Characterization of Bimolecular Reactive Transport in Heterogeneous Porous Media
Abstract We characterize the role of preferential pathways in controlling the dynamics of bimolecular reactive transport in a representative model of a heterogeneous porous medium. We examine a suite of numerical simulations that quantifies the irreversible bimolecular reaction $$A+B\rightarrow C$$,...
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| Autor*in: |
Edery, Yaniv [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2016 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer Science+Business Media Dordrecht 2016 |
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| Übergeordnetes Werk: |
Enthalten in: Transport in porous media - Springer Netherlands, 1986, 115(2016), 2 vom: 05. Apr., Seite 291-310 |
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| Übergeordnetes Werk: |
volume:115 ; year:2016 ; number:2 ; day:05 ; month:04 ; pages:291-310 |
| Links: |
|---|
| DOI / URN: |
10.1007/s11242-016-0684-0 |
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| Katalog-ID: |
OLC2054392596 |
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| 520 | |a Abstract We characterize the role of preferential pathways in controlling the dynamics of bimolecular reactive transport in a representative model of a heterogeneous porous medium. We examine a suite of numerical simulations that quantifies the irreversible bimolecular reaction $$A+B\rightarrow C$$, in a two-dimensional heterogeneous domain (with log-conductivity, Y), wherein solute A is injected along an inlet boundary to displace the resident solute B under uniform (in the mean) flow conditions. We explore the feedback between the reactive process and (a) the degree of system heterogeneity, as quantified by the unconditional variance of Y, $$1 \le \sigma _Y^2\le 7$$, representing moderately to strongly heterogeneous media, and (b) the relative strengths of advective and diffusive mechanisms, as quantified by a grid Péclet number, $$\textit{Pe}_ {\Delta }$$. Our analysis is based on the identification of particle preferential pathways, focusing on particle residence time within cells employed to discretize the flow domain. These preferential pathways are formed mainly by high conductivity cells and generally contain an important component of (sometimes isolated and a relatively small number of) lower conductivity values. A key finding of our analysis is that while the former dominate the behavior, the latter are shown to provide a non-negligible contribution to the global number of reactions taking place in the domain for strongly heterogeneous media, i.e., for the largest investigated values of $$\sigma _Y^2 $$. Reactions are detected across the complete simulation time window (of about 5.5 pore volumes) for the strongly advective case. When diffusion plays an important role, the reactive process essentially stops after the injection of a limited amount ($$\sim $$2.5) of pore volumes. | ||
| 650 | 4 | |a Reactive solute transport | |
| 650 | 4 | |a Heterogeneous conductivity fields | |
| 650 | 4 | |a Numerical simulation | |
| 650 | 4 | |a Particle tracking | |
| 650 | 4 | |a Preferential pathways formation | |
| 700 | 1 | |a Porta, Giovanni M. |4 aut | |
| 700 | 1 | |a Guadagnini, Alberto |4 aut | |
| 700 | 1 | |a Scher, Harvey |4 aut | |
| 700 | 1 | |a Berkowitz, Brian |4 aut | |
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10.1007/s11242-016-0684-0 doi (DE-627)OLC2054392596 (DE-He213)s11242-016-0684-0-p DE-627 ger DE-627 rakwb eng 530 VZ Edery, Yaniv verfasserin aut Characterization of Bimolecular Reactive Transport in Heterogeneous Porous Media 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media Dordrecht 2016 Abstract We characterize the role of preferential pathways in controlling the dynamics of bimolecular reactive transport in a representative model of a heterogeneous porous medium. We examine a suite of numerical simulations that quantifies the irreversible bimolecular reaction $$A+B\rightarrow C$$, in a two-dimensional heterogeneous domain (with log-conductivity, Y), wherein solute A is injected along an inlet boundary to displace the resident solute B under uniform (in the mean) flow conditions. We explore the feedback between the reactive process and (a) the degree of system heterogeneity, as quantified by the unconditional variance of Y, $$1 \le \sigma _Y^2\le 7$$, representing moderately to strongly heterogeneous media, and (b) the relative strengths of advective and diffusive mechanisms, as quantified by a grid Péclet number, $$\textit{Pe}_ {\Delta }$$. Our analysis is based on the identification of particle preferential pathways, focusing on particle residence time within cells employed to discretize the flow domain. These preferential pathways are formed mainly by high conductivity