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Nanoscale thin-film flows with thermal fluctuations and slip
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Zhang, Yixin, Sprittles, James E. and Lockerby, Duncan A. (2020) Nanoscale thin-film flows with thermal fluctuations and slip. Physical Review E, 102 (5). 053105 . doi:10.1103/PhysRevE.102.053105 ISSN 1539-3755.
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Official URL: https://doi.org/10.1103/PhysRevE.102.053105
Abstract
The combined effects of thermal fluctuations and liquid-solid slip on nanoscale thin-film flows are investigated using stochastic lubrication equations (SLEs). The previous no-slip SLE for films on plates is extended to consider slip effects and a new SLE for films on fibres is derived, using a long-wave approximation to fluctuating hydrodynamics. Analytically derived capillary spectra, which evolve in time, are found from the new SLEs and compared to molecular dynamics simulations. It is shown that thermal fluctuations lead to the generation and growth of surface waves, and slip accelerates this growth. SLEs developed here provide useful tools to study nanoscale film dewetting, nanofibre coating, and liquid transport using nanofibres.
| Item Type: | Journal Article | |||||||||||||||
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| Subjects: | Q Science > QC Physics Q Science > QD Chemistry |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering Faculty of Science, Engineering and Medicine > Science > Mathematics |
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| Library of Congress Subject Headings (LCSH): | Thin films , Thin films -- Effect of temperature on, Solid-liquid interfaces, Interfaces (Physical sciences)—Mathematical models | |||||||||||||||
| Journal or Publication Title: | Physical Review E | |||||||||||||||
| Publisher: | American Physical Society | |||||||||||||||
| ISSN: | 1539-3755 | |||||||||||||||
| Official Date: | 13 November 2020 | |||||||||||||||
| Dates: |
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| Volume: | 102 | |||||||||||||||
| Number: | 5 | |||||||||||||||
| Article Number: | 053105 | |||||||||||||||
| DOI: | 10.1103/PhysRevE.102.053105 | |||||||||||||||
| Status: | Peer Reviewed | |||||||||||||||
| Publication Status: | Published | |||||||||||||||
| Reuse Statement (publisher, data, author rights): | © 2020 American Physical Society | |||||||||||||||
| Access rights to Published version: | Open Access (Creative Commons) | |||||||||||||||
| Date of first compliant deposit: | 21 October 2020 | |||||||||||||||
| Date of first compliant Open Access: | 22 October 2020 | |||||||||||||||
| RIOXX Funder/Project Grant: |
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