Article
Perfectly Monodisperse Microbubbling by Capillary Flow Focusing
Author/s | Gañán-Calvo, Alfonso M.
![]() ![]() ![]() ![]() ![]() ![]() ![]() Gordillo Arias de Saavedra, José Manuel ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Department | Universidad de Sevilla. Departamento de Ingeniería Aeroespacial y Mecánica de Fluidos |
Publication Date | 2001 |
Deposit Date | 2020-12-15 |
Published in |
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Abstract | Here we report a simple microfluidics phenomenon which allows the efficient mass production of
micron size gas bubbles with a perfectly monodisperse and controllable diameter. It resorts on a self-
excited breakup ... Here we report a simple microfluidics phenomenon which allows the efficient mass production of micron size gas bubbles with a perfectly monodisperse and controllable diameter. It resorts on a self- excited breakup phenomenon (which locks at a certain frequency) of a short gas microligament coflowing in a focused liquid stream. In this work, we describe the physics of the phenomenon and obtain closed expressions for the bubble diameter as a function of the liquid and gas properties, geometry, and flow parameters, from a large set of experimental results. |
Citation | Gañán-Calvo, Alfonso M. y Gordillo Arias de Saavedra, J.M. (2001). Perfectly Monodisperse Microbubbling by Capillary Flow Focusing. Physical Review Letters, 87 (27), 274501-1-274501-4. |
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