Journal
JOURNAL OF MOLECULAR LIQUIDS
Volume 367, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.molliq.2022.120507
Keywords
Liquid physics; Hard disk fluids; Scaled particle theory; Chemical potential; Surface tension
Funding
- National Natural Science Foundation of China [22008063]
- China Hunan Provincial Science and Technology Department [2019RS1031]
- Joint Institute for Science and Society (JoR-ISS) of Ecole Normale Superieure de Lyon
- East China Normal University
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The success of scaled particle theory lies in its incorporation of the physical idea of accounting for the work needed to insert a particle into a liquid. An augmented scaled particle theory has been developed by adding high-order curvature terms, allowing for improved thermodynamic properties of hard disk fluids.
The success of scaled particle theory (SPT) can be certainly ascribed to the appealing physical idea embedded in it, i.e., accounting for the work needed to insert a particle into a liquid by a bulk contribu-tion and a surface contribution. So, it can describe bulk and surface thermodynamic properties in the same framework. The surface tension term in SPT involves one flat-surface contribution and two addi-tional contributions due to surface curvatures. High-order curvature terms (also called non-Hadwiger terms) were evidenced. Recently, we have developed an augmented scaled particle theory (ASPT) by add-ing one high-order curvature term for a hard sphere fluid. Here, we extend ASPT to a two-dimensional hard disk fluid. As for the 3D case, our 2D ASPT allows for improving both bulk and surface thermody-namic properties of a hard disk fluid with respect to the original SPT.(c) 2022 Elsevier B.V. All rights reserved.
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