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THESIS 2011, Paris : France (2011)

Simulation for the convective descent phase of dredged-sediment releases in the seawater by a two-fluid model

Duc Hau Nguyen 1, Sylvain Guillou 1, Kim Dan Nguyen 2, D. Pham Van Bang 3, Julien Chauchat 4

(2011-04-26)

The harbour structures are often located in shallow areas, especially in estuaries. It is then necessary to perform dredging to allow ships accessing to the docks. The dredged sediment is released over a predefined deposit zone. During the release, the sediment cloud, of which the concentration can be initially more than 350g/l, contains a lot of contaminants and then will impact to the environment. The purpose of this work is to numerically study the process of dredged sediment with the help of a twophase model [4]. The simulations are performed in the configuration of the experiments of Villaret et al. [6].

1:	LUSAC (EA2607)
	Université de Caen Basse-Normandie
2:	Morphodynamique continentale et côtière (MCC)
	CNRS : UMR6143 – INSU – Université de Caen Basse-Normandie – Université de Rouen
3:	Laboratoire d'Hydraulique Saint-Venant / Saint-Venant Laboratory for Hydraulics (Saint-Venant)
	Université Paris-Est Créteil Val-de-Marne (UPEC) – Ecole des Ponts ParisTech – EDF – CETMEF
4:	Laboratoire des écoulements géophysiques et industriels (LEGI)
	CNRS : UMR5519 – Université Joseph Fourier - Grenoble I – Institut polytechnique de Grenoble (Grenoble INP)

Subject

:

Physics/Mechanics/Mechanics of the fluids Engineering Sciences/Mechanics/Fluids mechanics Environmental Sciences/Environmental Engineering

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From: Julien Chauchat <>

Submitted on: Friday, 9 September 2011 14:48:02

Updated on: Wednesday, 21 September 2011 22:08:45