A first-order segregation phenomenon in fluid-immersed granular systems

Nair P, Torres Cisneros LA, Windows-Yule CRK, Agrawal N, Roy S, Pöschel T (2020)

Publication Type: Journal article

Publication year: 2020

Journal

Powder Technology Elsevier

Book Volume: 373

Pages Range: 357-361

DOI: 10.1016/j.powtec.2020.06.036

Abstract

A vast majority of widely accepted granular segregation mechanisms are attributed to dynamic phenomena such as percolation, kinetic sieving, convection-induced segregation, condensation, inertia and granular temperature gradients. We distinguish the ballistics of the particles from such dynamic and material properties and show that the former is a dominant mechanism in the segregation of particles sedimented in a container. We first perform granular sedimentation experiments with glass beads in water that exhibit size-segregation of bidisperse grains. We then show through simulations using a simple, first-order model that the ballistics of the particles alone is sufficient to qualitatively predict this segregation.

Authors with CRIS profile

Prapanch Nair Lehrstuhl für Multiscale Simulation of Particulate Systems Luis Armando Torres Cisneros Lehrstuhl für Multiscale Simulation of Particulate Systems Thorsten Pöschel Lehrstuhl für Multiscale Simulation of Particulate Systems

Involved external institutions

University of Birmingham

United Kingdom (GB) University of California, Berkeley

United States (USA) (US) Indian Institute of Technology (IIT), Delhi

India (IN)

How to cite

APA:

Nair, P., Torres Cisneros, L.A., Windows-Yule, C.R.K., Agrawal, N., Roy, S., & Pöschel, T. (2020). A first-order segregation phenomenon in fluid-immersed granular systems. Powder Technology, 373, 357-361. https://dx.doi.org/10.1016/j.powtec.2020.06.036

MLA:

Nair, Prapanch, et al. "A first-order segregation phenomenon in fluid-immersed granular systems." Powder Technology 373 (2020): 357-361.

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