Microbubble characteristic in a co-flowing liquid in microfluidic chip

Lixia SunCollege of Mechanical and Electrical Engineering, Changchun University of Science and Technology, Changchun, Jilin, China; ;College of Mechanical Engineering, Beihua University, Jilin, Jilin, China; View further author information

Mingxu FanCollege of Mechanical Engineering, Beihua University, Jilin, Jilin, China; View further author information

Huadong YuCollege of Mechanical and Electrical Engineering, Changchun University of Science and Technology, Changchun, Jilin, China; Correspondence[email protected]
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Peng LiCollege of Mechanical Engineering, Beihua University, Jilin, Jilin, China; Correspondence[email protected]
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Jinkai XuCollege of Mechanical and Electrical Engineering, Changchun University of Science and Technology, Changchun, Jilin, China; View further author information

Hongwei QinSchool of Mechatronics Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, ChinaView further author information

Shengyuan JiangSchool of Mechatronics Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, ChinaView further author information

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Abstract

An experimental method for the formation characteristics of co-flowing focusing microbubbles based on polydimethylsiloxane (PDMS) microfluidic chip is introduced. An experimental system was set up to investigate the effects of liquid flow rate, gas pressure and gas channel width on bubble detachment volume and formation time. Based on the assumption of ellipsoid theory, the theoretical model for volume prediction of co-flowing focusing microbubbles is established. The numerical solution of the model is obtained by the fourth-order Runge-Kutta method. The results show that the prediction results of theoretical model correlate well with the experimental data.

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Funding

This work was supported by Science and Technology Department of Jilin Province [grant number 20190302039GX].

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Microbubble characteristic in a co-flowing liquid in microfluidic chip

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Microbubble characteristic in a co-flowing liquid in microfluidic chip

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