Abstract：
:Acoustic manipulation by an ultrasonic phased array provides an entirely new approach to processes such as coalescence, mixing, separation, and evaporation occurring in the generation of new materials, physical property measurement, the biomedical industry, etc. However, to date, ultrasonic phased arrays have not been fully investigated for applications in fluid manipulation. This paper provides contactless coalescence and mixing techniques for droplets in air by controlling the acoustic potential by using an ultrasonic phased array. We focused on mode oscillation to propose an efficient mixing technique for liquid without contact. A comparison of mixing performance between cases with mode oscillation and without mode oscillation showed that the flow induced by mode oscillation promotes droplet mixing. Our paper demonstrates the feasibility of contactless coalescence and mixing as a first step in fluid manipulation with a phased array.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Watanabe A,Hasegawa K,Abe Ydoi
10.1038/s41598-018-28451-5subject
Has Abstractpub_date
2018-07-05 00:00:00pages
10221issue
1issn
2045-2322pii
10.1038/s41598-018-28451-5journal_volume
8pub_type
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