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Study of an acoustic field in a microchannel

Kozuka, T, Yasui, K, Hatanaka, S, Tuziuti, T, Lee, J and Towata, A (2010) Study of an acoustic field in a microchannel Japanese Journal of Applied Physics, 45 (7S).

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Abstract

Using a standing-wave field, it is possible to trap small objects at nodes of a sound pressure distribution. In the present study, a sound wave was generated by a transducer outside of a microchannel, and propagated into a microchannel on a glass plate, where it generated a standing wave field. When water containing alumina particles was injected into the microchannel, several layers of particles were formed in the sound field. Moreover, when the ultrasound driving frequency was swept, it was possible to control the direction of the particle flow. The sound field was numerically calculated and the experimental results are discussed.

Item Type: Article
Subjects : Chemical and Process Engineering
Divisions : Faculty of Engineering and Physical Sciences > Chemical and Process Engineering
Authors :
AuthorsEmailORCID
Kozuka, TUNSPECIFIEDUNSPECIFIED
Yasui, KUNSPECIFIEDUNSPECIFIED
Hatanaka, SUNSPECIFIEDUNSPECIFIED
Tuziuti, TUNSPECIFIEDUNSPECIFIED
Lee, JUNSPECIFIEDUNSPECIFIED
Towata, AUNSPECIFIEDUNSPECIFIED
Date : 20 July 2010
Identification Number : 10.1143/JJAP.49.07HE14
Copyright Disclaimer : Copyright (c) 2010 The Japan Society of Applied Physics
Additional Information : Item not available from this repository
Depositing User : Symplectic Elements
Date Deposited : 16 Aug 2016 13:38
Last Modified : 16 Aug 2016 13:38
URI: http://epubs.surrey.ac.uk/id/eprint/809186

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