Apparent mass during silo discharge Nonlinear effects related to filling protocols

We study the evolution of the force exerted by a granular column on the bottom surface of a silo during its discharge. Previous to the discharge, we prepare the system using different filling procedures: distributed, i.e. a homogeneous rain of grains across the cross-section of the silo; concentric,...

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Detalles Bibliográficos
Autores principales: Peralta, Juan Pablo, Aguirre, María, Geminard, Jean Christophe, Pugnaloni, Luis
Formato: Artículo publishedVersion
Lenguaje:Inglés
Publicado: Elsevier 2018
Materias:
Granular flow; Granular discharge; Stress in silos
Acceso en línea:http://hdl.handle.net/20.500.12272/2822
Aporte de:
RIA - Repositorio Institucional Abierto (UTN) de Universidad Tecnológica Nacional
id I68-R174-20.500.12272-2822
record_format dspace
institution Universidad Tecnológica Nacional
institution_str I-68
repository_str R-174
collection RIA - Repositorio Institucional Abierto (UTN)
language Inglés
topic Granular flow; Granular discharge; Stress in silos
spellingShingle Granular flow; Granular discharge; Stress in silos
Peralta, Juan Pablo
Aguirre, María
Geminard, Jean Christophe
Pugnaloni, Luis
Apparent mass during silo discharge Nonlinear effects related to filling protocols
topic_facet Granular flow; Granular discharge; Stress in silos
description We study the evolution of the force exerted by a granular column on the bottom surface of a silo during its discharge. Previous to the discharge, we prepare the system using different filling procedures: distributed, i.e. a homogeneous rain of grains across the cross-section of the silo; concentric, a granular jet along the silo axis; and a combination of both, i.e. filling half of the silo using one procedure and the second half using the other. We observe that each filling protocol leads to distinctive evolutions of the apparent mass (i.e., the effective weight sensed at the base) during the discharge. Interestingly, the use of combined filling protocols may lead to a reduced apparent mass, smaller than any other achieved with a simple filling. We propose a model based on the Janssen rationale that quantitatively accounts for the latter puzzling experimental observation.
format Artículo
publishedVersion
Artículo
author Peralta, Juan Pablo
Aguirre, María
Geminard, Jean Christophe
Pugnaloni, Luis
author_facet Peralta, Juan Pablo
Aguirre, María
Geminard, Jean Christophe
Pugnaloni, Luis
author_sort Peralta, Juan Pablo
title Apparent mass during silo discharge Nonlinear effects related to filling protocols
title_short Apparent mass during silo discharge Nonlinear effects related to filling protocols
title_full Apparent mass during silo discharge Nonlinear effects related to filling protocols
title_fullStr Apparent mass during silo discharge Nonlinear effects related to filling protocols
title_full_unstemmed Apparent mass during silo discharge Nonlinear effects related to filling protocols
title_sort apparent mass during silo discharge nonlinear effects related to filling protocols
publisher Elsevier
publishDate 2018
url http://hdl.handle.net/20.500.12272/2822
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AT geminardjeanchristophe apparentmassduringsilodischargenonlineareffectsrelatedtofillingprotocols
AT pugnaloniluis apparentmassduringsilodischargenonlineareffectsrelatedtofillingprotocols
bdutipo_str Repositorios
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