The role of primary and secondary acoustic radiation forces on the contactless manipulation of liquid droplets in mid-air

Marco A. B. Andrade, Gergely Simon, Anne Bernassau, Asier Marzo

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The primary and the secondary acoustic radiation forces acting on water droplets are investigated in a multifocal point acoustic levitator consisting of an array of 256 ultrasonic transducers on top of a plane reflector. Two water droplets are levitated separately and manipulated horizontally until they coalesce. The motion of each droplet is captured by a high-speed camera and a tracking algorithm is used for determining the position of each droplet over time. From positions of each droplet over time, a numerical procedure is used for determining the acoustic radiation force acting on each droplet. In addition, the primary force is simulated by a numerical model that combines a matrix method with the Gor'kov equation and the secondary force is calculated through simulations using the Finite Element Method.
Original languageEnglish
Title of host publication2019 IEEE International Ultrasonics Symposium (IUS)
PublisherIEEE
Pages258-264
Number of pages7
ISBN (Electronic)9781728145969
DOIs
Publication statusPublished - 8 Dec 2019
Event2019 IEEE International Ultrasonics Symposium - Glasgow, United Kingdom
Duration: 6 Oct 20199 Oct 2019

Conference

Conference2019 IEEE International Ultrasonics Symposium
Abbreviated titleIUS 2019
Country/TerritoryUnited Kingdom
CityGlasgow
Period6/10/199/10/19

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