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A model polydisperse fluid represents many real fluids such as colloidal suspensions and polymer solutions. In this study, considering a concentrated size-polydisperse hard sphere fluid with size derived from two different distribution…

软凝聚态物质 · 物理学 2022-11-23 Thokchom Premkumar Meitei , Lenin S. Shagolsem

The viscosity and self-diffusion constant of particle-based mesoscale hydrodynamic methods, multi-particle collision dynamics (MPC) and dissipative particle dynamics (DPD), are investigated, both with and without angular-momentum…

软凝聚态物质 · 物理学 2009-11-13 Hiroshi Noguchi , Gerhard Gompper

Dynamic processes in dispersions of charged spherical particles are of importance both in fundamental science, and in technical and bio-medical applications. There exists a large variety of charged-particles systems, ranging from…

软凝聚态物质 · 物理学 2013-11-25 G. Nägele , M. Heinen , A. J. Banchio , C. Contreras-Aburto

We investigate general frameworks for calculating transport coefficients for quasiparticle theories at finite temperature. Hadronic transport coefficients are then computed using the linear sigma model (LSM). The bulk viscosity over entropy…

高能物理 - 唯象学 · 物理学 2021-01-21 Matthew Heffernan , Sangyong Jeon , Charles Gale

We calculate transport coefficients from the Chapman--Enskog expansion with BGK collision operators, obtaining exactly $\kappa = \frac{5nT}{2m\nu}$, and show that maximum entropy closure yields identical results when applied with the same…

等离子体物理 · 物理学 2025-08-19 Justo Karell

We study the transport properties of an impurity in a sheared granular gas, in the framework of the Boltzmann equation for inelastic Maxwell models. We investigate here the impact of a nonequilibrium phase transition found in such systems,…

统计力学 · 物理学 2016-07-15 Vicente Garzó , Emmanuel Trizac

Buoyancy-thermocapillary convection in a layer of volatile liquid driven by a horizontal temperature gradient arises in a variety of situations. Recent studies have shown that the composition of the gas phase, which is typically a mixture…

流体动力学 · 物理学 2018-01-16 Roman O. Grigoriev , Tongran Qin

Transport coefficients in Lorentz plasma with the power-law kappa-distribution are studied by means of using the transport equation and macroscopic laws of Lorentz plasma without magnetic field. Expressions of electric conductivity,…

等离子体物理 · 物理学 2013-09-10 Jiulin Du

We derive the pressure tensor and the heat flux to accompany the new macroscopic conservation equations that we developed previously in a volume-based kinetic framework for gas flows. This kinetic description allows for expansion or…

流体动力学 · 物理学 2007-05-23 S. Kokou Dadzie , Jason M. Reese

We formulate a thermodynamically consistent continuum theory for compressible, viscous, heat-conducting fluids in which the velocity entering the balance of mass is distinguished from the specific linear momentum entering the balances of…

流体动力学 · 物理学 2026-04-28 Luis Espath , Eliot Fried

We investigate temperature dependent behavior of various transport coefficients in a dynamical holographical QCD model. We show the nontrivial temperature dependent behavior of the transport coefficients, like bulk viscosity, electric…

高能物理 - 唯象学 · 物理学 2014-11-20 Danning Li , Song He , Mei Huang

We prove that traveling waves in viscous compressible liquids are a generic phenomenon. The setting for our result is a horizontally infinite, finite depth layer of compressible, barotropic, viscous fluid, modeled by the free boundary…

偏微分方程分析 · 数学 2023-01-03 Noah Stevenson , Ian Tice

The steady compressible Navier--Stokes--Fourier system is considered, with either Dirichlet or Navier boundary conditions for the velocity and the heat flux on the boundary proportional to the difference of the temperature inside and…

偏微分方程分析 · 数学 2015-11-23 Piotr B. Mucha , Milan Pokorný , Ewelina Zatorska

Shale gas recovery has seen a major boom in recent years due to the increasing global energy demands; but the extraction technologies are very expensive. It is therefore important to develop realistic transport modelling and simulation…

流体动力学 · 物理学 2016-10-18 Iftikhar Ali , Nadeem A. Malik

We study uncharged Rindler hydrodynamics at second order in the derivative expansion. The equation of state of the theory is given by a vanishing equilibrium energy density. We derive relations among the transport coefficients by employing…

高能物理 - 理论 · 物理学 2015-06-15 Adiel Meyer , Yaron Oz

The thermal transport coefficients in a weakly magnetized quark-gluon plasma have been investigated within the ambit of a quasiparticle model to encode the effects of the realistic equation of state. The presence of a weak magnetic field…

核理论 · 物理学 2020-07-27 Manu Kurian

We consider a system of equations governing the motion of a viscous, compressible, and heat conducting liquid-like fluid, with a general EOS of Mie-Grueneisen type. In addition, we suppose that the viscosity coefficients may decay to zero…

偏微分方程分析 · 数学 2016-08-24 Eduard Feireisl , Antonin Novotny , Yongzhong Sun

We calculate two transport coefficients -- the shear viscosity over entropy ratio $\eta/s$ and the ratio of the electric conductivity to the temperature $\sigma_0/T$ -- of strongly interacting quark matter within the extended $N_f=3$…

核理论 · 物理学 2021-05-12 Olga Soloveva , David Fuseau , Jörg Aichelin , Elena Bratkovskaya

We compute second order transport coefficients of the dilute Fermi gas at unitarity. The calculation is based on kinetic theory and the Boltzmann equation at second order in the Knudsen expansion. The second order transport coefficients…

量子气体 · 物理学 2014-11-05 Thomas Schaefer

We consider a new kinetic equation for systems with a multistep potential of interaction proposed by us recently in Physica A 234 (1996) 89. This potential consists of the hard sphere part and a system of attractive and repulsive walls.…

统计力学 · 物理学 2007-05-23 M. V. Tokarchuk , I. P. Omelyan , A. E. Kobryn
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