UNSPECIFIED (2001) Fine structure of granular banding in two-phase rimming flow. PHYSICS OF FLUIDS, 13 (9). pp. 2720-2723. ISSN 1070-6631

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Abstract

Solid-liquid two-phase flow inside a partially filled horizontally rotating cylinder is investigated. We document the observation of a new, secondary banding pattern developing in the flow when the solid phase comes out of suspension to accumulate as regularly spaced, circumferential bands on the inner cylinder wall. This secondary pattern, the fine structure, is superposed on the primary pattern which we previously described [O. A. M. Boote and P. J. Thomas, Phys. Fluids 11, 2020 (1999)]. The fine structure is characterized by each of the primary bands adopting a compound structure consisting of three individual, narrower secondary bands. New results on the influence of the physical properties of the solid phase on transitions between characteristic flow states are briefly discussed. It is reported that state-transition boundaries in the phase plane and the wavelength of the primary instability are insensitive to particle size and shape while there exist influences due to the particle density. (C) 2001 American Institute of Physics.

Item Type:	Journal Article
Subjects:	T Technology > TJ Mechanical engineering and machinery Q Science > QC Physics
Journal or Publication Title:	PHYSICS OF FLUIDS
Publisher:	AMER INST PHYSICS
ISSN:	1070-6631
Date:	September 2001
Volume:	13
Number:	9
Number of Pages:	4
Page Range:	pp. 2720-2723
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/11860

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