Movie:River Engineering: Difference between revisions
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|Movie keywords=Channel Processes | |Movie keywords=Channel Processes | ||
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|Animation model name=3D Detached Eddy Simulations | |Animation model name=3D Detached Eddy Simulations | ||
|First name contributor=George | |First name contributor=George | ||
|Last name contributor=Constantinescu | |Last name contributor=Constantinescu | ||
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Groynes are one of the most effective approaches to stabilize eroding banks and to sustain navigable channels at proper depth. They are utilized in river bank protection as well as restoration projects (e.g., restore fish habitat in degraded streams). This movie shows the case of accidental pollution, a series of groynes can substantially modify the dispersion of the pollutant cloud in the river reach. | Groynes are one of the most effective approaches to stabilize eroding banks and to sustain navigable channels at proper depth. They are utilized in river bank protection as well as restoration projects (e.g., restore fish habitat in degraded streams). This movie shows the case of accidental pollution, a series of groynes can substantially modify the dispersion of the pollutant cloud in the river reach. | ||
Bridge Pillars that support the structure change the flow field and promote local differences in sedimentation and erosion. This movie illustrates the shear stress around a bridge pier. | Bridge Pillars that support the structure change the flow field and promote local differences in sedimentation and erosion. This movie illustrates the shear stress around a bridge pier. | ||
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{{Movie theory1 | {{Movie theory1 | ||
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{{Movie references1 | {{Movie references1 | ||
|Key papers on movie if any=Constantinescu, S.G., Sukhodolov, A. and McCoy, A. (2009), "Mass exchange in a shallow channel flow with a series of groynes: LES study and comparison with laboratory and field experiments," Environmental Fluid Mechanics, Vol. 9(6), 587-615, DOI: 10.1007/s10652-009-9155-2 | |Key papers on movie if any=Constantinescu, S.G., Sukhodolov, A. and McCoy, A. (2009), "Mass exchange in a shallow channel flow with a series of groynes: LES study and comparison with laboratory and field experiments," Environmental Fluid Mechanics, Vol. 9(6), 587-615, DOI: 10.1007/s10652-009-9155-2 | ||
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{{Movie references1 | {{Movie references1 | ||
|Key papers on movie if any=McCoy, A., Constantinescu, G. and Weber, L.J. (2008), "Numerical investigation of flow hydrodynamics in a channel with a series of groynes," ASCE J. of Hydr. Engrg., Vol. 134(2), 157-172. DOI:10.1061/(ASCE)0733-9429(2008)134:2(157) | |Key papers on movie if any=McCoy, A., Constantinescu, G. and Weber, L.J. (2008), "Numerical investigation of flow hydrodynamics in a channel with a series of groynes," ASCE J. of Hydr. Engrg., Vol. 134(2), 157-172. DOI:10.1061/(ASCE)0733-9429(2008)134:2(157) | ||
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{{Movie references1 | {{Movie references1 | ||
|Key papers on movie if any=McCoy, A., Constantinescu, G. and Weber, L. (2007), "A numerical investigation of coherent structures and mass exchange processes in a channel flow with two lateral submerged groynes," Water Resources Research, Vol. 43, W05445, DOI:10.1029/2006WRR005267. | |Key papers on movie if any=McCoy, A., Constantinescu, G. and Weber, L. (2007), "A numerical investigation of coherent structures and mass exchange processes in a channel flow with two lateral submerged groynes," Water Resources Research, Vol. 43, W05445, DOI:10.1029/2006WRR005267. | ||
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{{Movie references1 | {{Movie references1 | ||
