affecting the flow field structure, as well as mixing and combustion characteristics, where shock-induced thermochemical nonequilibrium is a common and crucial phenomenon in compressible flow… read more here.

Keywords: flow field; nonequilibrium; shock induced; thermochemical nonequilibrium ... See more keywords

Effect of nitric oxide vibrational excitation and simplified state-to-state model in high enthalpy nonequilibrium flows

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Published in 2025 at "Physics of Fluids"

DOI: 10.1063/5.0284828

Abstract: Nitric oxide (NO), as one of the most accessible targets for optical diagnostics, has its concentration, thermodynamic state, and influence on flow dynamics identified as key research focuses in high-temperature aerodynamics. For thermochemical nonequilibrium air… read more here.

Keywords: state state; nonequilibrium; sts model; model ... See more keywords