Numerical Simulation of the Formation of a Jet and Droplets from a Capillary in a Co-Flowing Ambient Fluid
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- Homma Shunji
- Division of Materials Science, Graduate School of Science and Engineering, Saitama University
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- Yokotsuka Muneyuki
- Division of Materials Science, Graduate School of Science and Engineering, Saitama University
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- Koga Jiro
- Division of Materials Science, Graduate School of Science and Engineering, Saitama University
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Formation of a liquid jet and droplets from a micro-capillary in another immiscible co-flowing ambient fluid is simulated numerically with a front-tracking/finite difference method. The transition from dripping to jetting is observed and the size of the resulting droplets is predicted. The predicted size in jetting mode is in close agreement with that from linear stability theory for a moving liquid jet in a co-flowing ambient fluid with the same speed as the jet. The transition between dripping and jetting are mapped on the diagram of the jet Weber number versus the ambient flow Capillary number. It is found that the viscosity ratio is an important parameter to distinguish the mode.
収録刊行物
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- JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
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JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 43 (1), 7-12, 2010
公益社団法人 化学工学会
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詳細情報 詳細情報について
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- CRID
- 1390001204568401792
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- NII論文ID
- 10027152263
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- NII書誌ID
- AA00709658
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- COI
- 1:CAS:528:DC%2BC3cXnvVamur8%3D
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- ISSN
- 18811299
- 00219592
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- NDL書誌ID
- 10611937
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可