Gravity-Driven Monodisperse Avalanches: Inertial- to Frictional-Dominated Flow
Abstract A set of experiments on avalanches—each one with a single particle size (monodisperse)—is presented. Experiments were performed with different flume lengths, inclinations, and roughness, for different avalanching masses and particle sizes. A transition from an inertial behavior to a frictio...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Bartali, Roberto [verfasserIn] |
|---|
| Format: |
Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2020 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer-Verlag GmbH Austria, part of Springer Nature 2020 |
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| Übergeordnetes Werk: |
Enthalten in: Rock mechanics and rock engineering - Springer Vienna, 1983, 53(2020), 8 vom: 15. Mai, Seite 3507-3520 |
|---|---|
| Übergeordnetes Werk: |
volume:53 ; year:2020 ; number:8 ; day:15 ; month:05 ; pages:3507-3520 |
| Links: |
|---|
| DOI / URN: |
10.1007/s00603-020-02144-w |
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OLC2118632959 |
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| 520 | |a Abstract A set of experiments on avalanches—each one with a single particle size (monodisperse)—is presented. Experiments were performed with different flume lengths, inclinations, and roughness, for different avalanching masses and particle sizes. A transition from an inertial behavior to a frictional dominated one is observed at a particle size of 1 mm, in all cases. Taking into account the energy dissipated during each step of the avalanching process, we inferred a scaling function that allowed us to collapse all experimental data into a single curve. The transition from an inertial to a frictional dominated regime is explained in terms of the increasing number of particles per unit mass with decreasing particle size, for which the external shear activates a growing number of internal degrees of freedom in which the energy is dissipated. Molecular dynamic numerical simulations showed consistency with the suggested hypothesis of higher dissipated power for larger number of avalanching particles (smaller grain size). | ||
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10.1007/s00603-020-02144-w doi (DE-627)OLC2118632959 (DE-He213)s00603-020-02144-w-p DE-627 ger DE-627 rakwb eng 690 VZ 16,13 19,1 ssgn Bartali, Roberto verfasserin (orcid)0000-0002-2321-9334 aut Gravity-Driven Monodisperse Avalanches: Inertial- to Frictional-Dominated Flow 2020 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag GmbH Austria, part of Springer Nature 2020 Abstract A set of experiments on avalanches—each one with a single particle size (monodisperse)—is presented. Experiments were performed with different flume lengths, inclinations, and roughness, for different avalanching masses and particle sizes. A transition from an inertial behavior to a frictional dominated one is observed at a particle size of 1 mm, in all cases. Taking into account the energy dissipated during each step of the avalanching process, we inferred a scaling function that allowed us to collapse all experimental data into a single curve. The transition from an inertial to a frictional dominated regime is explained in terms of the increasing number of particles per unit mass with decreasing particle size, for which the external shear activates a growing number of internal degrees of freedom in which the energy is dissipated. Molecular dynamic numerical simulations showed consistency with the suggested hypothesis of higher dissipated power for larger number of avalanching particles (smaller grain size). Runout Granular flows Granular avalanches Nahmad-Molinari, Yuri aut Rodríguez-Liñán, Gustavo M. aut Torres-Cisneros, Luis A. aut Pérez-Ángel, Gabriel aut Enthalten in Rock mechanics and rock engineering Springer Vienna, 1983 53(2020), 8 vom: 15. Mai, Seite 3507-3520 (DE-627)129620696 (DE-600)246075-0 (DE-576)015126897 0723-2632 nnns volume:53 year:2020 number:8 day:15 month:05 pages:3507-3520 https://doi.org/10.1007/s00603-020-02144-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_30 GBV_ILN_2004 AR 53 2020 8 15 05 3507-3520 |
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10.1007/s00603-020-02144-w doi (DE-627)OLC2118632959 (DE-He213)s00603-020-02144-w-p DE-627 ger DE-627 rakwb eng 690 VZ 16,13 19,1 ssgn Bartali, Roberto verfasserin (orcid)0000-0002-2321-9334 aut Gravity-Driven Monodisperse Avalanches: Inertial- to Frictional-Dominated Flow 2020 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag GmbH Austria, part of Springer Nature 2020 Abstract A set of experiments on avalanches—each one with a single particle size (monodisperse)—is presented. Experiments were performed with different flume lengths, inclinations, and roughness, for different avalanching masses and particle sizes. A transition from an inertial behavior to a frictional dominated one is observed at a particle size of 1 mm, in all cases. Taking into account the energy dissipated during each step of the avalanching process, we inferred a scaling function that allowed us to collapse all experimental data into a single curve. The transition from an inertial to a frictional dominated regime is explained in terms of the increasing number of particles per unit mass with decreasing particle size, for which the external shear activates a growing number of internal degrees of freedom in which the energy is dissipated. Molecular dynamic numerical simulations showed consistency with the suggested hypothesis of higher dissipated power for larger number of avalanching particles (smaller grain size). Runout Granular flows Granular avalanches Nahmad-Molinari, Yuri aut Rodríguez-Liñán, Gustavo M. aut Torres-Cisneros, Luis A. aut Pérez-Ángel, Gabriel aut Enthalten in Rock mechanics and rock engineering Springer Vienna, 1983 53(2020), 8 vom: 15. Mai, Seite 3507-3520 (DE-627)129620696 (DE-600)246075-0 (DE-576)015126897 0723-2632 nnns volume:53 year:2020 number:8 day:15 month:05 pages:3507-3520 https://doi.org/10.1007/s00603-020-02144-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_30 GBV_ILN_2004 AR 53 2020 8 15 05 3507-3520 |