cells and generally contain an important component of (sometimes isolated and a relatively small number of) lower conductivity values. A key finding of our analysis is that while the former dominate the behavior, the latter are shown to provide a non-negligible contribution to the global number of reactions taking place in the domain for strongly heterogeneous media, i.e., for the largest investigated values of $$\sigma _Y^2 $$. Reactions are detected across the complete simulation time window (of about 5.5 pore volumes) for the strongly advective case. When diffusion plays an important role, the reactive process essentially stops after the injection of a limited amount ($$\sim $$2.5) of pore volumes. Reactive solute transport Heterogeneous conductivity fields Numerical simulation Particle tracking Preferential pathways formation Porta, Giovanni M. aut Guadagnini, Alberto aut Scher, Harvey aut Berkowitz, Brian aut Enthalten in Transport in porous media Springer Netherlands, 1986 115(2016), 2 vom: 05. Apr., Seite 291-310 (DE-627)129206105 (DE-600)54858-3 (DE-576)014457431 0169-3913 nnns volume:115 year:2016 number:2 day:05 month:04 pages:291-310 https://doi.org/10.1007/s11242-016-0684-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_70 AR 115 2016 2 05 04 291-310 |
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10.1007/s11242-016-0684-0 doi (DE-627)OLC2054392596 (DE-He213)s11242-016-0684-0-p DE-627 ger DE-627 rakwb eng 530 VZ Edery, Yaniv verfasserin aut Characterization of Bimolecular Reactive Transport in Heterogeneous Porous Media 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media Dordrecht 2016 Abstract We characterize the role of preferential pathways in controlling the dynamics of bimolecular reactive transport in a representative model of a heterogeneous porous medium. We examine a suite of numerical simulations that quantifies the irreversible bimolecular reaction $$A+B\rightarrow C$$, in a two-dimensional heterogeneous domain (with log-conductivity, Y), wherein solute A is injected along an inlet boundary to displace the resident solute B under uniform (in the mean) flow conditions. We explore the feedback between the reactive process and (a) the degree of system heterogeneity, as quantified by the unconditional variance of Y, $$1 \le \sigma _Y^2\le 7$$, representing moderately to strongly heterogeneous media, and (b) the relative strengths of advective and diffusive mechanisms, as quantified by a grid Péclet number, $$\textit{Pe}_ {\Delta }$$. Our analysis is based on the identification of particle preferential pathways, focusing on particle residence time within cells employed to discretize the flow domain. These preferential pathways are formed mainly by high conductivity cells and generally contain an important component of (sometimes isolated and a relatively small number of) lower conductivity values. A key finding of our analysis is that while the former dominate the behavior, the latter are shown to provide a non-negligible contribution to the global number of reactions taking place in the domain for strongly heterogeneous media, i.e., for the largest investigated values of $$\sigma _Y^2 $$. Reactions are detected across the complete simulation time window (of about 5.5 pore volumes) for the strongly advective case. When diffusion plays an important role, the reactive process essentially stops after the injection of a limited amount ($$\sim $$2.5) of pore volumes. Reactive solute transport Heterogeneous conductivity fields Numerical simulation Particle tracking Preferential pathways formation Porta, Giovanni M. aut Guadagnini, Alberto aut Scher, Harvey aut Berkowitz, Brian aut Enthalten in Transport in porous media Springer Netherlands, 1986 115(2016), 2 vom: 05. Apr., Seite 291-310 (DE-627)129206105 (DE-600)54858-3 (DE-576)014457431 0169-3913 nnns volume:115 year:2016 number:2 day:05 month:04 pages:291-310 https://doi.org/10.1007/s11242-016-0684-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_70 AR 115 2016 2 05 04 291-310 |
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10.1007/s11242-016-0684-0 doi (DE-627)OLC2054392596 (DE-He213)s11242-016-0684-0-p DE-627 ger DE-627 rakwb eng 530 VZ Edery, Yaniv verfasserin aut Characterization of Bimolecular Reactive Transport in Heterogeneous Porous Media 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media Dordrecht 2016 Abstract We characterize the role of preferential pathways in controlling the dynamics of bimolecular reactive transport in a representative model of a heterogeneous porous medium. We examine a suite of numerical simulations that quantifies the irreversible bimolecular reaction $$A+B\rightarrow C$$, in a two-dimensional heterogeneous domain (with log-conductivity, Y), wherein solute A is injected along an inlet boundary to displace the resident