Destabilization of Immersed Dense Granular Material Submitted to Localized Fluidization: An Experimental and Numerical Study
An alternative experimental approach and a numerical analysis for the study of destabilization by localized fluidization of an immersed dense granular material are presented. To visualize the evolutions of the internal structure of the granular medium, the hydrogel beads, composed of about 99% of wa...
Saved in:
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Wiley
2021-01-01
|
| Series: | Journal of Spectroscopy |
| Online Access: | http://dx.doi.org/10.1155/2021/5542835 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1832546069736587264 |
|---|---|
| author | Aboubacar Sidiki Dramé Li Wang Yanping Zhang |
| author_facet | Aboubacar Sidiki Dramé Li Wang Yanping Zhang |
| author_sort | Aboubacar Sidiki Dramé |
| collection | DOAJ |
| description | An alternative experimental approach and a numerical analysis for the study of destabilization by localized fluidization of an immersed dense granular material are presented. To visualize the evolutions of the internal structure of the granular medium, the hydrogel beads, composed of about 99% of water and having substantially the same refraction indexes, are used as solid phase. A LED lighting system is used in place of a laser lighting system. As a result, the optical access restriction of porous structure is removed. A real economic alternative for the experimental study of fluid-grain coupling during destabilization by localized fluidization of a granular material is created. The experimental phenomenology presented in the literature is verified: the system passes successively through three different stationary regimes: static regime, fluidized cavity regime, and fluidized chimney regime. Some restrictions of using hydrogel beads as particles in the study of liquid-solid interaction are also discussed. |
| format | Article |
| id | doaj-art-88f7174639304587b7f3a49fce240186 |
| institution | Kabale University |
| issn | 2314-4920 2314-4939 |
| language | English |
| publishDate | 2021-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Journal of Spectroscopy |
| spelling | doaj-art-88f7174639304587b7f3a49fce2401862025-02-03T07:24:01ZengWileyJournal of Spectroscopy2314-49202314-49392021-01-01202110.1155/2021/55428355542835Destabilization of Immersed Dense Granular Material Submitted to Localized Fluidization: An Experimental and Numerical StudyAboubacar Sidiki Dramé0Li Wang1Yanping Zhang2School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, ChinaSchool of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, ChinaCentral Research Institute of Building and Construction Co.Ltd., Beijing 100088, ChinaAn alternative experimental approach and a numerical analysis for the study of destabilization by localized fluidization of an immersed dense granular material are presented. To visualize the evolutions of the internal structure of the granular medium, the hydrogel beads, composed of about 99% of water and having substantially the same refraction indexes, are used as solid phase. A LED lighting system is used in place of a laser lighting system. As a result, the optical access restriction of porous structure is removed. A real economic alternative for the experimental study of fluid-grain coupling during destabilization by localized fluidization of a granular material is created. The experimental phenomenology presented in the literature is verified: the system passes successively through three different stationary regimes: static regime, fluidized cavity regime, and fluidized chimney regime. Some restrictions of using hydrogel beads as particles in the study of liquid-solid interaction are also discussed.http://dx.doi.org/10.1155/2021/5542835 |
| spellingShingle | Aboubacar Sidiki Dramé Li Wang Yanping Zhang Destabilization of Immersed Dense Granular Material Submitted to Localized Fluidization: An Experimental and Numerical Study Journal of Spectroscopy |
| title | Destabilization of Immersed Dense Granular Material Submitted to Localized Fluidization: An Experimental and Numerical Study |
| title_full | Destabilization of Immersed Dense Granular Material Submitted to Localized Fluidization: An Experimental and Numerical Study |
| title_fullStr | Destabilization of Immersed Dense Granular Material Submitted to Localized Fluidization: An Experimental and Numerical Study |
| title_full_unstemmed | Destabilization of Immersed Dense Granular Material Submitted to Localized Fluidization: An Experimental and Numerical Study |
| title_short | Destabilization of Immersed Dense Granular Material Submitted to Localized Fluidization: An Experimental and Numerical Study |
| title_sort | destabilization of immersed dense granular material submitted to localized fluidization an experimental and numerical study |
| url | http://dx.doi.org/10.1155/2021/5542835 |
| work_keys_str_mv | AT aboubacarsidikidrame destabilizationofimmerseddensegranularmaterialsubmittedtolocalizedfluidizationanexperimentalandnumericalstudy AT liwang destabilizationofimmerseddensegranularmaterialsubmittedtolocalizedfluidizationanexperimentalandnumericalstudy AT yanpingzhang destabilizationofimmerseddensegranularmaterialsubmittedtolocalizedfluidizationanexperimentalandnumericalstudy |