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Measurement of voidfraction in dispersedbubblyflowcontainingmicro-bubbles with the constantelectriccurrentmethod
http://hdl.handle.net/2241/117418
http://hdl.handle.net/2241/117418e02e4a7e-adfe-4cb6-b4b6-2ce8c09e9e35
名前 / ファイル | ライセンス | アクション |
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FMI_24.pdf (3.8 MB)
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Item type | Journal Article(1) | |||||
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公開日 | 2012-07-19 | |||||
タイトル | ||||||
タイトル | Measurement of voidfraction in dispersedbubblyflowcontainingmicro-bubbles with the constantelectriccurrentmethod | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Uesawa, Shin-ichiro
× Uesawa, Shin-ichiro× Kaneko, Akiko× Abe, Yutaka |
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著者別名 |
金子, 暁子
× 金子, 暁子× 阿部, 豊 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Voidfraction is one of the dominant parameters of gas–liquid two-phase flow in industrial equipment. An electric sensing method based on the difference in electric conductivity and permittivity between liquid and gas is one of the online measurementmethods of void faction. However, the previous constantelectriccurrentmethod is not applicable to dispersedbubblyflow because bubbles are dispersed in three dimensions. In the present study, the new constantelectriccurrentmethod available to the three dimensional dispersedbubblyflow with tiny bubbles (micro-bubbles) is developed. The proposed method to estimate the voidfraction is based on Maxwell’s theory and polarization of tiny bubbles. The method makes it possible to measure the voidfraction of three dimensional dispersedbubblyflow. It is experimentally clarified that the present proposed method with the constantelectriccurrentmethod can be applicable to measure the voidfraction of three dimensional bubblyflow more accurately than the previous constantelectriccurrentmethod. It is also clarified that Maxwell’s theory and the present proposed method with polarization are compatible with the drift flux model although voidfraction estimated with the previous method is higher than the drift flux model for three dimensional dispersedbubblyflow. | |||||
書誌情報 |
Flow measurement and instrumentation 巻 24, p. 50-62, 発行日 2012-04 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0955-5986 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10742092 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.flowmeasinst.2012.03.010 | |||||
権利 | ||||||
権利情報 | © 2012 Elsevier Ltd. NOTICE: this is the author’s version of a work that was accepted for publication in Flow measurement and instrumentation. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in PUBLICATION, Volume 24, 2012 DOI:10.1016/j.flowmeasinst.2012.03.010 | |||||
著者版フラグ | ||||||
値 | author | |||||
出版者 | ||||||
出版者 | Elsevier Ltd. | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2241/117418 | |||||
識別子タイプ | HDL |