Particulate Products by Henk G. Merkus & Gabriel M.H. Meesters

Author:Henk G. Merkus & Gabriel M.H. Meesters
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham

It is argued in the literature that size segregation might be stimulated by the so called Brazil Nut Effect (BNE) [50] (Fig. 7.18). BNE is a hot item in advanced journals, where the “normal” BNE, i.e., the migration of large particles to the top (so, against the gravity force) of a finer-grained mixture is distinguished from the reversed BNE and the horizontal one; both with respect to the gravitation direction. Research has been conducted showing volumetric density of the migrating particle(s) with respect to that of the rest of the mixture and the size ratio of the two particle systems involved to be leading parameters in whether we can expect dealing with one of these concepts (Fig. 7.19). Some supporting evidence in concrete technology is published in [50], also providing the proper references of the abovementioned contributions to the BNE.

Fig. 7.18HADES simulation (video snapshots) of size segregation during vibration at container bottom (Brazil Nut Effect) [57]. (Reproduced with permission. Copyright Springer)

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