solute B under uniform (in the mean) flow conditions. We explore the feedback between the reactive process and (a) the degree of system heterogeneity, as quantified by the unconditional variance of Y, $$1 \le \sigma _Y^2\le 7$$, representing moderately to strongly heterogeneous media, and (b) the relative strengths of advective and diffusive mechanisms, as quantified by a grid Péclet number, $$\textit{Pe}_ {\Delta }$$. Our analysis is based on the identification of particle preferential pathways, focusing on particle residence time within cells employed to discretize the flow domain. These preferential pathways are formed mainly by high conductivity cells and generally contain an important component of (sometimes isolated and a relatively small number of) lower conductivity values. A key finding of our analysis is that while the former dominate the behavior, the latter are shown to provide a non-negligible contribution to the global number of reactions taking place in the domain for strongly heterogeneous media, i.e., for the largest investigated values of $$\sigma _Y^2 $$. Reactions are detected across the complete simulation time window (of about 5.5 pore volumes) for the strongly advective case. When diffusion plays an important role, the reactive process essentially stops after the injection of a limited amount ($$\sim $$2.5) of pore volumes. Reactive solute transport Heterogeneous conductivity fields Numerical simulation Particle tracking Preferential pathways formation Porta, Giovanni M. aut Guadagnini, Alberto aut Scher, Harvey aut Berkowitz, Brian aut Enthalten in Transport in porous media Springer Netherlands, 1986 115(2016), 2 vom: 05. Apr., Seite 291-310 (DE-627)129206105 (DE-600)54858-3 (DE-576)014457431 0169-3913 nnns volume:115 year:2016 number:2 day:05 month:04 pages:291-310 https://doi.org/10.1007/s11242-016-0684-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_70 AR 115 2016 2 05 04 291-310 |
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10.1007/s11242-016-0684-0 doi (DE-627)OLC2054392596 (DE-He213)s11242-016-0684-0-p DE-627 ger DE-627 rakwb eng 530 VZ Edery, Yaniv verfasserin aut Characterization of Bimolecular Reactive Transport in Heterogeneous Porous Media 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media Dordrecht 2016 Abstract We characterize the role of preferential pathways in controlling the dynamics of bimolecular reactive transport in a representative model of a heterogeneous porous medium. We examine a suite of numerical simulations that quantifies the irreversible bimolecular reaction $$A+B\rightarrow C$$, in a two-dimensional heterogeneous domain (with log-conductivity, Y), wherein solute A is injected along an inlet boundary to displace the resident solute B under uniform (in the mean) flow conditions. We explore the feedback between the reactive process and (a) the degree of system heterogeneity, as quantified by the unconditional variance of Y, $$1 \le \sigma _Y^2\le 7$$, representing moderately to strongly heterogeneous media, and (b) the relative strengths of advective and diffusive mechanisms, as quantified by a grid Péclet number, $$\textit{Pe}_ {\Delta }$$. Our analysis is based on the identification of particle preferential pathways, focusing on particle residence time within cells employed to discretize the flow domain. These preferential pathways are formed mainly by high conductivity cells and generally contain an important component of (sometimes isolated and a relatively small number of) lower conductivity values. A key finding of our analysis is that while the former dominate the behavior, the latter are shown to provide a non-negligible contribution to the global number of reactions taking place in the domain for strongly heterogeneous media, i.e., for the largest investigated values of $$\sigma _Y^2 $$. Reactions are detected across the complete simulation time window (of about 5.5 pore volumes) for the strongly advective case. When diffusion plays an important role, the reactive process essentially stops after the injection of a limited amount ($$\sim $$2.5) of pore volumes. Reactive solute transport Heterogeneous conductivity fields Numerical simulation Particle tracking Preferential pathways formation Porta, Giovanni M. aut Guadagnini, Alberto aut Scher, Harvey aut Berkowitz, Brian aut Enthalten in Transport in porous media Springer Netherlands, 1986 115(2016), 2 vom: 05. Apr., Seite 291-310 (DE-627)129206105 (DE-600)54858-3 (DE-576)014457431 0169-3913 nnns volume:115 year:2016 number:2 day:05 month:04 pages:291-310 https://doi.org/10.1007/s11242-016-0684-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_70 AR 115 2016 2 05 04 291-310 |
