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Title: Deposition of a fine powder in horizontal pipelines and bends
Authors: Reuvekamp, R.J.
Ray, M.B. 
Hoffmann, A.C.
Keywords: Bend
Fine powder
Lean phase
Pneumatic conveying
Powder deposition
Issue Date: 2002
Citation: Reuvekamp, R.J.,Ray, M.B.,Hoffmann, A.C. (2002). Deposition of a fine powder in horizontal pipelines and bends. Chemical Engineering Communications 189 (6) : 849-864. ScholarBank@NUS Repository.
Abstract: The deposition of a very fine powder in a horizontal, lean-phase pneumatic conveying conduit containing a 90° bend has been studied experimentally. The total deposition and the deposition pattern were studied as a function of superficial gas velocity, solids loading and bend geometry: one sharp and three smooth bends of different radii of curvature were used. Most deposition was seen in the sharp bend, while in the smooth bends the deposition did not vary much with radius of curvature. The deposition decreased significantly with increasing superficial gas velocity. The experimental results were compared with CFD simulations of the flow field. The observations are consistent with the notion of deposition in regions with low near-wall gas velocity, indicating that models for deposition should be sought in considerations of the deposit stability for this type of system.
Source Title: Chemical Engineering Communications
ISSN: 00986445
DOI: 10.1080/00986440212477
Appears in Collections:Staff Publications

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