2006•Journal of Xi'an University of TechnologyRequires access

The Experiment Study of Ultrasonic Flowmeter Precision

Zhilu Li

Abstract

In order to detect the flow velocity measurement precision of ultrasonic flowmeter,the contrast experiment is made of LCJ-type ultrasonic flowmeter made in China and 7500-type ultrasonic flowmeter made in America ORE.For this reason,a pipe flow measuring experiment platform or system is established.Two pairs of ultrasonic sensors are cross-installed at the 3.1 m (away) from the pipe outlet to carry out the repetition contrast experiments with different flows,and the wavelet analysis and comparison are made of the experiment data.The experimental results indicate that LCJ-type ultrasonic flowmeter made in China is of higher resolusion and more accurate flow velocity measurement than those of 7500-type ultrasonic flowmeter made in America ORE,also,being easy to operate.

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Key concepts: Ultrasonic flow meter, Flow measurement, Ultrasonic sensor, Acoustics, Ultrasonic testing, Flow (mathematics), Volumetric flow rate, Accuracy and precision