High frequency surface acoustic wave atomizer

被引：0
|
作者：
Ju, J. [1 ]
Yamagata, Y. [2 ]
Higuchi, T. [1 ]
Inoue, K. [3 ]
Ohmori, H. [2 ]
机构：
[1] Univ Tokyo, Grad Sch Engn, Bunkyo Ku, 7-3-1 Hongo, Tokyo, Japan
[2] RIKEN, Mat Fabricat Lab, Saitama, Japan
[3] Fuence Co Ltd, Saitama, Japan
来源：
TRANSDUCERS '07 & EUROSENSORS XXI, DIGEST OF TECHNICAL PAPERS, VOLS 1 AND 2 | 2007年
关键词：
surface acoustic wave atomizer; ultrasonic atomization; high frequency atomization;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A high-frequency Surface Acoustic Wave (SAW) atomizer which resonance frequency is 50 MHz is newly constructed and tested. Atomization characteristics are evaluated by means of electrostatic deposition (SAW-ED) and drop sensing with Laser Doppler Anemometry (LDA). In the electrostatic deposition methods, mean size of deposited dry particles is 0.7 mu m, and its estimated size of atomized droplets is approximately 8.5 mu m. In case of LDA measurement, average drop size is 8.3 mu m. Based on these results, proposed 50 MHz SAW atomizer shows good performance in terms of drop size, compared with former lower-frequency type.
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页数：2
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