書誌事項
- タイトル別名
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- Suppression of the Flow Transition by Microbubbles in a Taylor-Couette Flow(Fluids Engineering)
- マイクロバブルによるテイラー・クエット流れの遷移抑制
- マイクロバブル ニ ヨル テイラー クエット ナガレ ノ センイ ヨクセイ
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We investigated the interaction between microbubbles and Taylor-vortices, which are generated in a fluid layer between coaxial-rotating double cylinders. O (10μm)-diameter hydrogen bubbles were generated by water electrolysis and dispersed into the fluid layer. The maximum void fraction, which is estimated by the input power for the water electrolysis, was smaller than 0.02%. From the time averaged velocity distribution, which is observed by Ultrasonic Velocity Profiling (UVP), these values are changed with different tendency at Re/Re_c=3.0 or 4.0, where Re_c is the critical Reynolds number for onset of the primary instability. As initially expected, the existence of the microbubbles does not modify the axial wavelength of the vortices and the frequency of the azimuthal waves either. However, the power of the modulation wave component, which comes from the flow instability, is lowered by the addition of microbubbles at Re/Re_c=8.0. This phenomenon is caused by the rising bubbles with the pattern, which makes inhomogeneous local void fraction.
収録刊行物
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- 日本機械学会論文集Ｂ編
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日本機械学会論文集Ｂ編 76 (772), 2160-2167, 2010
一般社団法人 日本機械学会
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詳細情報 詳細情報について
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- CRID
- 1390001206294868608
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- NII論文ID
- 110008006802
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- NII書誌ID
- AN00187441
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- ISSN
- 18848346
- 03875016
- http://id.crossref.org/issn/03875016
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- NDL書誌ID
- 10955183
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可