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Related papers: Slip flow regimes in nanofluidics: a universal sup…

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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 consider the flow of a Newtonian fluid in a nano or microchannel with walls that have patterned variations in slip length. We formulate a set of equations to describe the effects on an incompressible Newtonian flow of small variations in…

Fluid Dynamics · Physics 2007-05-23 S. C. Hendy , M. Jasperse , J. Burnell

The number of precise conductance measurements in nanopores is quickly growing. In order to clarify the dominant mechanisms at play and facilitate the characterization of such systems for which there is still no clear consensus, we propose…

Soft Condensed Matter · Physics 2018-07-25 Manoel Manghi , John Palmeri , Khadija Yazda , Francois Henn , Vincent Jourdain

Experimental measurements have reported ultra-fast and radius-dependent water transport in carbon nanotubes which are absent in boron nitride nanotubes. Despite considerable effort, the origin of this contrasting (and fascinating) behaviour…

Materials Science · Physics 2022-02-11 Fabian L Thiemann , Christoph Schran , Patrick Rowe , Erich A Müller , Angelos Michaelides

The remaining dynamical degrees of freedom of molecular fluids confined into capillaries of nano to sub-nanometer diameter are of fundamental relevance for future developments in the field of nanofluidics. These properties cannot be simply…

Stability of lubricating fluid infused slippery surfaces is a concern for scientists and engineers and attempts are being made for its improvement. Lubricating oil coated slippery surface for aqueous drops is one of the important candidates…

Soft Condensed Matter · Physics 2016-08-24 Reeta Pant , Sanjeev Kumar Ujjain , Arun Kumar Nagarajan , Krishnacharya Khare

Motivated by recent experiments [Science {\bf 299}, 1042 (2003)] reporting that carbon nanotubes immersed in a flowing fluid displayed an electric current and voltage, we numerically study the behaviour of a collection of Brownian particles…

Statistical Mechanics · Physics 2007-05-23 Moumita Das , Sriram Ramaswamy , A. K. Sood , G. Ananthakrishna

Molecular dynamics simulations are used to study the occupancy and flow of water through nanotubes comprised of hydrophobic and hydrophilic atoms, which are arranged on a honeycomb lattice to mimic functionalized carbon nanotubes (CNTs). We…

Soft Condensed Matter · Physics 2015-03-13 Ian Moskowitz , Mark A. Snyder , Jeetain Mittal

We report on a new method to characterize nano-hydrodynamic properties at the liquid/solid interface relying solely on the measurement of the thermal motion of confined colloids. Using Fluorescence Correlation Spectroscopy (FCS) to probe…

Soft Condensed Matter · Physics 2015-06-25 L. Joly , C. Ybert , L. Bocquet

A slip model for gas flows in micro/nano-channels induced by external body forces is derived based on Maxwell's collision theory between gas molecules and the wall. The model modifies the relationship between slip velocity and velocity…

Fluid Dynamics · Physics 2010-07-27 Q. D. To , C. Bercegeay , G. Lauriat , C. Leonard , G. Bonnet

Current theories of nanochannel flow impose no upper bound on flow rates, and predict friction through nanochannels can be vanishingly small. We reassess neglecting channel entry effects in extremely long channels and find violations at the…

Fluid Dynamics · Physics 2011-07-18 Thomas B. Sisan , Seth Lichter

Molecular dynamics (MD) simulations have been carried out to investigate the slip of fluid in the lid driven cavity flow where the no-slip boundary condition causes unphysical stress divergence. The MD results not only show the existence of…

Fluid Dynamics · Physics 2007-05-23 Tiezheng Qian , Xiao-Ping Wang

Spontaneous entry of water molecules inside single-wall carbon nanotubes (SWCNTs) has been confirmed by both simulations and experiments. Using molecular dynamics simulations, we have studied the thermodynamics of filling of a (6,6) carbon…

Mesoscale and Nanoscale Physics · Physics 2015-01-27 Hemant Kumar , Chandan Dasgupta , Prabal K. Maiti

Carbon nanotubes (CNTs) are well known for their exceptional thermal, mechanical and electrical properties. For many CNT applications it is of the foremost importance to know their frictional properties. However, very little is known about…

Materials Science · Physics 2015-07-20 Marcel Lucas , Xiaohua Zhang , Ismael Palaci , Christian Klinke , Erio Tosatti , Elisa Riedo

We characterize the electrokinetic flow due to the transport of electrolytes embedded in nanochannels of varying cross-section with inhomogeneous slip on their walls, modeled as an effective slip length on the channel wall. We show that,…

Fluid Dynamics · Physics 2025-04-10 F. Carusela , J. Harting , P. Malgaretti

In a recent Letter (Phys. Rev. Lett. vol 96, 066001 (2006), ref [1]), Choi and Kim reported slip lengths of a few tens of microns for water on nanoengineered superhydrophobic surfaces, on the basis of rheometry (cone-and-plate)…

Soft Condensed Matter · Physics 2009-11-11 Lyderic Bocquet , Patrick Tabeling , Sebastien Manneville

We demonstrate that "moderate" departures from the no-slip hydrodynamic boundary condition (hydrodynamic slip lengths in the nanometer range) can result in a very large enhancement - up to two orders of magnitude- of most interfacially…

Soft Condensed Matter · Physics 2009-11-11 Armand Ajdari , Lyderic Bocquet

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

Nanofluidics has firmly established itself as a new field in fluid mechanics, as novel properties have been shown to emerge in fluids at the nanometric scale. Thanks to recent developments in fabrication technology, artificial nanofluidic…

Fluid Dynamics · Physics 2020-12-01 Nikita Kavokine , Roland R. Netz , Lydéric Bocquet

We present a versatile setup for investigating the nanofluidic behavior of nanoparticles as a function of the gap distance between two confining surfaces. The setup is designed as an open system which operates with small amounts of…

Soft Condensed Matter · Physics 2017-01-17 Stefan Fringes , Felix Holzner , Armin W. Knoll