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10.1007/s00603-020-02144-w doi (DE-627)OLC2118632959 (DE-He213)s00603-020-02144-w-p DE-627 ger DE-627 rakwb eng 690 VZ 16,13 19,1 ssgn Bartali, Roberto verfasserin (orcid)0000-0002-2321-9334 aut Gravity-Driven Monodisperse Avalanches: Inertial- to Frictional-Dominated Flow 2020 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag GmbH Austria, part of Springer Nature 2020 Abstract A set of experiments on avalanches—each one with a single particle size (monodisperse)—is presented. Experiments were performed with different flume lengths, inclinations, and roughness, for different avalanching masses and particle sizes. A transition from an inertial behavior to a frictional dominated one is observed at a particle size of 1 mm, in all cases. Taking into account the energy dissipated during each step of the avalanching process, we inferred a scaling function that allowed us to collapse all experimental data into a single curve. The transition from an inertial to a frictional dominated regime is explained in terms of the increasing number of particles per unit mass with decreasing particle size, for which the external shear activates a growing number of internal degrees of freedom in which the energy is dissipated. Molecular dynamic numerical simulations showed consistency with the suggested hypothesis of higher dissipated power for larger number of avalanching particles (smaller grain size). Runout Granular flows Granular avalanches Nahmad-Molinari, Yuri aut Rodríguez-Liñán, Gustavo M. aut Torres-Cisneros, Luis A. aut Pérez-Ángel, Gabriel aut Enthalten in Rock mechanics and rock engineering Springer Vienna, 1983 53(2020), 8 vom: 15. Mai, Seite 3507-3520 (DE-627)129620696 (DE-600)246075-0 (DE-576)015126897 0723-2632 nnns volume:53 year:2020 number:8 day:15 month:05 pages:3507-3520 https://doi.org/10.1007/s00603-020-02144-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_30 GBV_ILN_2004 AR 53 2020 8 15 05 3507-3520 |
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10.1007/s00603-020-02144-w doi (DE-627)OLC2118632959 (DE-He213)s00603-020-02144-w-p DE-627 ger DE-627 rakwb eng 690 VZ 16,13 19,1 ssgn Bartali, Roberto verfasserin (orcid)0000-0002-2321-9334 aut Gravity-Driven Monodisperse Avalanches: Inertial- to Frictional-Dominated Flow 2020 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag GmbH Austria, part of Springer Nature 2020 Abstract A set of experiments on avalanches—each one with a single particle size (monodisperse)—is presented. Experiments were performed with different flume lengths, inclinations, and roughness, for different avalanching masses and particle sizes. A transition from an inertial behavior to a frictional dominated one is observed at a particle size of 1 mm, in all cases. Taking into account the energy dissipated during each step of the avalanching process, we inferred a scaling function that allowed us to collapse all experimental data into a single curve. The transition from an inertial to a frictional dominated regime is explained in terms of the increasing number of particles per unit mass with decreasing particle size, for which the external shear activates a growing number of internal degrees of freedom in which the energy is dissipated. Molecular dynamic numerical simulations showed consistency with the suggested hypothesis of higher dissipated power for larger number of avalanching particles (smaller grain size). Runout Granular flows Granular avalanches Nahmad-Molinari, Yuri aut Rodríguez-Liñán, Gustavo M. aut Torres-Cisneros, Luis A. aut Pérez-Ángel, Gabriel aut Enthalten in Rock mechanics and rock engineering Springer Vienna, 1983 53(2020), 8 vom: 15. Mai, Seite 3507-3520 (DE-627)129620696 (DE-600)246075-0 (DE-576)015126897 0723-2632 nnns volume:53 year:2020 number:8 day:15 month:05 pages:3507-3520 https://doi.org/10.1007/s00603-020-02144-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_30 GBV_ILN_2004 AR 53 2020 8 15 05 3507-3520 |
