An experimental and numerical study of the influence of viscosity on the behavior of dam-break flow
In this paper, experimental and numerical methods are presented to investigate the dam-break flow in a horizontal rectangular section flume. In the experimental part of the research, different configurations have been tested: dry flume and the presence of shallow ambient water downstream with varied...
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| Veröffentlicht in: | Theoretical and computational fluid dynamics 2021-06, Vol.35 (3), p.345-362 |
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| creator | Nguyen-Thi, Le-Quyen Nguyen, Viet-Dung Pierens, Xavier Coorevits, Patrice |
| description | In this paper, experimental and numerical methods are presented to investigate the dam-break flow in a horizontal rectangular section flume. In the experimental part of the research, different configurations have been tested: dry flume and the presence of shallow ambient water downstream with varied depth. In addition, experiments with viscosity changes in the fluid have been conducted. Numerically, the volume of the fluid method associated with the shear-stress transport turbulence model was used to examine the dam-break flow dynamics. Based on a review of analytical models in the literature, formulas for free water surfaces and propagation fronts were detailed. Qualitatively, various experimental snapshots of free water surfaces were obtained from the digitized images and compared with numerical predictions. Typical jet-like and mushroom-like formations have been observed. Experimental free surface profiles have been plotted against analytical and numerical results for different flow stages. The simulation of high-viscous fluid was conducted to emphasize the role of viscosity in negative wavefront velocity. By the comparison of the dam-break front locations from analytical, experimental, and numerical data, the effects of viscosity on the dam-break flow have been examined. In line with this, the influence of ambient water depth on the front propagation’s average velocity has been investigated. Finally, the air bubble characteristics, such as area, shape, and lifetime under the effects of fluid viscosity and surface tension, have been explored. |
| doi_str_mv | 10.1007/s00162-021-00562-2 |
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In the experimental part of the research, different configurations have been tested: dry flume and the presence of shallow ambient water downstream with varied depth. In addition, experiments with viscosity changes in the fluid have been conducted. Numerically, the volume of the fluid method associated with the shear-stress transport turbulence model was used to examine the dam-break flow dynamics. Based on a review of analytical models in the literature, formulas for free water surfaces and propagation fronts were detailed. Qualitatively, various experimental snapshots of free water surfaces were obtained from the digitized images and compared with numerical predictions. Typical jet-like and mushroom-like formations have been observed. Experimental free surface profiles have been plotted against analytical and numerical results for different flow stages. The simulation of high-viscous fluid was conducted to emphasize the role of viscosity in negative wavefront velocity. By the comparison of the dam-break front locations from analytical, experimental, and numerical data, the effects of viscosity on the dam-break flow have been examined. In line with this, the influence of ambient water depth on the front propagation’s average velocity has been investigated. Finally, the air bubble characteristics, such as area, shape, and lifetime under the effects of fluid viscosity and surface tension, have been explored.</description><identifier>ISSN: 0935-4964</identifier><identifier>EISSN: 1432-2250</identifier><identifier>DOI: 10.1007/s00162-021-00562-2</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Aerodynamics ; Air bubbles ; Analysis ; Average velocity ; Classical and Continuum Physics ; Computational fluid dynamics ; Computational Science and Engineering ; Dam failure ; Dams ; Damsites ; Engineering ; Engineering Fluid Dynamics ; Engineering Sciences ; Fluid flow ; Flumes ; Free surfaces ; Fronts ; Mathematical analysis ; Mushrooms ; Numerical methods ; Numerical prediction ; Original Article ; Propagation velocity ; Surface tension ; Turbulence ; Turbulence models ; Velocity ; Viscosity ; Viscous fluids ; Water depth ; Wave fronts</subject><ispartof>Theoretical and computational fluid dynamics, 2021-06, Vol.35 (3), p.345-362</ispartof><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH, DE part of Springer Nature 2021</rights><rights>COPYRIGHT 2021 Springer</rights><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH, DE part of Springer Nature 2021.