Kinetic boundary conditions for vapor–gas binary mixture

Kobayashi, Kazumichi; Sasaki, Kiyofumi; Kon, Misaki; Fujii, Hiroyuki; Watanabe, Masao

Kinetic boundary conditions for vapor–gas binary mixture

Kobayashi, Kazumichi; Sasaki, Kiyofumi; Kon, Misaki et al.

Microfluidics and Nanofluidics, 2017, 21(3), 53

Permalink : https://hdl.handle.net/2115/68447

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アクセス権	open access
URI	https://hdl.handle.net/2115/68447
タイトル	Kinetic boundary conditions for vapor–gas binary mixture
著者	Kobayashi, Kazumichi ; Sasaki, Kiyofumi ; Kon, Misaki ; Fujii, Hiroyuki ; Watanabe, Masao
e-Rad_Researcher 80453140 著者名 Kobayashi, Kazumichi
著者名 Sasaki, Kiyofumi
著者名 Kon, Misaki
e-Rad_Researcher 00632580 著者名 Fujii, Hiroyuki
e-Rad_Researcher 30274484 著者名 Watanabe, Masao
言語	英語
キーワード	Kinetic boundary conditions
	Evaporation and condensation
	Binary mixture
発行日	2017-03-07
出版者	Springer
収録物名	Microfluidics and Nanofluidics
巻(号)	21(3)
ページ	53
抄録	Using molecular dynamics simulations, the present study investigated the precise characteristics of the binary mixture of condensable gas (vapor) and non-condensable gas (NC gas) molecules creating kinetic boundary conditions (KBCs) at a gas–liquid interface in equilibrium. We counted the molecules utilizing the improved two-boundary method proposed in previous studies by Kobayashi et al. (Heat Mass Trans 52:1851–1859, 2016.doi:10.1007/s00231-015-1700-6). In this study, we employed Ar for the vapor molecules, and Ne for the NC gas molecules. The present method allowed us to count easily the evaporating, condensing, degassing, dissolving, and reflecting molecules in order to investigate the detailed motion of the molecules, and also to evaluate the velocity distribution function of the KBCs at the interface. Our results showed that the evaporation and condensation coefficients for vapor and NC gas molecules decrease with the increase in the molar fraction of the NC gas molecules in the liquid. We also found that the KBCs can be specified as a function of the molar fraction and liquid temperature. Furthermore, we discussed the method to construct the KBCs of vapor and NC gas molecules.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	The final publication is available at Springer via http://dx.doi.org/10.1007/s10404-017-1887-6
PISSN	1613-4982
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1007/s10404-017-1887-6