2020年3月30日
Equilibrium measurement method of slip length based on fluctuating hydrodynamics
Physical Review E
- ,
- 巻
- 101
- 号
- 3
- 開始ページ
- 33109
- 終了ページ
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1103/physreve.101.033109
- 出版者・発行元
- American Physical Society (APS)
We perform equilibrium molecular dynamics simulations for nanoscale fluids confined between two parallel walls and investigate how the autocorrelation function of force acting on one wall is related to the slip length. We demonstrate that for atomically smooth surfaces, the autocorrelation function is accurately described by linearized fluctuating hydrodynamics (LFH). Excellent agreement between the simulation and the LFH solution is found over a wide range of scales, specifically, from the timescale of fluid relaxation even to that of molecular motion. Fitting the simulation data yields a reasonable estimation of the slip length. We show that LFH provides a starting point for examining the relationship between the slip length and the force fluctuations.
- リンク情報
-
- DOI
- https://doi.org/10.1103/physreve.101.033109
- Web of Science
- https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000522184800005&DestApp=WOS_CPL
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- URL
- https://link.aps.org/article/10.1103/PhysRevE.101.033109
- URL
- http://harvest.aps.org/v2/journals/articles/10.1103/PhysRevE.101.033109/fulltext
- ID情報
-
- DOI : 10.1103/physreve.101.033109
- ISSN : 2470-0045
- eISSN : 2470-0053
- Web of Science ID : WOS:000522184800005