</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c392t-e39afdd1adbf57a862f5cd2d07cf68f4aab765fe6b0bc452697a0204e08f92243</citedby><cites>FETCH-LOGICAL-c392t-e39afdd1adbf57a862f5cd2d07cf68f4aab765fe6b0bc452697a0204e08f92243</cites><orcidid>0000-0002-8950-8868 ; 0000-0002-8516-6987</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00162-021-00562-2$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00162-021-00562-2$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>230,314,780,784,885,27924,27925,41488,42557,51319</link.rule.ids><backlink>$$Uhttps://u-picardie.hal.science/hal-03619477$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Nguyen-Thi, Le-Quyen</creatorcontrib><creatorcontrib>Nguyen, Viet-Dung</creatorcontrib><creatorcontrib>Pierens, Xavier</creatorcontrib><creatorcontrib>Coorevits, Patrice</creatorcontrib><title>An experimental and numerical study of the influence of viscosity on the behavior of dam-break flow</title><title>Theoretical and computational fluid dynamics</title><addtitle>Theor. Comput. Fluid Dyn</addtitle><description>In this paper, experimental and numerical methods are presented to investigate the dam-break flow in a horizontal rectangular section flume. In the experimental part of the research, different configurations have been tested: dry flume and the presence of shallow ambient water downstream with varied depth. In addition, experiments with viscosity changes in the fluid have been conducted. Numerically, the volume of the fluid method associated with the shear-stress transport turbulence model was used to examine the dam-break flow dynamics. Based on a review of analytical models in the literature, formulas for free water surfaces and propagation fronts were detailed. Qualitatively, various experimental snapshots of free water surfaces were obtained from the digitized images and compared with numerical predictions. Typical jet-like and mushroom-like formations have been observed. Experimental free surface profiles have been plotted against analytical and numerical results for different flow stages. The simulation of high-viscous fluid was conducted to emphasize the role of viscosity in negative wavefront velocity. By the comparison of the dam-break front locations from analytical, experimental, and numerical data, the effects of viscosity on the dam-break flow have been examined. In line with this, the influence of ambient water depth on the front propagation’s average velocity has been investigated. Finally, the air bubble characteristics, such as area, shape, and lifetime under the effects of fluid viscosity and surface tension, have been explored.</description><subject>Aerodynamics</subject><subject>Air bubbles</subject><subject>Analysis</subject><subject>Average velocity</subject><subject>Classical and Continuum Physics</subject><subject>Computational fluid dynamics</subject><subject>Computational Science and Engineering</subject><subject>Dam failure</subject><subject>Dams</subject><subject>Damsites</subject><subject>Engineering</subject><subject>Engineering Fluid Dynamics</subject><subject>Engineering Sciences</subject><subject>Fluid flow</subject><subject>Flumes</subject><subject>Free surfaces</subject><subject>Fronts</subject><subject>Mathematical analysis</subject><subject>Mushrooms</subject><subject>Numerical methods</subject><subject>Numerical prediction</subject><subject>Original Article</subject><subject>Propagation velocity</subject><subject>Surface 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Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Nguyen-Thi, Le-Quyen</au><au>Nguyen, Viet-Dung</au><au>Pierens, Xavier</au><au>Coorevits, Patrice</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An experimental and numerical study of the influence of viscosity on the behavior of dam-break flow</atitle><jtitle>Theoretical and computational fluid dynamics</jtitle><stitle>Theor. 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Qualitatively, various experimental snapshots of free water surfaces were obtained from the digitized images and compared with numerical predictions. Typical jet-like and mushroom-like formations have been observed. Experimental free surface profiles have been plotted against analytical and numerical results for different flow stages. The simulation of high-viscous fluid was conducted to emphasize the role of viscosity in negative wavefront velocity. By the comparison of the dam-break front locations from analytical, experimental, and numerical data, the effects of viscosity on the dam-break flow have been examined. In line with this, the influence of ambient water depth on the front propagation’s average velocity has been investigated. 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| ispartof | Theoretical and computational fluid dynamics, 2021-06, Vol.35 (3), p.345-362 |
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| subjects | Aerodynamics Air bubbles Analysis Average velocity Classical and Continuum Physics Computational fluid dynamics Computational Science and Engineering Dam failure Dams Damsites Engineering Engineering Fluid Dynamics Engineering Sciences Fluid flow Flumes Free surfaces Fronts Mathematical analysis Mushrooms Numerical methods Numerical prediction Original Article Propagation velocity Surface tension Turbulence Turbulence models Velocity Viscosity Viscous fluids Water depth Wave fronts |
| title | An experimental and numerical study of the influence of viscosity on the behavior of dam-break flow |
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