Numerical Study of Multiple Momentum Jets in a Vegetated Crossflow
Vertically discharged multiple jets in crossflow is a common form of wastewater discharge. The presence of vegetation in the flow channel complicates the hydraulic characteristics of jets. The realizable <i<k-ε</i< turbulent model is used to simulate the flow, turbulence, and vortex char...
Ausführliche Beschreibung
Autor*in: |
Hao Yuan [verfasserIn] Chunhua Xia [verfasserIn] Guangde Zhao [verfasserIn] Ruichang Hu [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2023 |
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Schlagwörter: |
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Übergeordnetes Werk: |
In: Water - MDPI AG, 2010, 15(2023), 15, p 2759 |
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Übergeordnetes Werk: |
volume:15 ; year:2023 ; number:15, p 2759 |
Links: |
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DOI / URN: |
10.3390/w15152759 |
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Katalog-ID: |
DOAJ09366902X |
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245 | 1 | 0 | |a Numerical Study of Multiple Momentum Jets in a Vegetated Crossflow |
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520 | |a Vertically discharged multiple jets in crossflow is a common form of wastewater discharge. The presence of vegetation in the flow channel complicates the hydraulic characteristics of jets. The realizable <i<k-ε</i< turbulent model is used to simulate the flow, turbulence, and vortex characteristics of multiple jets with different spacing and jet-to-crossflow velocity ratios, to study the flow characteristics and vortex structure of multiple jets in a vegetated channel. The results reveal that vegetation inhibits the development of a counterrotating vortex pair. The jets with a low jet-to-crossflow velocity ratio are concentrated near the flow symmetry profile by the dual constraints of ambient flow and vegetation. The jets gradually spread outward and the counterrotating vortex pair become more obvious when the jet-to-crossflow velocity ratio increases. Vegetation reduces the shading effect of the front jet on the rear jet by accelerating the dissipation of shear layer vortices. The influence of the front jet on the rear jet decreases as the spacing increases. | ||
650 | 4 | |a vegetated channel | |
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10.3390/w15152759 doi (DE-627)DOAJ09366902X (DE-599)DOAJc1b56de6a6c74b7083b7956f7f33eeda DE-627 ger DE-627 rakwb eng TC1-978 TD201-500 Hao Yuan verfasserin aut Numerical Study of Multiple Momentum Jets in a Vegetated Crossflow 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Vertically discharged multiple jets in crossflow is a common form of wastewater discharge. The presence of vegetation in the flow channel complicates the hydraulic characteristics of jets. The realizable <i<k-ε</i< turbulent model is used to simulate the flow, turbulence, and vortex characteristics of multiple jets with different spacing and jet-to-crossflow velocity ratios, to study the flow characteristics and vortex structure of multiple jets in a vegetated channel. The results reveal that vegetation inhibits the development of a counterrotating vortex pair. The jets with a low jet-to-crossflow velocity ratio are concentrated near the flow symmetry profile by the dual constraints of ambient flow and vegetation. The jets gradually spread outward and the counterrotating vortex pair become more obvious when the jet-to-crossflow velocity ratio increases. Vegetation reduces the shading effect of the front jet on the rear jet by accelerating the dissipation of shear layer vortices. The influence of the front jet on the rear jet decreases as the spacing increases. vegetated channel multiple momentum jets numerical investigation turbulent characteristics vortex structure Hydraulic engineering Water supply for domestic and industrial purposes Chunhua Xia verfasserin aut Guangde Zhao verfasserin aut Ruichang Hu verfasserin aut In Water MDPI AG, 2010 15(2023), 15, p 2759 (DE-627)611729008 (DE-600)2521238-2 20734441 nnns volume:15 year:2023 number:15, p 2759 https://doi.org/10.3390/w15152759 kostenfrei https://doaj.org/article/c1b56de6a6c74b7083b7956f7f33eeda kostenfrei https://www.mdpi.com/2073-4441/15/15/2759 kostenfrei https://doaj.org/toc/2073-4441 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 15 2023 15, p 2759 |
