Universitat de Barcelona
2021-02-08T12:15:01Z
2021-02-08T12:15:01Z
2020-01-13
2021-02-08T12:15:01Z
A coaxial flow focusing PDMS (polydimethylsiloxane) microfluidic device has been designed and manufactured by soft lithography in order to experimentally study a miscible inner flow. We studied a coaxially focused inner flow (formed by an aqueous fluorescein solution) which was fully isolated from all microchannel surfaces by an additional water outer flow. Different flow rates were used to produce a variety of flow ratios and a 3D reconstruction of the cross-section was performed using confocal microscope images. The results showed an elliptical section of the coaxially focused inner flow that changes in shape depending on the flow rate ratio applied. We have also developed a mathematical model that allows us to predict and control the geometry of the coaxially focused inner flow.
Article
Published version
English
Dinàmica de fluids; Interfícies (Ciències físiques); Models matemàtics; Experiments; Fluid dynamics; Interfaces (Physical sciences); Mathematical models; Experiments
MDPI
Reproducció del document publicat a: https://doi.org/10.3390/mi11010085
Micromachines, 2020, vol. 11, num. 85
https://doi.org/10.3390/mi11010085
cc-by (c) Rodriguez Trujillo, Romen et al., 2020
http://creativecommons.org/licenses/by/3.0/es
