On-line characterization of the shape and size of particles

Year: 1993

Authors: Castellini C., Francini F., Longobardi G., Pampaloni E.

Autors Affiliation: Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy

Abstract: An image analysis system for extracting on-line quantitative geometric and densitometric information from images of ore samples is described. The apparatus employs a pulsed semiconductor laser as the light source for illuminating of a flowing stream of particles and a non-interlaced solid-state TV camera as size measurement device in a shadowgraph imaging system. The problem of the sampling volume is discussed and several size distributions of solid particulates are presented. The particle size measurement range is 2-400 mum.

Journal/Review: PARTICLE & PARTICLE SYSTEMS CHARACTERIZATION

Volume: 10 (1)      Pages from: 7  to: 10

KeyWords: Image analysis; Imaging techniques; Online systems; Particles (particulate matter); Sampling; Semiconductor lasers; Size determination; Video cameras, Sampling volume; Shadowgraph imaging system; Size distributions, Particle size analysis
DOI: 10.1002/ppsc.19930100103

Citations: 9
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