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10.1007/s11242-016-0684-0 doi (DE-627)OLC2054392596 (DE-He213)s11242-016-0684-0-p DE-627 ger DE-627 rakwb eng 530 VZ Edery, Yaniv verfasserin aut Characterization of Bimolecular Reactive Transport in Heterogeneous Porous Media 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media Dordrecht 2016 Abstract We characterize the role of preferential pathways in controlling the dynamics of bimolecular reactive transport in a representative model of a heterogeneous porous medium. We examine a suite of numerical simulations that quantifies the irreversible bimolecular reaction $$A+B\rightarrow C$$, in a two-dimensional heterogeneous domain (with log-conductivity, Y), wherein solute A is injected along an inlet boundary to displace the resident solute B under uniform (in the mean) flow conditions. We explore the feedback between the reactive process and (a) the degree of system heterogeneity, as quantified by the unconditional variance of Y, $$1 \le \sigma _Y^2\le 7$$, representing moderately to strongly heterogeneous media, and (b) the relative strengths of advective and diffusive mechanisms, as quantified by a grid Péclet number, $$\textit{Pe}_ {\Delta }$$. Our analysis is based on the identification of particle preferential pathways, focusing on particle residence time within cells employed to discretize the flow domain. These preferential pathways are formed mainly by high conductivity cells and generally contain an important component of (sometimes isolated and a relatively small number of) lower conductivity values. A key finding of our analysis is that while the former dominate the behavior, the latter are shown to provide a non-negligible contribution to the global number of reactions taking place in the domain for strongly heterogeneous media, i.e., for the largest investigated values of $$\sigma _Y^2 $$. Reactions are detected across the complete simulation time window (of about 5.5 pore volumes) for the strongly advective case. When diffusion plays an important role, the reactive process essentially stops after the injection of a limited amount ($$\sim $$2.5) of pore volumes. Reactive solute transport Heterogeneous conductivity fields Numerical simulation Particle tracking Preferential pathways formation Porta, Giovanni M. aut Guadagnini, Alberto aut Scher, Harvey aut Berkowitz, Brian aut Enthalten in Transport in porous media Springer Netherlands, 1986 115(2016), 2 vom: 05. Apr., Seite 291-310 (DE-627)129206105 (DE-600)54858-3 (DE-576)014457431 0169-3913 nnns volume:115 year:2016 number:2 day:05 month:04 pages:291-310 https://doi.org/10.1007/s11242-016-0684-0 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_70 AR 115 2016 2 05 04 291-310 |
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Characterization of Bimolecular Reactive Transport in Heterogeneous Porous Media |
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Characterization of Bimolecular Reactive Transport in Heterogeneous Porous Media |
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Edery, Yaniv |
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Transport in porous media |
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Transport in porous media |
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Edery, Yaniv Porta, Giovanni M. Guadagnini, Alberto Scher, Harvey Berkowitz, Brian |
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Edery, Yaniv |
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10.1007/s11242-016-0684-0 |
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530 |
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characterization of bimolecular reactive transport in heterogeneous porous media |
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Characterization of Bimolecular Reactive Transport in Heterogeneous Porous Media |
| abstract |
Abstract We characterize the role of preferential pathways in controlling the dynamics of bimolecular reactive transport in a representative model of a heterogeneous porous medium. We examine a suite of numerical simulations that quantifies the irreversible bimolecular reaction $$A+B\rightarrow C$$, in a two-dimensional heterogeneous domain (with log-conductivity, Y), wherein solute A is injected along an inlet boundary to displace the resident solute B under uniform (in the mean) flow conditions. We explore the feedback between the reactive process and (a) the degree of system heterogeneity, as quantified by the unconditional variance of Y, $$1 \le \sigma _Y^2\le 7$$, representing moderately to strongly heterogeneous media, and (b) the relative strengths of advective and diffusive mechanisms, as quantified by a grid Péclet number, $$\textit{Pe}_ {\Delta }$$. Our analysis is based on the identification of particle preferential pathways, focusing on particle residence time within cells employed to discretize the flow domain. These preferential pathways are formed mainly by high conductivity cells