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Transport velocities of different particulate materials in pneumatic conveying

M. Hartman, M. Phořelý, and O. Trnka

Institute of Chemical Process Fundamentals, Academy of Sciences of the Czech Republic, CZ-165 02 Prague, Czech Republic

 

E-mail: hartman@icpf.cas.cz

Received: 2 May 2005  Revised: 17 October 2005  Accepted: 25 October 2005

Abstract: Particle horizontal transport and vertical entrainment of widely different materials (silica sand, alumina, ceramsite, dry sludge, and wood shreds) are explored by experimental measurements. Experiments have been performed with two very narrow fractions of solids (0.315–0.50 mm and 1.4–1.6 mm) on a laboratory setup. Simple empirical correlations are proposed in terms of the Reynolds and Archimedes criteria for the commencement of the horizontal conveying as well as the vertical entrainment of particles in pipelines.

Full paper is available at www.springerlink.com.

DOI: 10.2478/s11696-006-0015-y

 

Chemical Papers 60 (1) 74–77 (2006)

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