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Related papers: Enhanced flow of core-softened fluids through nano…

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We analyse surface-fluctuations-driven fluid flow through nano-channels to investigate the interplay between boundary layer flow structures and the bulk flow of fluid under a pressure-head. Surface fluctuations of a wide range of…

Fluid Dynamics · Physics 2024-04-09 Aakash Anand , A. Bhattacharyay

Measurements of the surface diffusivity of colloidal spheres translating along a vapor/liquid inter- face show an unexpected decrease in diffusivity, or increase in surface drag (from the Stokes-Einstein relation) when the particles situate…

Soft Condensed Matter · Physics 2016-07-08 Joel Koplik , Charles Maldarelli

The purpose of this article is to study the statics and dynamics of nanotubes by using the methods of continuum mechanics. The nanotube can be filled with only a liquid or a vapour phase according to the physicochemical characteristics of…

Fluid Dynamics · Physics 2013-11-12 Henri Gouin

New experimental results, and a plausible theoretical understanding thereof, are presented for the flow-induced currents and voltages observed in single-walled carbon nanotube samples. In our experiments, the electrical response was found…

Other Condensed Matter · Physics 2009-11-10 S. Ghosh , A. K. Sood , S. Ramaswamy , N. Kumar

Molecular dynamics simulations of sorbates of different sizes confined to the interior of carbon nanotubes are reported. The mean squared displacement shows gradual change from diffusive for small sorbates to superdiffusive for intermediate…

Materials Science · Physics 2007-05-23 Shreyas Y. Bhide , Debashree Ghosh , S. Yashonath , G. Ananthakrishna

The present article presents a molecular dynamics study of several anomalies of core-softened systems. It is well known that many core-softened liquids demonstrate diffusion anomaly. Usual intuition relates the diffusion coefficient to…

Soft Condensed Matter · Physics 2015-06-15 Yu. D. Fomin , V. N. Ryzhov

We have performed quantum Monte Carlo simulations measuring the finite size and temperature superfluid response of helium-4 to the linear and rotational motion of the walls of a nanopore. Within the two-fluid model, the portion of the…

Mesoscale and Nanoscale Physics · Physics 2013-09-04 B. Kulchytskyy , G. Gervais , A. Del Maestro

Observations of an enhanced mass transfer in nanofluids have led to several propositions for the underlying cause, but none of them have been clearly established. Here, we reproduce the enhancement phenomenon within a glass capillary…

Soft Condensed Matter · Physics 2017-03-07 Rakhi Dhuria , Varun Dalia , P Sunthar

In this article we investigate through molecular dynamics simulations the diffusion behavior of the TIP4P/2005 water when confined in pristine and deformed carbon nanotubes (armchair and zigzag). To analyze different diffusive mechanisms,…

Soft Condensed Matter · Physics 2021-02-03 Bruno H. S. Mendonça , Patricia Ternes , Evy Salcedo , Alan B. de Oliveira , Marcia C. Barbosa

We present a molecular dynamics study of the flow of rigid spherical nanoparticles in a simple fluid. We evaluate the viscosity of the dispersion as a function of shear rate and nanoparticle volume fraction. We observe shear thinning…

Soft Condensed Matter · Physics 2020-07-15 Ekin Küçüksönmez , James Servantie

Despite mass flow is arguably the most elementary transport associated to nanofluidics, its measurement still constitutes a significant bottleneck for the development of this promising field. Here, we investigate how a liquid flow perturbs…

Soft Condensed Matter · Physics 2020-01-29 Simon Gravelle , Christophe Ybert

The use of CO2 as a natural refrigerant in data center cooling, oil recovery and in CO2 capture and storage which is gaining traction in recent years involves heat transfer between CO2 and the base fluid. A need arises to improve the…

Applied Physics · Physics 2017-09-04 Zeeshan Ahmed , Ajinkya Sarode , Pratik Basarkar , Atul Bhargav , Debjyoti Banerjee

We review quantum Monte Carlo results on energetic and structure properties of quantum fluids adsorbed in a bundle of carbon nanotubes. Using realistic interatomic interactions the different adsorption sites that a bundle offer are…

Materials Science · Physics 2015-05-13 M. C. Gordillo , J. Boronat

Large-scale molecular dynamics simulations are used to simulate a layer of nanoparticles diffusing on the surface of a liquid. Both a low viscosity liquid, represented by Lennard-Jones monomers, and a high viscosity liquid, represented by…

Soft Condensed Matter · Physics 2013-01-10 Shengfeng Cheng , Gary S. Grest

In this work the conduction of ion-water solution through two discrete bundles of armchair carbon and silicon carbide nanotubes, as useful membranes for water desalination, is studied. In order that studies on different types of nanotubes…

Atomic and Molecular Clusters · Physics 2017-08-17 Mara Cantoni , Edovardo Imalini

The friction between concentric carbon nanotubes sliding one inside the other has been widely studied and simulated, but not so far using external force as the driving variable. Our molecular dynamics (MD) simulations show that as the…

Materials Science · Physics 2011-11-10 Xiao-Hua Zhang , Ugo Tartaglino , Giuseppe E. Santoro , Erio Tosatti

Spatial confinement in nanoporous media affects the structure, thermodynamics and mobility of molecular soft matter often markedly. This article reviews thermodynamic equilibrium phenomena, such as physisorption, capillary condensation,…

Soft Condensed Matter · Physics 2015-02-17 Patrick Huber

We investigate the dynamics of pressure driven transient flows of incompressible Newtonian fluids through circular microtubes having thin elastic walls under the long-wavelength and small deformation assumptions, which are valid for many…

Fluid Dynamics · Physics 2012-12-04 Omer San , Anne E. Staples

We perform ab initio density functional calculations to study the flow of water, methanol and dimethyl ether through nanotubes of carbon and boron nitride with different diameters and chiralities. The liquids we choose are important…

Materials Science · Physics 2021-07-01 Andrii Kyrylchuk , David Tománek

Molecular dynamics simulation is utilized to investigate the ionic transport of NaCl in solution through a graphene nanopore under an applied electric field. Results show the formation of concentration polarization layers in the vicinity of…

Biological Physics · Physics 2013-01-10 Guohui Hu , Mao Mao , Sandip Ghosal