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Artykuły w czasopismach na temat "Essais en canal hydraulique"
Marot, Didier, Bikram Oli, Rachel Gelet i Fateh Bendahmane. "Nouveau dispositif pour l’étude de la suffusion suivant différents états mécaniques". Revue Française de Géotechnique, nr 178 (2024): 3. http://dx.doi.org/10.1051/geotech/2024006.
Pełny tekst źródłaWillis, John. "Le canal de Lachine jusqu'en 1870: Origine et fonction d'un canal hydraulique†". History and Technology 2, nr 4 (kwiecień 1986): 309–29. http://dx.doi.org/10.1080/07341518608581652.
Pełny tekst źródłaCassan, Maurice. "Application des essais Lefranc à l’évaluation du coefficient d’anisotropie hydraulique des sols aquifères". Revue Française de Géotechnique, nr 90 (2000): 25–43. http://dx.doi.org/10.1051/geotech/2000090025.
Pełny tekst źródłaCassan, M. "Application des essais de pompage à l’évaluation du coefficient d’anisotropie hydraulique des sols aquifères". Revue Française de Géotechnique, nr 91 (2000): 37–56. http://dx.doi.org/10.1051/geotech/2000091037.
Pełny tekst źródłaMeilliez, Francis, Marc Thonon i Benoît Poncelet. "Un aménagement hydraulique bicentenaire : la Rigole du Noirieu". Annales de la Société géologique du Nord - (2e Série), Tome 29, nr 29 (1.12.2022): 133–40. http://dx.doi.org/10.54563/asgn.1941.
Pełny tekst źródłaAguiar, J. L. B. "Essais d’adhérence des époxydes au béton hydraulique (Tests on bonding between epoxies and hydraulic concrete)". Materials and Structures 26, nr 2 (marzec 1993): 90–97. http://dx.doi.org/10.1007/bf02472855.
Pełny tekst źródłaRampnouxi, N., P. Broquet i J. Maniai. "Caractérisation hydraulique d'un massif calcaire fissuré de Franche-Comté (France)". Revue des sciences de l'eau 6, nr 1 (12.04.2005): 3–22. http://dx.doi.org/10.7202/705163ar.
Pełny tekst źródłaVergniault, Christophe, Cyrille Dogor, Vincent Guihard, Guy D’Urso, Pierre Vaudelet, André Revil, Jean-Robert Courivaud i Bruno Daumas. "Approche multi-méthode pour le diagnostic d’état des ouvrages hydrauliques de grand linéaire". E3S Web of Conferences 342 (2022): 01001. http://dx.doi.org/10.1051/e3sconf/202234201001.
Pełny tekst źródłaHammami, M., i M. Maalej. "Prédiction de la profondeur de sol humidifié sous goutteur". Revue des sciences de l'eau 12, nr 2 (12.04.2005): 273–84. http://dx.doi.org/10.7202/705352ar.
Pełny tekst źródłaOukid, Yanis, Vincent Libaud i Christophe Daux. "Apports et enjeux de la modélisation hydraulique 3D pour la conception et la réhabilitation des ouvrages hydrauliques". La Houille Blanche, nr 3 (czerwiec 2020): 55–65. http://dx.doi.org/10.1051/lhb/2020029.
Pełny tekst źródłaRozprawy doktorskie na temat "Essais en canal hydraulique"
Longchamp, Quentin. "Analyse expérimentale et numérique de l'écoulement dans le canal d'entrée d'un modèle de turbine bulbe". Thesis, Université Laval, 2014. http://www.theses.ulaval.ca/2014/30591/30591.pdf.
Pełny tekst źródłaThis work is part of the research activities of the Hydraulic Machines Laboratory of the Laval University and its objective is to contribute to the characterisation of the intake flow in a model of a bulb turbine. The representation of the mean velocity fields and the turbulent fluctuations under predefined operating conditions were obtained by the use of a LDV measurement system. Mass-flow imbalance and vortices in the intake channel were identified. The conception of an obstacle geometry causing a non-uniformity in the intake channel has been developed taking in consideration the predictions of numerical simulation. Numerical simulations of the complete machine for both steady and unsteady case were performed with and without obstacle in the intake channel. The objective of this process was to evaluate the influence of the intake flow condition on the turbine performances. Moreover, comparisons between experimental and numerical quantities were made.
Rolland, Romain. "Caractérisation de l'interaction fluide-structure d'un assemblage de coeur de réacteur sous forçage sismique". Electronic Thesis or Diss., Institut polytechnique de Paris, 2022. http://www.theses.fr/2022IPPAE005.
Pełny tekst źródłaWithin the framework of safety studies, it is necessary to have validated models of the fluid forces exerted on fuel assemblies in the event of an earthquake. In the PWR (Pressurized Water Reactor) technology used in France, fuel assemblies are made of cylindrical rods bundles arranged in a square array and subjected to an axial flow. In case of an earthquake, these assemblies are subjected to lateral oscillations. These vibrations can lead to the deformation of the assemblies. Test campaigns on real fuel assemblies have been carried out and have revealed the existence of dissipative fluid forces whose evolution and spatial distribution are still poorly documented. The objective of the present work is to contribute to the description of these forces in dynamics. The reference model for the description of the dynamics of slender structures under axial flow is the TLP model (Taylor-Lighthill-Païdoussis). In the literature this model has been validated for a structure very close to the cylinder bundle. Static studies performed on a cylinder in a bundle have shown a non-negligible influence of the extremities on the forces exerted by the fluid on the structure. The literature proposes few validation cases of the TLP model for more complex structures close to a fuel assembly. In order to evaluate the capacity of the model to describe the fluid forces exerted on a structure closer to a fuel assembly, a new test bench was designed and put into service. This test rig allows to laterally oscillate a cylinder bundle 5 x 5 with grids at each end in an axial flow. Force measurements at each grid give access to the resultant force of the structure. A numerical model completes this experimental approach and gives access to the distribution of forces in the structure. The forces obtained experimentally seem to indicate an important effect of the grids. The forces obtained from the simulations confirm the observations made on a bundle of cylinders and bring new elements on the distribution of the local forces as well as the influence of the extremities
Nehmé, Haissam. "Étude de l'ébullition dans un canal rectangulaire, inclinable, de grand diamètre hydraulique". Grenoble INPG, 1997. http://www.theses.fr/1997INPG0027.