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10.3390/w15152759 doi (DE-627)DOAJ09366902X (DE-599)DOAJc1b56de6a6c74b7083b7956f7f33eeda DE-627 ger DE-627 rakwb eng TC1-978 TD201-500 Hao Yuan verfasserin aut Numerical Study of Multiple Momentum Jets in a Vegetated Crossflow 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Vertically discharged multiple jets in crossflow is a common form of wastewater discharge. The presence of vegetation in the flow channel complicates the hydraulic characteristics of jets. The realizable <i<k-ε</i< turbulent model is used to simulate the flow, turbulence, and vortex characteristics of multiple jets with different spacing and jet-to-crossflow velocity ratios, to study the flow characteristics and vortex structure of multiple jets in a vegetated channel. The results reveal that vegetation inhibits the development of a counterrotating vortex pair. The jets with a low jet-to-crossflow velocity ratio are concentrated near the flow symmetry profile by the dual constraints of ambient flow and vegetation. The jets gradually spread outward and the counterrotating vortex pair become more obvious when the jet-to-crossflow velocity ratio increases. Vegetation reduces the shading effect of the front jet on the rear jet by accelerating the dissipation of shear layer vortices. The influence of the front jet on the rear jet decreases as the spacing increases. vegetated channel multiple momentum jets numerical investigation turbulent characteristics vortex structure Hydraulic engineering Water supply for domestic and industrial purposes Chunhua Xia verfasserin aut Guangde Zhao verfasserin aut Ruichang Hu verfasserin aut In Water MDPI AG, 2010 15(2023), 15, p 2759 (DE-627)611729008 (DE-600)2521238-2 20734441 nnns volume:15 year:2023 number:15, p 2759 https://doi.org/10.3390/w15152759 kostenfrei https://doaj.org/article/c1b56de6a6c74b7083b7956f7f33eeda kostenfrei https://www.mdpi.com/2073-4441/15/15/2759 kostenfrei https://doaj.org/toc/2073-4441 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 15 2023 15, p 2759 |
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10.3390/w15152759 doi (DE-627)DOAJ09366902X (DE-599)DOAJc1b56de6a6c74b7083b7956f7f33eeda DE-627 ger DE-627 rakwb eng TC1-978 TD201-500 Hao Yuan verfasserin aut Numerical Study of Multiple Momentum Jets in a Vegetated Crossflow 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Vertically discharged multiple jets in crossflow is a common form of wastewater discharge. The presence of vegetation in the flow channel complicates the hydraulic characteristics of jets. The realizable <i<k-ε</i< turbulent model is used to simulate the flow, turbulence, and vortex characteristics of multiple jets with different spacing and jet-to-crossflow velocity ratios, to study the flow characteristics and vortex structure of multiple jets in a vegetated channel. The results reveal that vegetation inhibits the development of a counterrotating vortex pair. The jets with a low jet-to-crossflow velocity ratio are concentrated near the flow symmetry profile by the dual constraints of ambient flow and vegetation. The jets gradually spread outward and the counterrotating vortex pair become more obvious when the jet-to-crossflow velocity ratio increases. Vegetation reduces the shading effect of the front jet on the rear jet by accelerating the dissipation of shear layer vortices. The influence of the front jet on the rear jet decreases as the spacing increases. vegetated channel multiple momentum jets numerical investigation turbulent characteristics vortex structure Hydraulic engineering Water supply for domestic and industrial purposes Chunhua Xia verfasserin aut Guangde Zhao verfasserin aut Ruichang Hu verfasserin aut In Water MDPI AG, 2010 15(2023), 15, p 2759 (DE-627)611729008 (DE-600)2521238-2 20734441 nnns volume:15 year:2023 number:15, p 2759 https://doi.org/10.3390/w15152759 kostenfrei https://doaj.org/article/c1b56de6a6c74b7083b7956f7f33eeda kostenfrei https://www.mdpi.com/2073-4441/15/15/2759 kostenfrei https://doaj.org/toc/2073-4441 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 15 2023 15, p 2759 |
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10.3390/w15152759 doi (DE-627)DOAJ09366902X (DE-599)DOAJc1b56de6a6c74b7083b7956f7f33eeda DE-627 ger DE-627 rakwb eng TC1-978 TD201-500 Hao Yuan verfasserin aut Numerical Study of Multiple Momentum Jets in a Vegetated Crossflow 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Vertically discharged multiple jets in crossflow is a common form of wastewater discharge. The presence of vegetation in the flow channel complicates the hydraulic characteristics of jets. The realizable <i<k-ε</i< turbulent model is used to simulate the flow, turbulence, and vortex characteristics of multiple jets with different spacing and jet-to-crossflow velocity ratios, to study the flow characteristics and vortex structure of multiple jets in a vegetated channel. The