期刊
PHYSICS OF FLUIDS
卷 34, 期 4, 页码 -出版社
AIP Publishing
DOI: 10.1063/5.0086984
关键词
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资金
- National Natural Science Foundation of China [12027801, 11621202, 52003263, 11902318, 52005477]
- Youth Innovation Promotion Association CAS [2018491]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDB22040103]
A systematic experimental study was conducted on the effects of mechanical disturbance on jet and droplet generation in gas-driven flow focusing. The results showed that the jet and droplet size can be regulated by changing the flow rate and pressure drop condition.
In gas-driven flow focusing, mechanical disturbance is applied to modulate formation of droplets under the condition that the jet breaks at a high speed. By changing the conditions of jet generation, a systematic experimental study of the relevant parameters is carried out. In the axisymmetric mode, the diameter and velocity of the jet are affected by changing the flow rate and pressure drop condition. The results show that the jet can be regulated in a very large range, and the size of the generated droplets can also be accurately predicted. For viscous liquids, mechanical disturbances can also be used to make them break uniformly within a certain range. Due to the high frequency and precise controllability of droplet preparation in the experiment, these findings can be extended to more fields for practical applications. Published under an exclusive license by AIP Publishing.
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