Presentation 2009-04-24
Acoustic streaming generated by switching radiation modes for SAW device and its appication to liquid mixing
Miyuki MAEZAWA, Tomoo KAMAKURA,
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Abstract(in English) This report presents the experimental investigation of acoustic streaming generated by exciting an interdigital transducer on the Y-cut Z-propagation LiNbO_3 substrate in two different modes, surface acoustic wave (SAW) and bulk acoustic wave (BAW). Fluid mixing is efficiently improved by changing the wave mode from SAW to BAW or vice versa. Selection of the excitation mode depends on liquid properties. This method makes it possible to change flow field temporally and spatially, then not only mixing efficiency but also miniaturization of the device can be achieved.
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Keyword(in English) acoustic streaming / IDT / SAW / BAW / mixing
Paper # US2009-4
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Committee US
Conference Date 2009/4/17(1days)
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Registration To Ultrasonics (US)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Acoustic streaming generated by switching radiation modes for SAW device and its appication to liquid mixing
Sub Title (in English)
Keyword(1) acoustic streaming
Keyword(2) IDT
Keyword(3) SAW
Keyword(4) BAW
Keyword(5) mixing
1st Author's Name Miyuki MAEZAWA
1st Author's Affiliation Faculty of Electro-Communications, The University of Electro-Communications()
2nd Author's Name Tomoo KAMAKURA
2nd Author's Affiliation Faculty of Electro-Communications, The University of Electro-Communications
Date 2009-04-24
Paper # US2009-4
Volume (vol) vol.109
Number (no) 17
Page pp.pp.-
#Pages 6
Date of Issue