High-speed camera observation of multi-component droplet coagulation in an ultrasonic standing wave field

Marina Reißenweber; Sandro Krempel; Gerhard Lindner

doi:10.1117/12.2033692

7 December 2013 High-speed camera observation of multi-component droplet coagulation in an ultrasonic standing wave field

Marina Reißenweber, Sandro Krempel, Gerhard Lindner

Author Affiliations +

Proceedings Volume 8923, Micro/Nano Materials, Devices, and Systems; 89234K (2013) https://doi.org/10.1117/12.2033692
Event: SPIE Micro+Nano Materials, Devices, and Applications, 2013, Melbourne, Victoria, Australia

Abstract

With an acoustic levitator small particles can be aggregated near the nodes of a standing pressure field. Furthermore it is possible to atomize liquids on a vibrating surface. We used a combination of both mechanisms and atomized several liquids simultaneously, consecutively and emulsified in the ultrasonic field. Using a high-speed camera we observed the coagulation of the spray droplets into single large levitated droplets resolved in space and time. In case of subsequent atomization of two components the spray droplets of the second component were deposited on the surface of the previously coagulated droplet of the first component without mixing.

Citation Download Citation

Marina Reißenweber, Sandro Krempel, and Gerhard Lindner "High-speed camera observation of multi-component droplet coagulation in an ultrasonic standing wave field", Proc. SPIE 8923, Micro/Nano Materials, Devices, and Systems, 89234K (7 December 2013); https://doi.org/10.1117/12.2033692

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