Giri, Amal K;
Malgaretti, Paolo;
Peschka, Dirk;
Sega, Marcello;
(2022)
Resolving the microscopic hydrodynamics at the moving contact line.
Physical Review Fluids
, 7
(10)
, Article L102001. 10.1103/PhysRevFluids.7.L102001.
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Abstract
The molecular structure of moving contact lines (MCLs) and the emergence of a corresponding macroscopic dissipation have made the MCL a paradigm of fluid dynamics. Through novel averaging techniques that remove capillary waves smearing we achieve an unprecedented resolution in molecular dynamics simulations and find that they match with the continuum description obtained by finite element method down to molecular scales. This allows us to distinguish dissipation at the liquid-solid interface (Navier-slip) and at the contact line, the latter being negligible for the rather smooth substrate considered.
| Type: | Article |
|---|---|
| Title: | Resolving the microscopic hydrodynamics at the moving contact line |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1103/PhysRevFluids.7.L102001 |
| Publisher version: | https://doi.org/10.1103/PhysRevFluids.7.L102001 |
| Language: | English |
| Additional information: | This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Science & Technology, Physical Sciences, Physics, Fluids & Plasmas, Physics, GENERALIZED HYDRODYNAMICS, DYNAMICS, FRICTION, SIMULATIONS, MOLECULES, SURFACE, SLIP, INTERFACES, PROFILES, LIQUIDS |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Chemical Engineering |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10158912 |
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