English
Related papers

Related papers: Green-Kubo relation for viscosity tested using exp…

200 papers

A shear flow of particles in a laser-driven two-dimensional (2D) dusty plasma are observed in a further study of viscous heating and thermal conduction. Video imaging and particle tracking yields particle velocity data, which we convert…

Plasma Physics · Physics 2015-06-11 Yan Feng , J. Goree , Bin Liu

We report on experimental evidence of visco-elastic effects in a strongly coupled dusty plasma through investigations of the propagation characteristics of low frequency dust acoustic waves and by excitations of transverse shear waves in a…

Plasma Physics · Physics 2016-04-19 P. Bandyopadhyay , G. Prasad , A. Sen , P. K. Kaw

Rayleigh-Taylor and Buoyancy-driven instabilities are very common instabilities for an inhomogeneous medium. We examine here how these instabilities grow for incompressible viscoelastic fluids like a strongly coupled dusty plasma by using…

Plasma Physics · Physics 2021-04-21 Vikram S. Dharodi , Amita Das

The longitudinal viscosity $\eta_l$ is obtained for a two-dimensional (2D) liquid using a Green-Kubo method with a molecular dynamics simulation. The interparticle potential used has the Debye-H\"{u}ckel or Yukawa form, which models a 2D…

Plasma Physics · Physics 2015-06-12 Yan Feng , J. Goree , Bin Liu

We have developed a Green-Kubo relation that enables accurate calculations of friction at solid-liquid interfaces directly from equilibrium molecular dynamics (MD) simulations and that provides a pathway to bypass the time-scale limitations…

Statistical Mechanics · Physics 2016-08-08 Kai Huang , Izabela Szlufarska

We investigate the dynamics of large dust grains in massive lopsided transition discs via 2D hydrodynamical simulations including both gas and dust. Our simulations adopt a ring-like gas density profile that becomes unstable against the…

Earth and Planetary Astrophysics · Physics 2016-05-04 Clément Baruteau , Zhaohuan Zhu

Heat transport in a three-dimensional complex (dusty) plasma was experimentally studied in microgravity conditions using Plasmakristall-4 (PK-4) instrument on board the International Space Station (ISS). An extended suspension of…

Plasma Physics · Physics 2021-11-24 V. Nosenko , S. Zhdanov , M. Pustylnik , H. M. Thomas , A. M. Lipaev , O. V. Novitskii

We analyze the friction force exerted on a small probe particle sliding over an atomic-scale surface by means of a Green-Kubo relation and classical Molecular Dynamics simulations. We find that, on the atomic scale, the friction tensor can…

Statistical Mechanics · Physics 2020-06-17 Miru Lee , Richard L. C. Vink , Matthias Krüger

Dust particles immersed within a plasma environment, such as those found in planetary rings or cometary environments, will acquire an electric charge. If the ratio of interparticle potential energy to average kinetic energy is high enough…

Plasma Physics · Physics 2009-11-10 C. M. Boesse , M. K. Henry , T. W. Hyde , L. S. Matthews

In part I (arXiv:2006.12393) (accepted in JPP), we simulated individual dynamics of a rising bubble and a falling droplet in an incompressible limit of a strongly coupled dusty plasma (SCDP) using a generalized hydrodynamic viscoelastic…

Plasma Physics · Physics 2021-03-09 Vikram S. Dharodi1

Collections of micrometer sized solid particles immersed in plamsa are used to mimic many systems from solid state and fluid physics, due to their strong electrostatic interaction, their large inertia, and the fact that they are large…

Plasma Physics · Physics 2009-11-13 V. Land , W. J. Goedheer

A new method called `Configurational Temperature' is introduced in the context of dusty plasma, where the temperature of the dust particles, submerged in the plasma, can be measured directly from the positional information of the individual…

Plasma Physics · Physics 2020-06-24 Rupak Mukherjee , Surabhi Jaiswal , Manish K Shukla , Ammar Hakim , Edward Thomas

A self-consistent fluid model developed for simulations of micro- gravity dusty plasma experiments has for the first time been used to model asymmetric dusty plasma experiments in a modified GEC reference cell with gravity. The numerical…

Plasma Physics · Physics 2015-05-13 Victor Land , Erica Shen , Bernard Smith , Lorin Matthews , Truell Hyde

We studied the connection between the structural relaxation and viscosity for a binary model of repulsive particles in the supercooled liquid regime. The used approach is based on the decomposition of the macroscopic Green-Kubo stress…

Materials Science · Physics 2017-12-06 V. A. Levashov

We determine the shear viscosity of a hot and dense Yukawa-Fermi gas, using the standard Green-Kubo relation, according to which the shear viscosity is given by the retarded correlator of the traceless part of viscous energy-momentum…

High Energy Physics - Phenomenology · Physics 2016-01-20 N. Sadooghi , F. Taghinavaz

Small quasi-two-dimensional (2D) dust clusters consisting of three to eleven particles are formed in an argon plasma under varying rf power. Their normal modes are investigated through their mode spectra obtained from tracking thermal…

Plasma Physics · Physics 2015-06-22 Ke Qiao , Jie Kong , Jorge Carmona , Lorin S. Matthews , Truell W. Hyde

A numerical study of the homo-interactions between two falling droplets and between two rising bubbles in a strongly coupled dusty plasma medium is presented in this article. This strongly coupled dusty plasma is considered as a…

Plasma Physics · Physics 2024-03-26 Vikram Dharodi , Evdokiya Kostadinova

We investigate the dynamics of interstellar dust particles in moderately high resolution ($512^3$ grid points) simulations of forced compressible transonic turbulence including self-gravity of the gas. Turbulence is induced by stochastic…

Astrophysics of Galaxies · Physics 2021-12-07 Lars Mattsson , Robert Hedvall

A generalized hydrodynamic (GHD) model depicting the behaviour of visco-elastic fluids has often been invoked to explore the behaviour of a strongly coupled dusty plasma medium below their crystallization limit. The model has been…

Plasma Physics · Physics 2015-06-22 Vikram Singh Dharodi , Sanat Kumar Tiwari , Amita Das

In this work, we use the Green-Kubo method to study the bulk viscosity of various dilute gases and their mixtures. First, we study the effects of the atomic mass on the bulk viscosity of dilute diatomic gas by estimating the bulk viscosity…

Fluid Dynamics · Physics 2022-07-12 Bhanuday Sharma , Rakesh Kumar , Savitha Pareek