Miscible transfer of solute in different model fractures: From random to multiscale wall roughness
- Autores
- Auradou, Harold; Boschan, Alejandro; Chertcoff, Ricardo Héctor; D'angelo, María Verónica; Hulin, Jean-Pierre; Ippolito, Irene Paula
- Año de publicación
- 2010
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Miscible tracer dispersion measurements in transparent model fractures with different types of wall roughness are reported. The nature (Fickian or not) of dispersion is determined by studying variations of the mixing front as a function of the distance travelled but also as a function of the lateral scale over which the tracer concentration is averaged. The dominant hydrodynamic dispersion mechanisms (velocity profile in the gap, velocity variations in the fracture plane) are established by comparing measurements using Newtonian and shear thinning fluids. For small monodisperse rugosities, front spreading is diffusive with a dominant geometrical dispersion (dispersion coefficient D ∝ Pe or constant dispersivity ld = D/U) at low Péclet numbers Pe; at higher Pe values, one has either ld ∝ Pe (i.e. Taylor dispersion) for obstacles of height smaller than the gap, or ld ∝ Pe0.35 for obstacles bridging the gap. For a self-affine multiscale roughness like in actual rocks and a relative shear displacement over(δ, →) of complementary walls, the aperture field is channelized in the direction perpendicular to over(δ, →). For a mean velocity over(U, →) parallel to the channels, the global front geometry reflects the velocity contrast between them and is predicted from the aperture field. For over(U, →) perpendicular to the channels, global front spreading is much reduced. Local spreading of the front thickness remains mostly controlled by Taylor dispersion except in the case of a very strong channelization parallel to over(U, →).
Fil: Auradou, Harold. Université Pierre et Marie Curie; Francia. Université Paris Sud; Francia
Fil: Boschan, Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Université Pierre et Marie Curie; Francia. Université Paris Sud; Francia. Universidad de Buenos Aires. Facultad de Ingeniería. Departamento de Física. Grupo de Medios Porosos; Argentina
Fil: Chertcoff, Ricardo Héctor. Universidad de Buenos Aires; Argentina
Fil: D'angelo, María Verónica. Université Pierre et Marie Curie; Francia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Université Paris Sud; Francia. Universidad de Buenos Aires. Facultad de Ingeniería. Departamento de Física. Grupo de Medios Porosos; Argentina
Fil: Hulin, Jean-Pierre. Université Pierre et Marie Curie; Francia. Université Paris Sud; Francia
Fil: Ippolito, Irene Paula. Universidad de Buenos Aires. Facultad de Ingeniería. Departamento de Física. Grupo de Medios Porosos; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina - Materia
-
DISPERSION
FRACTURES
MULTISCALE
ROUGHNESS
SELF-AFFINE
SHEAR-THINNING - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/139157
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CONICET Digital (CONICET) |
spelling |
Miscible transfer of solute in different model fractures: From random to multiscale wall roughnessTransport miscible de solutés dans différentes fractures modèles : influence de la rugosité aléatoire ou multiéchellesAuradou, HaroldBoschan, AlejandroChertcoff, Ricardo HéctorD'angelo, María VerónicaHulin, Jean-PierreIppolito, Irene PaulaDISPERSIONFRACTURESMULTISCALEROUGHNESSSELF-AFFINESHEAR-THINNINGhttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1Miscible tracer dispersion measurements in transparent model fractures with different types of wall roughness are reported. The nature (Fickian or not) of dispersion is determined by studying variations of the mixing front as a function of the distance travelled but also as a function of the lateral scale over which the tracer concentration is averaged. The dominant hydrodynamic dispersion mechanisms (velocity profile in the gap, velocity variations in the fracture plane) are established by comparing measurements using Newtonian and shear thinning fluids. For small monodisperse rugosities, front spreading is diffusive with a dominant geometrical dispersion (dispersion coefficient D ∝ Pe or constant dispersivity ld = D/U) at low Péclet numbers Pe; at higher Pe values, one has either ld ∝ Pe (i.e. Taylor dispersion) for obstacles of height smaller than the gap, or ld ∝ Pe0.35 for obstacles bridging the gap. For a self-affine multiscale roughness like in actual rocks and a relative shear displacement over(δ, →) of complementary walls, the aperture field is channelized in the direction perpendicular to over(δ, →). For a mean velocity over(U, →) parallel to the channels, the global front geometry reflects