|Key papers on movie if any=McCoy, A., Constantinescu, G. and Weber, L. (2006), "Exchange processes in a channel with two emerged groynes," Flow, Turbulence, Combustion ERCOFTAC Journal, Vol. 77, 97-126. DOI:10/1007/s100494-006-9039-1 | |Key papers on movie if any=McCoy, A., Constantinescu, G. and Weber, L. (2006), "Exchange processes in a channel with two emerged groynes," Flow, Turbulence, Combustion ERCOFTAC Journal, Vol. 77, 97-126. DOI:10/1007/s100494-006-9039-1 | ||
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{{Movie references1 | {{Movie references1 | ||
|Key papers on movie if any=Kirkil, G., Constantinescu, G. and Ettema, R. (2009), "DES investigation of turbulence and sediment transport at a circular pier with scour hole," Journal of Hydraulic Engineering, Vol. 135(11), 888-901, DOI: 10.1061/(ASCE)HY.1943-7900.0000101. | |Key papers on movie if any=Kirkil, G., Constantinescu, G. and Ettema, R. (2009), "DES investigation of turbulence and sediment transport at a circular pier with scour hole," Journal of Hydraulic Engineering, Vol. 135(11), 888-901, DOI: 10.1061/(ASCE)HY.1943-7900.0000101. | ||
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{{Movie references1 | {{Movie references1 | ||
|Key papers on movie if any=Kirkil, G. and Constantinescu, G. (2009), "Nature of flow and turbulence structure around an in-stream vertical plate in a shallow channel and the implications for sediment erosion," Water Resources Research, Vol. 45, W06412, doi:10.1029/2008WR007363 | |Key papers on movie if any=Kirkil, G. and Constantinescu, G. (2009), "Nature of flow and turbulence structure around an in-stream vertical plate in a shallow channel and the implications for sediment erosion," Water Resources Research, Vol. 45, W06412, doi:10.1029/2008WR007363 | ||
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{{Movie references1 | {{Movie references1 | ||
|Key papers on movie if any=Kirkil, G., Constantinescu, S.G. and Ettema, R. (2008), "Coherent structures in the flow field around a circular cylinder with scour hole," ASCE J. of Hydr. Engrg., Vol. 134(5), 572-587. DOI:10.1061/(ASCE)0733-9429(2008)134:5(572) | |Key papers on movie if any=Kirkil, G., Constantinescu, S.G. and Ettema, R. (2008), "Coherent structures in the flow field around a circular cylinder with scour hole," ASCE J. of Hydr. Engrg., Vol. 134(5), 572-587. DOI:10.1061/(ASCE)0733-9429(2008)134:5(572) | ||
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{{Movie references2}} | {{Movie references2}} | ||
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Revision as of 13:45, 19 June 2013
Information Page: River Engineering
Play Animation
Pollution Propagation in River with Groyns
Key Attributes
| Domain: | terrestrial, hydrology |
| Keywords: | Channel Processes |
| Model name: | 3D Detached Eddy Simulations |
| Name: | George, Constantinescu |
| Where: | -- |
| When: | -- |
Short Description
Grade level: Under graduate (13-16), Graduate / Professional
Statement: Flow field around two common structures in rivers
Abstract: These two movies show flow field around two common structures in rivers.
Groynes are one of the most effective approaches to stabilize eroding banks and to sustain navigable channels at proper depth. They are utilized in river bank protection as well as restoration projects (e.g., restore fish habitat in degraded streams). This movie shows the case of accidental pollution, a series of groynes can substantially modify the dispersion of the pollutant cloud in the river reach.
Bridge Pillars that support the structure change the flow field and promote local differences in sedimentation and erosion. This movie illustrates the shear stress around a bridge pier.
Theory
Mississippi
A groyn is a rigid hydraulic structure built from an ocean shore (in coastal engineering) or from a bank (in rivers) that interrupts water flow and limits the movement of sediment. In some cases it keeps velocity in the main channel such that it is suitable for shipping. In a river, groynes prevent bank erosion and ice-jamming, which in turn aids navigation. The areas between groups of groynes are groyne fields. Groynes can be made of wood, concrete, or rock piles. Their use goes back many centuries.
Links
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References
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