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Title: 急縮小部を有する微小流路内気液二相流の気泡速度に及ぼす流路高さの影響
Other Titles: Effect of small rectangular channel height on bubble moving velocity in gas-liquid two-phase flow through sudden contraction
Authors: 深澤, 慧1 Browse this author
熊谷, 剛彦2 Browse this author →KAKEN DB
大参, 達也3 Browse this author →KAKEN DB
岩井, 一彦4 Browse this author →KAKEN DB
井口, 学5 Browse this author
Authors(alt): Fukasawa, Satoshi1
Kumagai, Takehiko2
Ohmi, Tatsuya3
Iwai, Kazuhiko4
Iguchi, Manabu5
Keywords: Gas-liquid two-phase flow
Sudden contraction
Millimeter-scale channel
Flow pattern
Bubble velocity
Issue Date: 15-Jun-2013
Publisher: 日本混相流学会
Journal Title: 混相流
Volume: 27
Issue: 2
Start Page: 168
End Page: 174
Publisher DOI: 10.3811/jjmf.27.168
Abstract: An experimental investigation is carried out on the effects of a sudden contraction on the characteristics of an air-water two-phase flow in a millimeter-scale rectangular channel. The results reveal that the flow pattern transition types caused by sudden contraction can be basically classified into five. The scatter of the leading edge velocity of a bubble observed downstream of the sudden contraction increases as the channel height becomes smaller than a certain critical value. This phenomenon is not beneficial for practical usage of gas-liquid two-phase flows in micro channels.
Rights: 著者権は日本混相流学会に帰属する
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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