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Title: Effects Of Flow Disturbance On Multi-Path Ultrasonic Flowmeters
Author: Liang Zhang Heming Hu Tao Meng Chi Wang
Source: Flomeko 2013
Year Published: 2013
Abstract: Experimental study of multi-path ultrasonic flowmeters measurement accuracy in complex flow fields was carried out in the water flowrate standard facility of National Water Large Flowrate Measurement Station. Several muti-path ultrasonic flowmeters with different path arrangement were studied. The flow disturbances were created by bend, tapered pipe, diverging pipe and butterfly valve. By studying the measurement errors of different types of ultrasonic flowmeters, it is confirmed that the cross plane ultrasonic flowmeter is more adaptable to the complex flow field. The installation angle of flowmeter affects measurement accuracy. The sources of measurement error were analysed by CFD simulation.

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