不同管径下外夹式超声流量计仪表系数的实验研究

doi:10.3969/j.issn.1000-1158.2020.Z1.13

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Abstract To study the meters factor of clamp-on type ultrasonic flowmeter under different pipe diameters with different flow velocity points, six pipes are selected within the pipe diameter between 100mm to 400mm and six flow velocity points are selected within the range of 0.3～3m/s to experimental study. The results of experiments show that the error of every flow point changed slightly under the same pipe diameter. With the increase of pipe diameter, the error under the same flow point decreases and the meters factor increases. By establishing mathematical model, the meters factors are compared between the mathematical model and the experimental study, it proves that of using the mathematical model to derive the meters factor under different pipe diameters is feasible, it can improve the measurement accuracy of the flowmeter under different pipe diameters.

Key words： metrology clamp-on type ultrasonic flowmeter error meters factor mathematical model

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TB937

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	Articles by authors
	XU Rui-xiang
	YAO Yi-guo
	ZHAI Heng-tao
	TANG Fa-wei
	HAN Ming
	XIAO Yuan-huan
	XUE Lei

Cite this article:

XU Rui-xiang,YAO Yi-guo,ZHAI Heng-tao, et al. Experimental Study on Meters Factor of Clamp-on Type Ultrasonic Flowmeter with Different Pipe Diameters[J]. Acta Metrologica Sinica, 2020, 41(12A): 63-67.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2020.Z1.13 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2020/V41/I12A/63

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