Novel Measurement Method of Longitudinal Wave Velocity of Liquid Using a Surface Acoustic Wave Device

被引：0
|
作者：
Kondoh, Jun [1 ,2 ]
Yamada, Michiyuki [2 ]
机构：
[1] Grad Sch Sci & Technol, Naka Ku, 3-5-1 Johoku, Hamamatsu, Shizuoka 4328561, Japan
[2] Shizuoka Univ, Fac Engn, Naka Ku, 3-5-1 Johoku, Hamamatsu, Shizuoka 4328561, Japan
来源：
RECENT GLOBAL RESEARCH AND EDUCATION: TECHNOLOGICAL CHALLENGES | 2017年 / 519卷
关键词：
SAW; Longitudinal wave radiation; SAW streaming; Nonlinear phenomena; Longitudinal wave velocity measurement; Droplet; SAW; SYSTEM;
D O I：
10.1007/978-3-319-46490-9_40
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
A longitudinal wave is radiated from a surface acoustic wave (SAW) at the solid/liquid interface and non-linear phenomena are observed, such as acoustic streaming. When a short burst signal was applied to the SAW device, the reflected signal from a droplet on it. Experimental results show that the observed time depends on a droplet volume. This means that the wave does not reflect at the air/droplet interface. Propagation model of the longitudinal wave in the droplet was assumed and the equation was derived using it. The experimental results of the reflex time agree with the calculated results using the equation. As the longitudinal wave velocity is involved in the equation, the velocity is obtained by measuring the arrival time.
引用
收藏
页码：295 / 300
页数：6
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