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- Prediction of fluid velocity slip at solid surfaces
- Hansen, J. S.; Todd, B. D.; Daivis, Peter J.
- The observed flow enhancement in highly confining geometries is believed to be caused by fluid velocity slip at the solid wall surface. Here we present a simple and highly accurate method to predict this slip using equilibrium molecular dynamics. Unlike previous equilibrium molecular dynamics methods, it allows us to directly compute the intrinsic wall-fluid friction coefficient rather than an empirical friction coefficient that includes all sources of friction for planar shear flow. The slip length predicted by our method is in excellent agreement with the slip length obtained from direct nonequilibrium molecular dynamics simulations.
- Publication type
- Journal article
- Research centre
- Swinburne University of Technology. Faculty of Engineering and Industrial Sciences
- Research centre
- Swinburne University of Technology. Faculty of Information and Communication Technologies. Centre for Molecular Simulation
- Physical Review E, Vol. 84, no. 1 (Jul 2011), article no. 016313
- Publication year
- FOR Code(s)
- 01 Mathematical Sciences; 02 Physical Sciences; 09 Engineering
- Boundary conditions; Interfaces; Liquids; Molecular dynamics; Simulations
- American Physical Society
- Publisher URL
- Copyright © 2011 American Physical Society. Published version of this paper reproduced here with the kind permission of the publisher.
- Research Projects
Computational nanofluidics, Australian Research Council grant number DP0663759
- Full text
- Peer reviewed