Segregation and pattern formation in dilute granular media under microgravity conditions

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 ma...

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Autores principales:	Eric Opsomer, Martial Noirhomme, Nicolas Vandewalle, Eric Falcon, Simon Merminod
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Biotechnology TP248.13-248.65 Physiology QP1-981
Acceso en línea:	https://doaj.org/article/f07cf163543a4e7890dfb4a0c1ae9dd5
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spelling	oai:doaj.org-article:f07cf163543a4e7890dfb4a0c1ae9dd52021-12-02T15:18:48ZSegregation and pattern formation in dilute granular media under microgravity conditions10.1038/s41526-016-0009-12373-8065https://doaj.org/article/f07cf163543a4e7890dfb4a0c1ae9dd52017-01-01T00:00:00Zhttps://doi.org/10.1038/s41526-016-0009-1https://doaj.org/toc/2373-8065Space 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.Eric OpsomerMartial NoirhommeNicolas VandewalleEric FalconSimon MerminodNature PortfolioarticleBiotechnologyTP248.13-248.65PhysiologyQP1-981ENnpj Microgravity, Vol 3, Iss 1, Pp 1-2 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Biotechnology TP248.13-248.65 Physiology QP1-981
spellingShingle	Biotechnology TP248.13-248.65 Physiology QP1-981 Eric Opsomer Martial Noirhomme Nicolas Vandewalle Eric Falcon Simon Merminod Segregation and pattern formation in dilute granular media under microgravity conditions
description	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.
format	article
author	Eric Opsomer Martial Noirhomme Nicolas Vandewalle Eric Falcon Simon Merminod
author_facet	Eric Opsomer Martial Noirhomme Nicolas Vandewalle Eric Falcon Simon Merminod
author_sort	Eric Opsomer
title	Segregation and pattern formation in dilute granular media under microgravity conditions
title_short	Segregation and pattern formation in dilute granular media under microgravity conditions
title_full	Segregation and pattern formation in dilute granular media under microgravity conditions
title_fullStr	Segregation and pattern formation in dilute granular media under microgravity conditions
title_full_unstemmed	Segregation and pattern formation in dilute granular media under microgravity conditions
title_sort	segregation and pattern formation in dilute granular media under microgravity conditions
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/f07cf163543a4e7890dfb4a0c1ae9dd5
work_keys_str_mv	AT ericopsomer segregationandpatternformationindilutegranularmediaundermicrogravityconditions AT martialnoirhomme segregationandpatternformationindilutegranularmediaundermicrogravityconditions AT nicolasvandewalle segregationandpatternformationindilutegranularmediaundermicrogravityconditions AT ericfalcon segregationandpatternformationindilutegranularmediaundermicrogravityconditions AT simonmerminod segregationandpatternformationindilutegranularmediaundermicrogravityconditions
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Segregation and pattern formation in dilute granular media under microgravity conditions

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