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Microbubble movement during its formation in a co-flowing liquid in a microfluidic chip

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Abstract

Microbubble formation surrounded by a co-flowing lqiud (CFL) in a new-designed microfluidic chip was investigated in the present study. The movement of microbubble and the effect of CFL and nitrogen pressure on it during its formation were mainly focused. A new microfluidic chip was fabricated to realize the co-axial flowing condition of liquid. Experimental works were conducted based on the professionally-constucted high-speed microscopic camera system (HSMCS). Two concerned parameters which represent the movement of target microbubble were introduced. Experimental data and analysis results indicated that microbubble moves along the formation direction as time with a quadratic law. Futhermore, both nitrogen presussure and CFL contribute to the formation process drastically but from different aspects. The present study provided empirical references for studies in the movement of microbubble during its formation in CFL which contributes to realize the accurate controllability in diameter and size distribution of microbubbles.

Original languageEnglish
Title of host publicationGreen Energy and Sustainable Development I
Subtitle of host publicationProceedings of the International Conference on Green Energy and Sustainable Development, GESD 2017
EditorsJun Xiao, Lin Liu, Jianfeng Ke
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735415423
DOIs
StatePublished - 31 Jul 2017
Event2017 International Conference on Green Energy and Sustainable Development, GESD 2017 - Chongqing City, China
Duration: 27 May 201728 May 2017

Publication series

NameAIP Conference Proceedings
Volume1864
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference2017 International Conference on Green Energy and Sustainable Development, GESD 2017
Country/TerritoryChina
CityChongqing City
Period27/05/1728/05/17

Keywords

  • Bubble Controllability
  • Co-Flowing Liquid
  • Microbubble Formation
  • Microfluidic Chip

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