A molecular dynamics approach for nucleation-growth of cryogenic cavitation

Shinichi Tsuda, Taiga Komatsu, Shu Takagi, Yoichiro Matsumoto

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

抄録

The growth of cavitation bubble nuclei in a metastable state in liquid argon, as one of cryogenic fluids, was investigated using a Molecular Dynamics (MD) simulation with a Nosé-Hoover chain thermostat. We observed rapid growth of bubble nuclei with weak inter-bubble interaction in the early stage, while observed a competing coarsening that looks like Ostwald ripening in the late stage and its growth exponent n became 0.51. We compared the present MD result with that in an adiabatic simulation (Energy-constant MD without any thermostats), and the influence of the field temperature was discussed. Also, we compared the present MD results with a coarsening theory for droplets, and discussed the characteristics of the coarsening mechanism of bubble nuclei.

本文言語英語
ホスト出版物のタイトルASME-JSME-KSME 2011 Joint Fluids Engineering Conference, AJK 2011
ページ231-236
ページ数6
2
DOI
出版ステータス出版済み - 12 1 2011
外部発表はい
イベントASME-JSME-KSME 2011 Joint Fluids Engineering Conference, AJK 2011 - Hamamatsu, 日本
継続期間: 7 24 20117 29 2011

その他

その他ASME-JSME-KSME 2011 Joint Fluids Engineering Conference, AJK 2011
国/地域日本
CityHamamatsu
Period7/24/117/29/11

All Science Journal Classification (ASJC) codes

  • 流体および伝熱

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