Issue 35, 2015

A microdevice for producing monodispersed droplets under a jetting flow

Abstract

A new microdevice by extending capillaries into a step microchannel for generating monodispersed droplets was specially designed. A much wider narrowing jetting flow regime can be easily realized in this new device. The new microchannel and the operating regime make it possible to produce monodispersed microdroplets that are one to two magnitudes smaller than the main channel size. Scaling laws of jet diameters and droplet sizes are developed in both theory and experiments. The device turns out to be a good platform for tiny droplet preparation under the jetting flow compared with conventional microchannels.

Graphical abstract: A microdevice for producing monodispersed droplets under a jetting flow

Supplementary files

Article information

Article type
Paper
Submitted
07 Feb 2015
Accepted
11 Mar 2015
First published
11 Mar 2015

RSC Adv., 2015,5, 27356-27364

Author version available

A microdevice for producing monodispersed droplets under a jetting flow

Y. K. Li, G. T. Liu, J. H. Xu, K. Wang and G. S. Luo, RSC Adv., 2015, 5, 27356 DOI: 10.1039/C5RA02397A

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