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Acoustic particle manipulation in a 40 kHz quarter-wavelength standing wave with an air boundary.

Abstract:

An implementation of a quarter-wavelength standing wave separator that exploits an air drum to achieve the pressure node is presented and characterized experimentally. The air drum configuration was implemented and tested in a set-up with a 40 kHz transducer immersed in a water tank with the quarter-wavelength gap being approximately 9 mm wide. Injection of suspensions of 5 μm and 45 μm diameter polystyrene particles at flow rates of 30 ml/h and 60 ml/h was studied and particle deflection tow...

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Publication status:
Published

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Publisher copy:
10.1121/1.3693658

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Engineering Science
Role:
Author
Journal:
The Journal of the Acoustical Society of America
Volume:
131
Issue:
5
Pages:
3627-3637
Publication date:
2012-05-05
DOI:
EISSN:
1520-8524
ISSN:
0001-4966
URN:
uuid:5445844f-b538-405d-9225-79d7e5cad050
Source identifiers:
329022
Local pid:
pubs:329022
Language:
English

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