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10.1007/s00603-020-02144-w doi (DE-627)OLC2118632959 (DE-He213)s00603-020-02144-w-p DE-627 ger DE-627 rakwb eng 690 VZ 16,13 19,1 ssgn Bartali, Roberto verfasserin (orcid)0000-0002-2321-9334 aut Gravity-Driven Monodisperse Avalanches: Inertial- to Frictional-Dominated Flow 2020 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer-Verlag GmbH Austria, part of Springer Nature 2020 Abstract A set of experiments on avalanches—each one with a single particle size (monodisperse)—is presented. Experiments were performed with different flume lengths, inclinations, and roughness, for different avalanching masses and particle sizes. A transition from an inertial behavior to a frictional dominated one is observed at a particle size of 1 mm, in all cases. Taking into account the energy dissipated during each step of the avalanching process, we inferred a scaling function that allowed us to collapse all experimental data into a single curve. The transition from an inertial to a frictional dominated regime is explained in terms of the increasing number of particles per unit mass with decreasing particle size, for which the external shear activates a growing number of internal degrees of freedom in which the energy is dissipated. Molecular dynamic numerical simulations showed consistency with the suggested hypothesis of higher dissipated power for larger number of avalanching particles (smaller grain size). Runout Granular flows Granular avalanches Nahmad-Molinari, Yuri aut Rodríguez-Liñán, Gustavo M. aut Torres-Cisneros, Luis A. aut Pérez-Ángel, Gabriel aut Enthalten in Rock mechanics and rock engineering Springer Vienna, 1983 53(2020), 8 vom: 15. Mai, Seite 3507-3520 (DE-627)129620696 (DE-600)246075-0 (DE-576)015126897 0723-2632 nnns volume:53 year:2020 number:8 day:15 month:05 pages:3507-3520 https://doi.org/10.1007/s00603-020-02144-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-ARC SSG-OLC-TEC SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_30 GBV_ILN_2004 AR 53 2020 8 15 05 3507-3520 |
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Bartali, Roberto Nahmad-Molinari, Yuri Rodríguez-Liñán, Gustavo M. Torres-Cisneros, Luis A. Pérez-Ángel, Gabriel |
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gravity-driven monodisperse avalanches: inertial- to frictional-dominated flow |
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Gravity-Driven Monodisperse Avalanches: Inertial- to Frictional-Dominated Flow |
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Abstract A set of experiments on avalanches—each one with a single particle size (monodisperse)—is presented. Experiments were performed with different flume lengths, inclinations, and roughness, for different avalanching masses and particle sizes. A transition from an inertial behavior to a frictional dominated one is observed at a particle size of 1 mm, in all cases. Taking into account the energy dissipated during each step of the avalanching process, we inferred a scaling function that allowed us to collapse all experimental data into a single curve. The transition from an inertial to a frictional dominated regime is explained in terms of the increasing number of particles per unit mass with decreasing particle size, for which the external shear activates a growing number of internal degrees of freedom in which the energy is dissipated. Molecular dynamic numerical simulations showed consistency with the suggested hypothesis of higher dissipated power for larger number of avalanching particles (smaller grain size). © Springer-Verlag GmbH Austria, part of Springer Nature 2020 |
| abstractGer |
Abstract A set of experiments on avalanches—each one with a single particle size (monodisperse)—is presented. Experiments were performed with different flume lengths, inclinations, and roughness, for different avalanching masses and particle sizes. A transition from an inertial behavior to a frictional dominated one is observed at a particle size of 1 mm, in all cases. Taking into account the energy dissipated during each step of the avalanching process, we inferred a scaling function that allowed us to collapse all experimental data into a single curve. The transition from an inertial to a frictional dominated regime is explained in terms of the increasing number of particles per unit mass with decreasing particle size, for which the external shear activates a growing number of internal degrees of freedom in which the energy is dissipated. Molecular dynamic numerical simulations showed consistency with the suggested hypothesis of higher dissipated power for larger number of avalanching particles (smaller grain size). © Springer-Verlag GmbH Austria, part of Springer Nature 2020 |
| abstract_unstemmed |
Abstract A set of experiments on avalanches—each one with a single particle size (monodisperse)—is presented. Experiments were performed with different flume lengths, inclinations, and roughness, for different avalanching masses and particle sizes. A transition from an inertial behavior to a frictional dominated one is observed at a particle size of 1 mm, in all cases. Taking into account the energy dissipated during each step of the avalanching process, we inferred a scaling function that allowed us to collapse all experimental data into a single curve. The transition from an inertial to a frictional dominated regime is explained in terms of the increasing number of particles per unit mass with decreasing particle size, for which the external shear activates a growing number of internal degrees of freedom in which the energy is dissipated. Molecular dynamic numerical simulations showed consistency with the suggested hypothesis of higher dissipated power for larger number of avalanching particles (smaller grain size). © Springer-Verlag GmbH Austria, part of Springer Nature 2020 |
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Gravity-Driven Monodisperse Avalanches: Inertial- to Frictional-Dominated Flow |
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