Molecular dynamics study of evaporation induced by locally heated argon liquid

Tabe, Hirofumi; Hiramatsu, Kiryu; Kobayashi, Kazumichi; Fujii, Hiroyuki; Watanabe, Masao; Totani, Tsuyoshi

Molecular dynamics study of evaporation induced by locally heated argon liquid

Tabe, Hirofumi; Hiramatsu, Kiryu; Kobayashi, Kazumichi et al.

Applied Thermal Engineering, 2022, 212, 118472

Permalink : https://hdl.handle.net/2115/85099

このアイテムのアクセス数:540件（2026-01-15 04:25 集計）

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アクセス権	open access
URI	https://hdl.handle.net/2115/85099
タイトル	Molecular dynamics study of evaporation induced by locally heated argon liquid
著者	Tabe, Hirofumi ; Hiramatsu, Kiryu ; Kobayashi, Kazumichi ; Fujii, Hiroyuki ; Watanabe, Masao ; Totani, Tsuyoshi
著者名 Tabe, Hirofumi
著者名 Hiramatsu, Kiryu
e-Rad_Researcher 80453140 著者名 Kobayashi, Kazumichi
e-Rad_Researcher 00632580 著者名 Fujii, Hiroyuki
e-Rad_Researcher 30274484 著者名 Watanabe, Masao
e-Rad_Researcher 00301937 著者名 Totani, Tsuyoshi
言語	英語
キーワード	Evaporation
	Molecular dynamics
	Kinetic boundary condition
	Non-equilibrium
発行日	2022-07-25
出版者	Elsevier
収録物名	Applied Thermal Engineering
巻(号)	212
ページ	118472
抄録	In this study, we conducted molecular dynamics simulations of the evaporation of locally heated argon liquid to construct the kinetic boundary condition (KBC) for the evaporation. The KBC denotes the boundary condition of the Boltzmann equation, and the mass, momentum, and heat fluxes through the interface can be determined by solving the Boltzmann equation with the KBC. From the results, we established a method for constructing the KBC for the evaporation of locally heated argon liquid. Furthermore, we found that the velocity distribution of the KBC immediately after liquid heating becomes anisotropic, which means that the normal and tangential temperatures composed of outgoing molecules from the liquid phase to the gas phase take different values when the liquid interface is heated momentarily. From the present study, we can elucidate the mechanism of the occurrence of net evaporation mass flux due to the locally heated liquid film, e.g., the spot heating by infrared radiation.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	Creative Commons Attribution 4.0 International
権利情報	© 2022 The Author(s). Published by Elsevier Ltd.
PISSN	1359-4311
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1016/j.applthermaleng.2022.118472