Evaporation and condensation near the triple phase contact line is important for the heat and mass transfer at the micro-nano scale. In the present work, non-equilibrium molecular dynamics simulations (NEMD) were conducted to investigate the evaporation and condensation in thin liquid films at a triple phase system. The simulation domain was a cuboid with periodic boundary conditions. All the three phases were made up of Lennard-Jones molecules (platinum and argon). As solid walls were set with different temperatures, a non-equilibrium state system was established. Intensive evaporation and condensation through the thin liquid films were observed. The evaporation mass flux, the non-evaporation region on the heating wall and the related disjoining pressure were discussed and compared to theoretical results.
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ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer
December 18–21, 2009
Shanghai, China
Conference Sponsors:
- Nanotechnology Institute
ISBN:
978-0-7918-4390-1
PROCEEDINGS PAPER
A Molecular Dynamics Investigation for the Evaporation of Thin Liquid Films
Hao Wang
Hao Wang
Peking University, Beijing, China
Search for other works by this author on:
Jiapeng Yu
Peking University, Beijing, China
Hao Wang
Peking University, Beijing, China
Paper No:
MNHMT2009-18287, pp. 49-53; 5 pages
Published Online:
October 26, 2010
Citation
Yu, J, & Wang, H. "A Molecular Dynamics Investigation for the Evaporation of Thin Liquid Films." Proceedings of the ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer. ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 2. Shanghai, China. December 18–21, 2009. pp. 49-53. ASME. https://doi.org/10.1115/MNHMT2009-18287
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