Flow rate of polygonal grains through a bottleneck Interplay between shape and size
- Autores
- Goldberg, Ezequiel; Carlevaro, Manuel; Pugnaloni, Luis
- Año de publicación
- 2015
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- We report two-dimensional simulations of circular and polygonal grains passing through an aperture at the bottom of a silo. The mass flow rate for regular polygons is lower than for disks\red{,} as observed by other authors. We show that both the exit velocity of the grains and the packing fraction are lower for polygons, which leads to the reduced flow rate. We point out the importance of the criteria used to define when two objects of different shape are considered to be of the same size. Depending on this criteria, the mass flow rate may vary significantly for some polygons. Moreover, the particle flow rate is non-trivially related to a combination of mass flow rate, particle shape and particle size. For some polygons, the particle flow rate may be lower or higher than that of the corresponding disks depending on the size comparison criteria.
Fil: Goldberg, Ezequiel. UTN (Universidad Tecnológica Nacional). Facultad Regional Buenos Aires. UDB Física; Argentina
Fil: Carlevaro, Manuel. UTN (Universidad Tecnológica Nacional). Facultad Regional Buenos Aires. UDB Física. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Pugnaloni, Luis. UTN (Universidad Tecnológica Nacional). Departamento de Ingeniería Mecánica. GMG; Argentina
Peer Reviewed - Materia
- Granular flow; Non-circular particles
- Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- Atribución (Attribution): En cualquier explotación de la obra autorizada por la licencia será necesario reconocer la autoría (obligatoria en todos los casos). No comercial (Non Commercial): La explotación de la obra queda limitada a usos no comerciales. Sin obras derivadas (No Derivate Works): La autorización para explotar la obra no incluye la posibilidad de crear una obra derivada (traducciones, adaptaciones, etc.).
- Repositorio
- Institución
- Universidad Tecnológica Nacional
- OAI Identificador
- oai:ria.utn.edu.ar:20.500.12272/2795
Ver los metadatos del registro completo
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Flow rate of polygonal grains through a bottleneck Interplay between shape and sizeGoldberg, EzequielCarlevaro, ManuelPugnaloni, LuisGranular flow; Non-circular particlesWe report two-dimensional simulations of circular and polygonal grains passing through an aperture at the bottom of a silo. The mass flow rate for regular polygons is lower than for disks\red{,} as observed by other authors. We show that both the exit velocity of the grains and the packing fraction are lower for polygons, which leads to the reduced flow rate. We point out the importance of the criteria used to define when two objects of different shape are considered to be of the same size. Depending on this criteria, the mass flow rate may vary significantly for some polygons. Moreover, the particle flow rate is non-trivially related to a combination of mass flow rate, particle shape and particle size. For some polygons, the particle flow rate may be lower or higher than that of the corresponding disks depending on the size comparison criteria.Fil: Goldberg, Ezequiel. UTN (Universidad Tecnológica Nacional). Facultad Regional Buenos Aires. UDB Física; ArgentinaFil: Carlevaro, Manuel. UTN (Universidad Tecnológica Nacional). Facultad Regional Buenos Aires. UDB Física. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Pugnaloni, Luis. UTN (Universidad Tecnológica Nacional). Departamento de Ingeniería Mecánica. GMG; ArgentinaPeer ReviewedPapers in Physics2018-05-02T21:04:15Z2018-05-02T21:04:15Z2015info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/20.500.12272/279510.4279/PIP.070016enghttp://www.papersinphysics.org/index.php/papersinphysics/article/view/259info:eu-repo/semantics/openAccessAtribución (Attribution): En cualquier explotación de la obra autorizada por la licencia será necesario reconocer la autoría (obligatoria en todos los casos). No comercial (Non Commercial): La explotación de la obra queda limitada a usos no comerciales. Sin obras derivadas (No Derivate Works): La autorización para explotar la obra no incluye la posibilidad de crear una obra derivada (traducciones, adaptaciones, etc.).reponame:Repositorio Institucional Abierto (UTN)instname:Universidad Tecnológica Nacional2025-09-29T14:29:38Zoai:ria.utn.edu.ar:20.500.12272/2795instacron:UTNInstitucionalhttp://ria.utn.edu.ar/Universidad públicaNo correspondehttp://ria.utn.edu.ar/oaigestionria@rec.utn.edu.ar; fsuarez@rec.utn.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:a2025-09-29 14:29:38.717Repositorio Institucional Abierto (UTN) - Universidad Tecnológica Nacionalfalse |
dc.title.none.fl_str_mv |
Flow rate of polygonal grains through a bottleneck Interplay between shape and size |
title |
Flow rate of polygonal grains through a bottleneck Interplay between shape and size |
spellingShingle |
Flow rate of polygonal grains through a bottleneck Interplay between shape and size Goldberg, Ezequiel Granular flow; Non-circular particles |
