A STUDY OF AIR-COUPLED ULTRASONIC FLOWMETER

被引：0

作者：

Tsukada, Keisuke ^{[1
]}

Ihara, Tomonori ^{[1
]}

Kikura, Hiroshige

机构：

[1] Tokyo Inst Technol, Dept Nucl Engn, Meguro Ku, Tokyo 1528550, Japan

来源：

PROCEEDINGS OF THE 20TH INTERNATIONAL CONFERENCE ON NUCLEAR ENGINEERING AND THE ASME 2012 POWER CONFERENCE - 2012, VOL 5 | 2012年

关键词：

Air-coupled ultrasonic wave; Ultrasonic flowmeter; Time difference method; High temperature flow;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

A new non-contact flow metering system is developed using air-coupled ultrasonic technique. The principle of the present system is based on the time-of-flight (TOF) ultrasonic flowmeter. The TOF ultrasonic flowmeter has two transducers, a transmitter and a receiver, which are strapped on the outside wall of a pipe. However, it is difficult to set the transducers on very high temperature pipe walls, since the transducers loose piezoelectricity over Curie point. Therefore, we focused on air-coupled ultrasonic waves for flow field measurement, and developed an air-coupled ultrasonic transducers and a signal processing system.

引用

页码：239 / 244

页数：6

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