Article (Scientific journals)
Segregation and pattern formation in dilute granular media under microgravity conditions
Opsomer, Eric; Noirhomme, Martial; Vandewalle, Nicolas et al.
2017In NPJ Microgravity, 3
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Keywords :
Granular matter; Segregation; Parabolic flights
Abstract :
[en] Space exploration and exploitation face a major challenge: the handling of granular materials in low-gravity environments. Indeed, grains behave quite differently in space than on Earth, and the dissipative nature of the collisions between solid particles leads to clustering. Within poly-disperse materials, the question of segregation is highly relevant but has not been addressed so far in microgravity. From parabolic flight experiments on dilute binary granular media, we show that clustering can trigger a segregation mechanism, and we observe, for the first time, the formation of layered structures in the bulk.
Disciplines :
Physics
Author, co-author :
Opsomer, Eric  ;  Université de Liège > Département de physique > Physique statistique
Noirhomme, Martial ;  Université de Liège > Département de physique > Physique statistique
Vandewalle, Nicolas  ;  Université de Liège > Département de physique > Physique statistique
Falcon, Eric;  Université Paris Diderot - Paris 7 > Matière et systèmes complex
Merminod, Simon;  Université Paris Diderot - Paris 7 > Matière et systèmes complex
Language :
English
Title :
Segregation and pattern formation in dilute granular media under microgravity conditions
Publication date :
05 January 2017
Journal title :
NPJ Microgravity
eISSN :
2373-8065
Publisher :
Nature Publishing Group, United States
Volume :
3
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 09 January 2017

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