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Title: 液中浮上時の気泡挙動の数値解析
Other Titles: Numerical Simulation of Bubble Rising in Liquid
Authors: 中村, 修1 Browse this author
熊谷, 剛彦2 Browse this author →KAKEN DB
髙谷, 幸司3 Browse this author
Authors(alt): Nakamura, Osamu1
Kumagai, Takehiko2
Takatani, Kouji3
Keywords: bubble
gas-liquid two phase flow
numerical simulation
volume of fluid method
Issue Date: 1-Feb-2015
Publisher: 日本鉄鋼協会
Journal Title: 鉄と鋼
Volume: 101
Issue: 2
Start Page: 117
End Page: 122
Publisher DOI: 10.2355/tetsutohagane.101.117
Abstract: Numerical simulation of bubble rising in reduced pressure vessel was carried out by volume of fluid method (VOF) solver of OpenFOAM, open source CFD toolkit. The result was validated against the experimental data of Kumagai et al. [Tetsu-to-Hagané, 101(2015), 93]. Behaviors of continuous rising bubble at 101.3 kPa, 18.2 kPa, 4.5 kPa were almost consistent with the experiment. The shape of bubble near injection nozzle at 101.3 kPa was more ellipsoidal than that of experiment and the mesh refining decreased the difference. Single bubble rising behavior was also studied. Rising rate and outside appearance were almost consistent, but slight continuous dispersion of gas phase from tail end of bubble was observed in only simulation and it was considered the issue of gas-liquid interface modeling. The cross section of bubble was spherical cap and consistent with the diagram of Grace [Trans. Inst. Chem. Eng., 51(1973), 116]
Rights: 著作権は日本鉄鋼協会にある。
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 熊谷 剛彦

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