基于超声谱分析的颗粒粒度测量研究

doi:10.3969/j.issn.1000-1158.2019.03.19

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Abstract To verify the effect of different ultrasonic spectra and analysis methods on particle size distribution, the experimental setup was established to provide a non-invasive way in synchronously acquiring ultrasonic reflection and transmission signals. Then the experiments were carried out on four polystyrene-water solutions at volume fractions from 1% to 4% to extract the ultrasonic spectra based on pulse-echo method, reference reflection method and through-transmission method, respectively. Based on the ECAH model, the ORT algorithm was used to solve the particle size distribution by means of various experimental spectra, which were also compared with the optical microscope method. It showed that the different spectra analysis yielded a relatively consistent result and the volume median diameters within a deviation of 15%, which further verified the reliability in measuring the particle size distribution of the suspension.

Key words： metrology particle size distribution;ultrasonic spectra;synchronous measurement;inversion

Received: 02 January 2018 Published: 19 April 2019

PACS:

TB95

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	Articles by authors
	JIA Nan
	GU Jian-fei
	SU Ming-xu

Cite this article:

JIA Nan,GU Jian-fei,SU Ming-xu. Characterization of Particle Size Distribution Based on Ultrasonic Spectra Analysis[J]. Acta Metrologica Sinica, 2019, 40(3): 466-471.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2019.03.19 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2019/V40/I3/466

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