the velocity contrast between them and is predicted from the aperture field. For over(U, →) perpendicular to the channels, global front spreading is much reduced. Local spreading of the front thickness remains mostly controlled by Taylor dispersion except in the case of a very strong channelization parallel to over(U, →).Fil: Auradou, Harold. Université Pierre et Marie Curie; Francia. Université Paris Sud; FranciaFil: Boschan, Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Université Pierre et Marie Curie; Francia. Université Paris Sud; Francia. Universidad de Buenos Aires. Facultad de Ingeniería. Departamento de Física. Grupo de Medios Porosos; ArgentinaFil: Chertcoff, Ricardo Héctor. Universidad de Buenos Aires; ArgentinaFil: D'angelo, María Verónica. Université Pierre et Marie Curie; Francia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Université Paris Sud; Francia. Universidad de Buenos Aires. Facultad de Ingeniería. Departamento de Física. Grupo de Medios Porosos; ArgentinaFil: Hulin, Jean-Pierre. Université Pierre et Marie Curie; Francia. Université Paris Sud; FranciaFil: Ippolito, Irene Paula. Universidad de Buenos Aires. Facultad de Ingeniería. Departamento de Física. Grupo de Medios Porosos; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaElsevier France-Editions Scientifiques Medicales Elsevier2010-07info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/139157Auradou, Harold; Boschan, Alejandro; Chertcoff, Ricardo Héctor; D'angelo, María Verónica; Hulin, Jean-Pierre; et al.; Miscible transfer of solute in different model fractures: From random to multiscale wall roughness; Elsevier France-Editions Scientifiques Medicales Elsevier; Comptes Rendus Geoscience; 342; 7-8; 7-2010; 644-6521631-0713CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S1631071309000601info:eu-repo/semantics/altIdentifier/doi/10.1016/j.crte.2009.03.003info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:33:56Zoai:ri.conicet.gov.ar:11336/139157instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 09:33:56.936CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Miscible transfer of solute in different model fractures: From random to multiscale wall roughness Transport miscible de solutés dans différentes fractures modèles : influence de la rugosité aléatoire ou multiéchelles |
title |
Miscible transfer of solute in different model fractures: From random to multiscale wall roughness |
spellingShingle |
Miscible transfer of solute in different model fractures: From random to multiscale wall roughness Auradou, Harold DISPERSION FRACTURES MULTISCALE ROUGHNESS SELF-AFFINE SHEAR-THINNING |
title_short |
Miscible transfer of solute in different model fractures: From random to multiscale wall roughness |
title_full |
Miscible transfer of solute in different model fractures: From random to multiscale wall roughness |
title_fullStr |
Miscible transfer of solute in different model fractures: From random to multiscale wall roughness |
title_full_unstemmed |
Miscible transfer of solute in different model fractures: From random to multiscale wall roughness |
title_sort |
Miscible transfer of solute in different model fractures: From random to multiscale wall roughness |
dc.creator.none.fl_str_mv |
Auradou, Harold Boschan, Alejandro Chertcoff, Ricardo Héctor D'angelo, María Verónica Hulin, Jean-Pierre Ippolito, Irene Paula |
author |
Auradou, Harold |
author_facet |
Auradou, Harold Boschan, Alejandro Chertcoff, Ricardo Héctor D'angelo, María Verónica Hulin, Jean-Pierre Ippolito, Irene Paula |
author_role |
author |
author2 |
Boschan, Alejandro Chertcoff, Ricardo Héctor D'angelo, María Verónica Hulin, Jean-Pierre Ippolito, Irene Paula |
author2_role |
author author author author author |
dc.subject.none.fl_str_mv |
DISPERSION FRACTURES MULTISCALE ROUGHNESS SELF-AFFINE SHEAR-THINNING |
topic |
DISPERSION FRACTURES MULTISCALE ROUGHNESS SELF-AFFINE SHEAR-THINNING |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.3 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
