Results 41 to 50 of about 8,156,149 (340)

Quantitative estimation of effective viscosity in quantum turbulence [PDF]

open access: yesPhysical Review A, 2018
We study freely decaying quantum turbulence by performing high-resolution numerical simulations of the Gross-Pitaevskii equation (GPE) in the Taylor-Green geometry. We use resolutions ranging from 10243 to 40963 grid points.
V. Shukla   +4 more
semanticscholar   +1 more source

Determination of Molecular Weight and Viscosity of Irradiated Polystyrene

open access: yesمجلة بغداد للعلوم, 2023
  The varied applications of polystyrene in various fields of life led to examining the cause of radiation influence on some rheological behavior of commercial Polystyrene (PS) solution in the chloroform (CHCl3) solvent.
Baydaa Jaber Nabhan   +3 more
doaj   +1 more source

Transport Coefficients from Extremal Gauss-Bonnet Black Holes [PDF]

open access: yes, 2010
We calculate the shear viscosity of strongly coupled field theories dual to Gauss-Bonnet gravity at zero temperature with nonzero chemical potential.
Cai, Rong-Gen, Liu, Yan, Sun, Ya-Wen
core   +1 more source

Phenomenological model of effective viscosity of oil material during extrusion processing

open access: yesНовые технологии, 2019
The aim of the research is to study the effective viscosity of oil-bearing material during the extraction process during extrusion processing of oil-bearing materials in the FP press.
A. V. Gukasyan
doaj   +1 more source

The effect of effective rock viscosity on 2-D magmatic porosity waves [PDF]

open access: yesSolid Earth, 2019
In source regions of magmatic systems the temperature is above solidus, and melt ascent is assumed to occur predominantly by two-phase flow, which includes a fluid phase (melt) and a porous deformable matrix.
J. Dohmen, H. Schmeling, J. P. Kruse
doaj   +1 more source

Effective viscosity of dispersions approached by a statistical continuum method [PDF]

open access: yes, 1983
The problem of the determination of the effective viscosity of disperse systems (emulsions, suspensions) is considered. On the basis of the formal solution of the equations governing creeping flow in a statistically homogeneous dispersion, the effective ...
Mellema, J., Willemse, M.W.M.
core   +4 more sources

Phenomenological Approach of the Effective Viscosity of Hard Sphere Suspensions in Shear-Thinning Media

open access: yesApplied Rheology, 2006
In this work we investigate the rheological behaviour of macroscopic buoyant hard spheres dispersed in a shear-thinning suspending fluid. We focus on the phenomenological study of the influence of the shear-thinning behaviour of the suspending medium on ...
Peysson Y., Aubry T., Moan M.
doaj   +1 more source

Hall viscosity and electromagnetic response of electrons in graphene [PDF]

open access: yes, 2016
We derive an analytic expression for the geometric Hall viscosity of non-interacting electrons in a single graphene layer in the presence of a perpendicular magnetic field. We show that a recently-derived formula in [C. Hoyos and D. T. Son, Phys.
Principi, Alessandro   +2 more
core   +2 more sources

Viscosity in cosmic fluids

open access: yesEuropean Physical Journal C: Particles and Fields, 2020
The effective theory of large-scale structure formation based on $$\Lambda $$ Λ CDM paradigm predicts finite dissipative effects in the resulting fluid equations. In this work, we study how viscous effect that could arise if one includes self-interaction
Pravin Kumar Natwariya   +2 more
doaj   +1 more source

Rheological properties of a dilute suspension of self-propelled particles

open access: yes, 2014
With a detail microscopic model for a self-propelled swimmer, we derive the rheological properties of a dilute suspension of such particles at small Peclet numbers.
Moradi, Moslem, Najafi, Ali
core   +1 more source

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