Ultrasonic flowmeter

被引：0
|
作者：
Comes, M. [1 ]
Drumea, P. [1 ]
Blejan, M. [1 ]
Dutu, I. [1 ]
Vasile, A. [2 ]
机构：
[1] Hydraul & Pneumat Res Inst, Bucharest, Romania
[2] POLITEH Univ Bucharest, Bucharest, Romania
来源：
2006 29TH INTERNATIONAL SPRING SEMINAR ON ELECTRONICS TECHNOLOGY | 2006年
关键词：
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：
The ultrasonic flow-meter made by the authors, measures the frequency shifts caused by the liquid flow, using two pairs of transducers mounted in a case attached to both ends of the pipe. In the original configuration the sound waves travel between the devices that are in line with the direction of the liquid flow. The speed of the signal traveling between the transducers increases or decreases with the direction of transmission and the velocity of the liquid being measured. The phase shift of received signals, caused by frequency shift is proportional to the liquid's velocity. The signals are processed with a microcontroller included on the embedded electronics board, the results being displayed on a LCD.
引用
收藏
页码：443 / +
页数：2
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