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A two-dimensional strongly-coupled dusty plasma is modeled using Langevin and frictionless molecular dynamical simulations. The static viscosity $\eta$ and the wave-number-dependent viscosity $\eta(k)$ are calculated from the microscopic…

等离子体物理 · 物理学 2015-03-19 Yan Feng , J. Goree , Bin Liu

The main causes of energy dissipation in micro- and nano-scale wetting are viscosity and liquid-solid friction localized in the three-phase contact line region. Theoretical models predict the contactline friction coefficient to correlate…

流体动力学 · 物理学 2024-02-12 Michele Pellegrino , Berk Hess

We present a numerical study on geometric percolation in liquid dispersions of hard slender colloidal particles subjected to an external orienting field. In the formulation and liquid-state processing of nanocomposite materials, the…

软凝聚态物质 · 物理学 2020-02-26 Shari P. Finner , Ilian Pihlajamaa , Paul van der Schoot

We perform molecular dynamics simulations to understand the translational and rotational diffusion of Janus nanoparticles at the interface between two immiscible fluids. Considering spherical particles with different affinity to fluid…

流体动力学 · 物理学 2016-05-04 Hossein Rezvantalab , German Drazer , Shahab Shojaei-Zadeh

The viscosity of supercooled liquids notably increases with decreasing temperature, leading to solidification through a glass transition. This process is accompanied by dynamic heterogeneity, characterized by persistent dynamic spatial…

软凝聚态物质 · 物理学 2024-09-30 Kento Maeda , Atsushi Ikeda

Non-equilibrium molecular dynamics (NEMD) simulations of fluid flow have highlighted the peculiarities of nanoscale flows compared to classical fluid mechanics; in particular, boundary conditions can deviate from the no-slip behavior at…

软凝聚态物质 · 物理学 2025-03-11 Giorgia Marcelli , Tecla Bottinelli Montandon , Roya Ebrahimi Viand , Felix Höfling

Super-cooled liquids are characterized by their fragility: the slowing down of the dynamics under cooling is more sudden and the jump of specific heat at the glass transition is generally larger in fragile liquids than in strong ones.…

无序系统与神经网络 · 物理学 2014-01-14 Le Yan , Gustavo Düring , Matthieu Wyart

For nearly a century, introduction of nanoparticles to elastomers has yielded extraordinarily tough nanocomposites that are critical to technologies from actuators to tires. The mechanisms by which this reinforcement occurs have…

软凝聚态物质 · 物理学 2025-09-08 Pierre Kawak , Harshad Bhapkar , David S. Simmons

We use molecular dynamics simulation to study the relationship between structure and dynamics in supercooled binary Lennard--Jones nanoparticles over a range of particle sizes. The glass transition temperature of the nanoparticles is found…

软凝聚态物质 · 物理学 2025-05-15 Weikai Qi , Shreya Tiwary , Richard K. Bowles

We perform experimental study of turbulent transport of nanoparticles in convective turbulence with the Rayleigh number $\sim 10^8$ in the air flow. We measure temperature field in many locations by a temperature probe equipped with 11…

流体动力学 · 物理学 2022-09-20 I. Shimberg , O. Shriki , O. Shildkrot , N. Kleeorin , A. Levy , I. Rogachevskii

A viscous, incompressible, micropolar bio-nanofluid flowing across a stretching sheet in three dimensions while being driven to convect several slip boundaries in the presence of a magnetic field was studied. With the assistance of the…

流体动力学 · 物理学 2025-10-14 Bahram Jalili , Salar Ghadiri Alamdari , Payam Jalili , Davood Domiri Ganji

Nanoscale topographic features of solid surfaces can induce complex metastable behavior in colloidal and multiphase systems. Recent studies on single microparticle adsorption at liquid interfaces have reported a crossover from fast…

软凝聚态物质 · 物理学 2018-04-27 Bibin M. Jose , Dhiraj Nandyala , Thomas Cubaud , Carlos E. Colosqui

Recent progress in extraction of unconventional hydrocarbon resources has ignited the interest in the studies of nanoporous media. Since many thermodynamic and mechanical properties of nanoscale solids and fluids differ from the analogous…

地球物理 · 物理学 2018-01-08 Gennady Y. Gor , Boris Gurevich

Thermo-osmosis refers to fluid migration due to temperature gradient. The mechanistic understanding of thermo-osmosis in charged nano-porous media is still incomplete, while it is important for several environmental and energy applications,…

化学物理 · 物理学 2023-07-14 Wei Qiang Chen , Andrey P Jivkov , Majid Sedighi

Time evolution of shear viscosity $\eta$, entropy density $s$, and their ratio $\eta / s$ in the central area of central gold-gold collisions at NICA energy range is studied within the UrQMD transport model. The extracted values of energy…

核理论 · 物理学 2020-01-15 M. Teslyk , L. Bravina , O. Panova , O. Vitiuk , E. Zabrodin

Dimensions and molecular structure play pivotal roles in the principle of heat conduction. The dimensional characteristics of solution within nanoscale systems depend on the degrees of confinement. However, the influence of such variations…

软凝聚态物质 · 物理学 2024-05-14 Shun Imamura , Yusei Kobayashi , Eiji Yamamoto

The thermal conductivity of nanoparticles colloidal suspensions, submitted to the action of an external force field has been calculated by non equilibrium molecular dynamics simulations. For driven forces in the radio frequency and…

介观与纳米尺度物理 · 物理学 2008-01-25 Clément Le Goff , Philippe Ben-Abdallah , Gilberto Domingues , Ahmed Ould El Moctar

Periodic assemblies of nanoparticles are central to surface patterning, with applications in biosensing, energy conversion, and nanofabrication. Evaporation of colloidal droplets on substrates provides a simple yet effective route to…

软凝聚态物质 · 物理学 2026-01-29 Suman Bhattacharjee , Sanjoy Khawas , Sunita Srivastava

A liquid volume containing dissolved solutes moves through a charged nanofluidic channel under the influence of the concentration gradient of the solutes, non-trivially modulated by the electrostatic interaction between ionic liquid and…

流体动力学 · 物理学 2023-08-31 Pranab Kumar Mondal

(1) Introduction: Nanoparticles have multiple applications, including drug delivery systems, biosensing, and carbon capture. Non-Einstein-like viscosity reduction has been reported in nanoparticle-polymer blends at low nanoparticle…