Miscible tracer dispersion measurements in transparent model fractures with different types of wall roughness are reported. The nature (Fickian or not) of dispersion is determined by studying variations of the mixing front as a function of the distance travelled but also as a function of the lateral scale over which the tracer concentration is averaged. The dominant hydrodynamic dispersion mechanisms (velocity profile in the gap, velocity variations in the fracture plane) are established by comparing measurements using Newtonian and shear thinning fluids. For small monodisperse rugosities, front spreading is diffusive with a dominant geometrical dispersion (dispersion coefficient D ∝ Pe or constant dispersivity ld = D/U) at low Péclet numbers Pe; at higher Pe values, one has either ld ∝ Pe (i.e. Taylor dispersion) for obstacles of height smaller than the gap, or ld ∝ Pe0.35 for obstacles bridging the gap. For a self-affine multiscale roughness like in actual rocks and a relative shear displacement over(δ, →) of complementary walls, the aperture field is channelized in the direction perpendicular to over(δ, →). For a mean velocity over(U, →) parallel to the channels, the global front geometry reflects the velocity contrast between them and is predicted from the aperture field. For over(U, →) perpendicular to the channels, global front spreading is much reduced. Local spreading of the front thickness remains mostly controlled by Taylor dispersion except in the case of a very strong channelization parallel to over(U, →). Fil: Auradou, Harold. Université Pierre et Marie Curie; Francia. Université Paris Sud; Francia Fil: Boschan, Alejandro. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Université Pierre et Marie Curie; Francia. Université Paris Sud; Francia. Universidad de Buenos Aires. Facultad de Ingeniería. Departamento de Física. Grupo de Medios Porosos; Argentina Fil: Chertcoff, Ricardo Héctor. Universidad de Buenos Aires; Argentina Fil: D'angelo, María Verónica. Université Pierre et Marie Curie; Francia. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Université Paris Sud; Francia. Universidad de Buenos Aires. Facultad de Ingeniería. Departamento de Física. Grupo de Medios Porosos; Argentina Fil: Hulin, Jean-Pierre. Université Pierre et Marie Curie; Francia. Université Paris Sud; Francia Fil: Ippolito, Irene Paula. Universidad de Buenos Aires. Facultad de Ingeniería. Departamento de Física. Grupo de Medios Porosos; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina |
description |
Miscible tracer dispersion measurements in transparent model fractures with different types of wall roughness are reported. The nature (Fickian or not) of dispersion is determined by studying variations of the mixing front as a function of the distance travelled but also as a function of the lateral scale over which the tracer concentration is averaged. The dominant hydrodynamic dispersion mechanisms (velocity profile in the gap, velocity variations in the fracture plane) are established by comparing measurements using Newtonian and shear thinning fluids. For small monodisperse rugosities, front spreading is diffusive with a dominant geometrical dispersion (dispersion coefficient D ∝ Pe or constant dispersivity ld = D/U) at low Péclet numbers Pe; at higher Pe values, one has either ld ∝ Pe (i.e. Taylor dispersion) for obstacles of height smaller than the gap, or ld ∝ Pe0.35 for obstacles bridging the gap. For a self-affine multiscale roughness like in actual rocks and a relative shear displacement over(δ, →) of complementary walls, the aperture field is channelized in the direction perpendicular to over(δ, →). For a mean velocity over(U, →) parallel to the channels, the global front geometry reflects the velocity contrast between them and is predicted from the aperture field. For over(U, →) perpendicular to the channels, global front spreading is much reduced. Local spreading of the front thickness remains mostly controlled by Taylor dispersion except in the case of a very strong channelization parallel to over(U, →). |
publishDate |
2010 |
dc.date.none.fl_str_mv |
2010-07 |
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/11336/139157 Auradou, Harold; Boschan, Alejandro; Chertcoff, Ricardo Héctor; D'angelo, María Verónica; Hulin, Jean-Pierre; et al.; Miscible transfer of solute in different model fractures: From random to multiscale wall roughness; Elsevier France-Editions Scientifiques Medicales Elsevier; Comptes Rendus Geoscience; 342; 7-8; 7-2010; 644-652 1631-0713 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/139157 |
identifier_str_mv |
Auradou, Harold; Boschan, Alejandro; Chertcoff, Ricardo Héctor; D'angelo, María Verónica; Hulin, Jean-Pierre; et al.; Miscible transfer of solute in different model fractures: From random to multiscale wall roughness; Elsevier France-Editions Scientifiques Medicales Elsevier; Comptes Rendus Geoscience; 342; 7-8; 7-2010; 644-652 1631-0713 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S1631071309000601 info:eu-repo/semantics/altIdentifier/doi/10.1016/j.crte.2009.03.003 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier France-Editions Scientifiques Medicales Elsevier |
publisher.none.fl_str_mv |
Elsevier France-Editions Scientifiques Medicales Elsevier |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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1844613047616798720 |
score |
13.070432 |