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Precise monodisperse droplet production in a flow-focusing microdroplet generator.
- Source :
-
Chemical Engineering Research & Design: Transactions of the Institution of Chemical Engineers Part A . Aug2020, Vol. 160, p321-325. 5p. - Publication Year :
- 2020
-
Abstract
- To precisely control the size of droplets produced in a flow-focusing microdroplet generator, the pressure-driven device is designed to control the flow rates of the fluids during the experiments of droplet generation. While monodisperse droplets are produced by the pressure-driven microfluidic flows, the nonlinear relation between the droplet length and the driving-pressure ratio of the two phases can be observed for the open-loop control of droplet generation. In particular, by using the method of the closed-loop control of droplet generation, good agreements are shown between the tested size of droplets and the predicted droplet size. Consequently, based on the closed-loop control of droplet generation under pressure-driven flows, the effects of the nonlinearity of the flow-focusing microchannel on the control accuracy of the droplet size is drastically reduced, which can significantly increase the control precision of the droplet size in the flow-focusing microdroplet generator. [ABSTRACT FROM AUTHOR]
- Subjects :
- *MONODISPERSE colloids
*FLUID flow
Subjects
Details
- Language :
- English
- ISSN :
- 02638762
- Volume :
- 160
- Database :
- Academic Search Index
- Journal :
- Chemical Engineering Research & Design: Transactions of the Institution of Chemical Engineers Part A
- Publication Type :
- Academic Journal
- Accession number :
- 144627431
- Full Text :
- https://doi.org/10.1016/j.cherd.2020.06.002