title_short |
Flow rate of polygonal grains through a bottleneck Interplay between shape and size |
title_full |
Flow rate of polygonal grains through a bottleneck Interplay between shape and size |
title_fullStr |
Flow rate of polygonal grains through a bottleneck Interplay between shape and size |
title_full_unstemmed |
Flow rate of polygonal grains through a bottleneck Interplay between shape and size |
title_sort |
Flow rate of polygonal grains through a bottleneck Interplay between shape and size |
dc.creator.none.fl_str_mv |
Goldberg, Ezequiel Carlevaro, Manuel Pugnaloni, Luis |
author |
Goldberg, Ezequiel |
author_facet |
Goldberg, Ezequiel Carlevaro, Manuel Pugnaloni, Luis |
author_role |
author |
author2 |
Carlevaro, Manuel Pugnaloni, Luis |
author2_role |
author author |
dc.subject.none.fl_str_mv |
Granular flow; Non-circular particles |
topic |
Granular flow; Non-circular particles |
dc.description.none.fl_txt_mv |
We report two-dimensional simulations of circular and polygonal grains passing through an aperture at the bottom of a silo. The mass flow rate for regular polygons is lower than for disks\red{,} as observed by other authors. We show that both the exit velocity of the grains and the packing fraction are lower for polygons, which leads to the reduced flow rate. We point out the importance of the criteria used to define when two objects of different shape are considered to be of the same size. Depending on this criteria, the mass flow rate may vary significantly for some polygons. Moreover, the particle flow rate is non-trivially related to a combination of mass flow rate, particle shape and particle size. For some polygons, the particle flow rate may be lower or higher than that of the corresponding disks depending on the size comparison criteria. Fil: Goldberg, Ezequiel. UTN (Universidad Tecnológica Nacional). Facultad Regional Buenos Aires. UDB Física; Argentina Fil: Carlevaro, Manuel. UTN (Universidad Tecnológica Nacional). Facultad Regional Buenos Aires. UDB Física. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Pugnaloni, Luis. UTN (Universidad Tecnológica Nacional). Departamento de Ingeniería Mecánica. GMG; Argentina Peer Reviewed |
description |
We report two-dimensional simulations of circular and polygonal grains passing through an aperture at the bottom of a silo. The mass flow rate for regular polygons is lower than for disks\red{,} as observed by other authors. We show that both the exit velocity of the grains and the packing fraction are lower for polygons, which leads to the reduced flow rate. We point out the importance of the criteria used to define when two objects of different shape are considered to be of the same size. Depending on this criteria, the mass flow rate may vary significantly for some polygons. Moreover, the particle flow rate is non-trivially related to a combination of mass flow rate, particle shape and particle size. For some polygons, the particle flow rate may be lower or higher than that of the corresponding disks depending on the size comparison criteria. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015 2018-05-02T21:04:15Z 2018-05-02T21:04:15Z |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/20.500.12272/2795 10.4279/PIP.070016 |
url |
http://hdl.handle.net/20.500.12272/2795 |
identifier_str_mv |
10.4279/PIP.070016 |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
http://www.papersinphysics.org/index.php/papersinphysics/article/view/259 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess Atribución (Attribution): En cualquier explotación de la obra autorizada por la licencia será necesario reconocer la autoría (obligatoria en todos los casos). No comercial (Non Commercial): La explotación de la obra queda limitada a usos no comerciales. Sin obras derivadas (No Derivate Works): La autorización para explotar la obra no incluye la posibilidad de crear una obra derivada (traducciones, adaptaciones, etc.). |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
Atribución (Attribution): En cualquier explotación de la obra autorizada por la licencia será necesario reconocer la autoría (obligatoria en todos los casos). No comercial (Non Commercial): La explotación de la obra queda limitada a usos no comerciales. Sin obras derivadas (No Derivate Works): La autorización para explotar la obra no incluye la posibilidad de crear una obra derivada (traducciones, adaptaciones, etc.). |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Papers in Physics |
publisher.none.fl_str_mv |
Papers in Physics |
dc.source.none.fl_str_mv |
reponame:Repositorio Institucional Abierto (UTN) instname:Universidad Tecnológica Nacional |
reponame_str |
Repositorio Institucional Abierto (UTN) |
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Repositorio Institucional Abierto (UTN) |
instname_str |
Universidad Tecnológica Nacional |
repository.name.fl_str_mv |
Repositorio Institucional Abierto (UTN) - Universidad Tecnológica Nacional |
repository.mail.fl_str_mv |
gestionria@rec.utn.edu.ar; fsuarez@rec.utn.edu.ar |
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12.559606 |