and generally contain an important component of (sometimes isolated and a relatively small number of) lower conductivity values. A key finding of our analysis is that while the former dominate the behavior, the latter are shown to provide a non-negligible contribution to the global number of reactions taking place in the domain for strongly heterogeneous media, i.e., for the largest investigated values of $$\sigma _Y^2 $$. Reactions are detected across the complete simulation time window (of about 5.5 pore volumes) for the strongly advective case. When diffusion plays an important role, the reactive process essentially stops after the injection of a limited amount ($$\sim $$2.5) of pore volumes. © Springer Science+Business Media Dordrecht 2016 |
| abstractGer |
Abstract We characterize the role of preferential pathways in controlling the dynamics of bimolecular reactive transport in a representative model of a heterogeneous porous medium. We examine a suite of numerical simulations that quantifies the irreversible bimolecular reaction $$A+B\rightarrow C$$, in a two-dimensional heterogeneous domain (with log-conductivity, Y), wherein solute A is injected along an inlet boundary to displace the resident solute B under uniform (in the mean) flow conditions. We explore the feedback between the reactive process and (a) the degree of system heterogeneity, as quantified by the unconditional variance of Y, $$1 \le \sigma _Y^2\le 7$$, representing moderately to strongly heterogeneous media, and (b) the relative strengths of advective and diffusive mechanisms, as quantified by a grid Péclet number, $$\textit{Pe}_ {\Delta }$$. Our analysis is based on the identification of particle preferential pathways, focusing on particle residence time within cells employed to discretize the flow domain. These preferential pathways are formed mainly by high conductivity cells and generally contain an important component of (sometimes isolated and a relatively small number of) lower conductivity values. A key finding of our analysis is that while the former dominate the behavior, the latter are shown to provide a non-negligible contribution to the global number of reactions taking place in the domain for strongly heterogeneous media, i.e., for the largest investigated values of $$\sigma _Y^2 $$. Reactions are detected across the complete simulation time window (of about 5.5 pore volumes) for the strongly advective case. When diffusion plays an important role, the reactive process essentially stops after the injection of a limited amount ($$\sim $$2.5) of pore volumes. © Springer Science+Business Media Dordrecht 2016 |
| abstract_unstemmed |
Abstract We characterize the role of preferential pathways in controlling the dynamics of bimolecular reactive transport in a representative model of a heterogeneous porous medium. We examine a suite of numerical simulations that quantifies the irreversible bimolecular reaction $$A+B\rightarrow C$$, in a two-dimensional heterogeneous domain (with log-conductivity, Y), wherein solute A is injected along an inlet boundary to displace the resident solute B under uniform (in the mean) flow conditions. We explore the feedback between the reactive process and (a) the degree of system heterogeneity, as quantified by the unconditional variance of Y, $$1 \le \sigma _Y^2\le 7$$, representing moderately to strongly heterogeneous media, and (b) the relative strengths of advective and diffusive mechanisms, as quantified by a grid Péclet number, $$\textit{Pe}_ {\Delta }$$. Our analysis is based on the identification of particle preferential pathways, focusing on particle residence time within cells employed to discretize the flow domain. These preferential pathways are formed mainly by high conductivity cells and generally contain an important component of (sometimes isolated and a relatively small number of) lower conductivity values. A key finding of our analysis is that while the former dominate the behavior, the latter are shown to provide a non-negligible contribution to the global number of reactions taking place in the domain for strongly heterogeneous media, i.e., for the largest investigated values of $$\sigma _Y^2 $$. Reactions are detected across the complete simulation time window (of about 5.5 pore volumes) for the strongly advective case. When diffusion plays an important role, the reactive process essentially stops after the injection of a limited amount ($$\sim $$2.5) of pore volumes. © Springer Science+Business Media Dordrecht 2016 |
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Characterization of Bimolecular Reactive Transport in Heterogeneous Porous Media |
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Porta, Giovanni M. Guadagnini, Alberto Scher, Harvey Berkowitz, Brian |
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