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Title

Computation of bed-load sediment flux based on Lagrangian and Eulerian quantities

Year: 1398
COI: IHC18_103
Language: EnglishView: 229
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Authors

Seyed Abbas Hosseini-Sadabadi - Dept. of Civil and Environmental Engineering, Amirkabir University of Technology No. ۴۲۴, Hafez Ave., Tehran, Iran
Alessio Radice - Dept. of Civil and Environmental Engineering, Politecnico di Milano, Piazza L. da Vinci ۳۲, ۲۰۱۳۳ Milan, Italy
Francesco Ballio - Dept. of Civil and Environmental Engineering, Politecnico di Milano, Piazza L. da Vinci ۳۲, ۲۰۱۳۳ Milan, Italy
Amir Reza Zarrati - Dept. of Civil and Environmental Engineering, Amirkabir University of Technology No. ۴۲۴, Hafez Ave., Tehran, Iran

Abstract:

Bed-load fluxes were calculated for particle recording experiments carried out over a fixed-bed composed of two layers of glued particles and a range of shear velocity ratios from u*/u*c = 1.2 to u*/u*c = 1.8. Sediment fluxes were computed from a Lagrangian-Eulerian standpoint as proportional to entrainment rate and hop length, and from a purely Eulerian approach based on the multiplication of concentration of moving particles and their average Eulerian velocities. Results proved that if the experimental bias to the values of hop lengths is appropriately corrected, there is a perfect coincidence between the two methods, as the Lagrangian-Eulaerian and Eulerian sediment fluxes were identical for all the experimental conditions.

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Paper COI Code

This Paper COI Code is IHC18_103. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/998904/

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Hosseini-Sadabadi, Seyed Abbas and Radice, Alessio and Ballio, Francesco and Zarrati, Amir Reza,1398,Computation of bed-load sediment flux based on Lagrangian and Eulerian quantities,18th Iranian Hydraulics Conference,Tehran,https://civilica.com/doc/998904

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Paper count: 21,453
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