results reveal that vegetation inhibits the development of a counterrotating vortex pair. The jets with a low jet-to-crossflow velocity ratio are concentrated near the flow symmetry profile by the dual constraints of ambient flow and vegetation. The jets gradually spread outward and the counterrotating vortex pair become more obvious when the jet-to-crossflow velocity ratio increases. Vegetation reduces the shading effect of the front jet on the rear jet by accelerating the dissipation of shear layer vortices. The influence of the front jet on the rear jet decreases as the spacing increases. vegetated channel multiple momentum jets numerical investigation turbulent characteristics vortex structure Hydraulic engineering Water supply for domestic and industrial purposes Chunhua Xia verfasserin aut Guangde Zhao verfasserin aut Ruichang Hu verfasserin aut In Water MDPI AG, 2010 15(2023), 15, p 2759 (DE-627)611729008 (DE-600)2521238-2 20734441 nnns volume:15 year:2023 number:15, p 2759 https://doi.org/10.3390/w15152759 kostenfrei https://doaj.org/article/c1b56de6a6c74b7083b7956f7f33eeda kostenfrei https://www.mdpi.com/2073-4441/15/15/2759 kostenfrei https://doaj.org/toc/2073-4441 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4367 GBV_ILN_4700 AR 15 2023 15, p 2759 |
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abstract |
Vertically discharged multiple jets in crossflow is a common form of wastewater discharge. The presence of vegetation in the flow channel complicates the hydraulic characteristics of jets. The realizable <i<k-ε</i< turbulent model is used to simulate the flow, turbulence, and vortex characteristics of multiple jets with different spacing and jet-to-crossflow velocity ratios, to study the flow characteristics and vortex structure of multiple jets in a vegetated channel. The results reveal that vegetation inhibits the development of a counterrotating vortex pair. The jets with a low jet-to-crossflow velocity ratio are concentrated near the flow symmetry profile by the dual constraints of ambient flow and vegetation. The jets gradually spread outward and the counterrotating vortex pair become more obvious when the jet-to-crossflow velocity ratio increases. Vegetation reduces the shading effect of the front jet on the rear jet by accelerating the dissipation of shear layer vortices. The influence of the front jet on the rear jet decreases as the spacing increases. |
abstractGer |
Vertically discharged multiple jets in crossflow is a common form of wastewater discharge. The presence of vegetation in the flow channel complicates the hydraulic characteristics of jets. The realizable <i<k-ε</i< turbulent model is used to simulate the flow, turbulence, and vortex characteristics of multiple jets with different spacing and jet-to-crossflow velocity ratios, to study the flow characteristics and vortex structure of multiple jets in a vegetated channel. The results reveal that vegetation inhibits the development of a counterrotating vortex pair. The jets with a low jet-to-crossflow velocity ratio are concentrated near the flow symmetry profile by the dual constraints of ambient flow and vegetation. The jets gradually spread outward and the counterrotating vortex pair become more obvious when the jet-to-crossflow velocity ratio increases. Vegetation reduces the shading effect of the front jet on the rear jet by accelerating the dissipation of shear layer vortices. The influence of the front jet on the rear jet decreases as the spacing increases. |
abstract_unstemmed |
Vertically discharged multiple jets in crossflow is a common form of wastewater discharge. The presence of vegetation in the flow channel complicates the hydraulic characteristics of jets. The realizable <i<k-ε</i< turbulent model is used to simulate the flow, turbulence, and vortex characteristics of multiple jets with different spacing and jet-to-crossflow velocity ratios, to study the flow characteristics and vortex structure of multiple jets in a vegetated channel. The results reveal that vegetation inhibits the development of a counterrotating vortex pair. The jets with a low jet-to-crossflow velocity ratio are concentrated near the flow symmetry profile by the dual constraints of ambient flow and vegetation. The jets gradually spread outward and the counterrotating vortex pair become more obvious when the jet-to-crossflow velocity ratio increases. Vegetation reduces the shading effect of the front jet on the rear jet by accelerating the dissipation of shear layer vortices. The influence of the front jet on the rear jet decreases as the spacing increases. |
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score |
7.4003716 |