水平の狭い矩形拡大流路内の気泡挙動に関する実験

Material type: 文書・図像類

Author: 太田, 淳一ほか

Publisher: 日本機械学会

Publication date: 1995-01

Material Format: Digital

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Note (General)：: This study investigates a bubble which is placed such that it bridges a cross section of a horizontal narrow divergent passage under the Earth gravity...

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Material Type: 文書・図像類
Title: 水平の狭い矩形拡大流路内の気泡挙動に関する実験
Author/Editor: 太田, 淳一
藤井, 照重
纐纈, 光幸
山本, 富士夫
OHTA, Junichi
FUJII, Terushige
KOKETSU, Mitsuyuki
YAMAMOTO, Fujio
Author Heading: 太田, 淳一
藤井, 照重
纐纈, 光幸
山本, 富士夫
OHTA, Junichi
FUJII, Terushige
KOKETSU, Mitsuyuki
YAMAMOTO, Fujio
Publication, Distribution, etc.: 日本機械学会
Publication Date: 1995-01
Publication Date (W3CDTF): 1995-01
Alternative Title: Experiments on Bubble Behavior in a Horizontal Narrow Divergent Passage
Periodical title: 日本機械学会論文集. B編
No. or year of volume/issue: 61 581
Volume: 61
Issue: 581
Pages: 201-207
Text Language Code: jpn
Subject Heading: Bubble
Surface Tension
Low-Gravity
Mensicus
Hele-Shaw Cell
Separation
Narrow Space
Target Audience: 一般
Note (General): This study investigates a bubble which is placed such that it bridges a cross section of a horizontal narrow divergent passage under the Earth gravity condition(1-G). In a narrow passage,inertia forces are known to be small compared with viscous forces. Also,gravity force is not dominant for bubble behavior in a horizontal narrow passage under the 1-G condition. In this sense,the bubble behavior in the passage is similar to that under a low-gravity condition. It is important to understand the bubble behavior in relation to separating gas from a gas-liquid two-phase flow and controllong a gas-liquid interfase under a low-gravity condition. A single bubble was placed such that it bridged the cross section of a horizontal narrow passage under 1-G condition. The bubble geometry and its behavior were studied experimentally for gap sizes ranging from 0.5mm to 2mm,divergent angles of 1 to 5 degrees,and using ethyl alcohol as a working fluid. the follwing results were obtained:(1)bubble was found to move to greater cross sectional area,(2)the gas-liquid interface geometry from the top view could be expressed as a "contrant circle model"which takes the maximum radius in the passage,and(3)effects of the gap size and the bubble projected area on the bubble behavior were claified.
Access Restrictions: 限定公開
Rights (production): 〓 1995 日本機械学会
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