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Theses

Première contribution à l'étude de la perturbation provoquée par une grille dans un canal de pisciculture

Abstract : aThis thesis is devoted to the preparation of the homogenization of a flow through a grid in an open channel ; it is particularly concerned with the influence of all the significant non dimensional numbers which occur in the problem : first of all the classical ones (Reynolds, Foude, Weber and Bond numbers) ; then, those obtained with the parameters linked to the grid (height, thickness, holes period and percentage). One chapter is based on simplified hypotheses (ideal fluid and continuous obstacle) ; it enables to focus on the effects of the Foude and Weber numbers, and of the obstacle height, on the shape of the free surface. The last two chapters consider the complete problem and try to determine the length of the perturbed zone (boundary layer thickness), and the free surface height around the obstacle (whiche has to be controled in order to avoid floodin)
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Submitted on : Thursday, March 29, 2018 - 1:39:39 PM
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  • HAL Id : tel-01752247, version 1

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Isabelle Guiot. Première contribution à l'étude de la perturbation provoquée par une grille dans un canal de pisciculture. Autre. Institut National Polytechnique de Lorraine, 1998. Français. ⟨NNT : 1998INPL137N⟩. ⟨tel-01752247⟩

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