Pełny tekst źródłaGuiot, Isabelle. "Première contribution à l'étude de la perturbation provoquée par une grille dans un canal de pisciculture". Vandoeuvre-les-Nancy, INPL, 1998. http://www.theses.fr/1998INPL137N.
Pełny tekst źródłaThis 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)
Gallière, Jean-Marc. "Etude et modélisation électrique du court-circuit grille-canal dans le transistor MOS". Montpellier 2, 2003. http://www.theses.fr/2003MON20139.
Pełny tekst źródłaCanivet, Eric. "Réconciliation et validation des mesures sur un système hydraulique complexe : le canal de Provence". Lyon 1, 2002. http://www.theses.fr/2002LYO10011.
Pełny tekst źródłaMacia, Julie. "Identification et essais de techniques biochimiques de devitalisation sur des essences ligneuses générant des risques sur les ouvrages hydrauliques". Thesis, Avignon, 2018. http://www.theses.fr/2018AVIG0342.
Pełny tekst źródłaThe woody vegetation implanted on dikes and dams is well known for its many positive effects including bank stabilization, biodiversity, shade, etc. Thus, managers have left trees growing on these sites. But, recent studies show that trees and their root systems in particular may cause a range of damage such as uprising, cracking and deconstruction leading to internal risks and external erosion risks for hydraulic structures. A strengthening of the regulations for dikes and dams has obliged managers and owners to ensure the control, the technical monitoring and maintenance of their structures. However, regulations about use of plant protection products have also been reinforced, particularly with the ministerial ruling of 4 may 2017 (NOR : AGRG1632554A) forbidding the use of such products (including chemical herbicides) less than 5 m from bodies of water. These regulations in constant evolution forced a change in the usual practices thereby leaving managers confronted with an important problem of vegetation developing on their dikes and dams. Management plans must be elaborated in order to conciliate security, environmental and landscape issues. But traditional mechanical methods (logging, cutting and root extraction) are destructive for hydraulic structures and landscapes. It is urgent to set up preventive management techniques on young trees which potentially could constitute a risk when they grow.This thesis focuses on the search of alternative methods of devitalization of young trees generating risks on dikes and dams. The first part of research, divided in three Phases, consisted of screening and optimizing in greenhouse and field a range of possible and effective methods on the most predominant tree species found on hydraulic structures in France. The second part, also divided in three Phases, aimed to put in place a screening of selected methods on field test methods, and, at the same time, optimize methods according to specific parameters (trees shape, security of workers…). This second part, only conducted on black Poplars, has highlighted various constraint and revealed partially effective methods. The last Phase in field, realized only on black Poplars, has shown the effectiveness of three methods (mechanical wounding, mechanical wounding coupled with biochemical, mechanical wounding coupled with thermal) at six months after treatment. The trees treated in the field will be observed by ARBEAUSOLutions staff in 2018 to confirm the efficiency twelve months after treatment. In September 2017, two potential effective methods have been submitted for patent protection in order to enable further tests in situ and ensure protection of industrial property rights. The results of this research suggest that the effectiveness of strategies for devitalization depends on the intensity and timing of treatments to avoid that the tree responds by initiating resprouts and suckers for its survival
Amblard, Alain. "Comportement hydraulique et thermique d'un canal plan corrugué application aux échangeurs de chaleur à plaques". Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb375954351.
Pełny tekst źródłaMesrar, Rachid. "Comportement plastique des tôles sous sollicitation biaxiale et analyse numérique de la mise en forme par gonflement hydraulique". Metz, 1991. http://docnum.univ-lorraine.fr/public/UPV-M/Theses/1991/Mesrar.Rachid.SMZ917.pdf.
Pełny tekst źródłaJaquier, Thomas. "Hydroliennes à flux transverse : développement d'un prototype HARVEST en canal". Thesis, Grenoble, 2011. http://www.theses.fr/2011GRENI059/document.
Pełny tekst źródłaInstream water turbines belong to the innovative energy which could contribute to the diversificationof renewable power sources. Works done during this thesis aims at contributing to the overallobjective of developing the HARVEST turbine, a cross flow ducted turbines concept, in realizing andtesting an entire prototype to demonstrate the value of the concept, to understand physicalphenomena involved and to validate the numerical applications developed in the laboratory LEGI.This prototype has been put and tested in an EDF open channel near Grenoble. The results are veryencouraging in terms of energy performance, mechanical behavior and control of the impact on thewater channel. This memory is ending with technological conclusions on the presented work andopenings on the possibilities of industrialization of the concept
Części książek na temat "Essais en canal hydraulique"
Warfa, Dominique. "Richard Canal, une SF sans dieu ni maître (Galaxies, 1997)". W Une brève histoire de la science-fiction belge francophone et autres essais, 285–97. Presses universitaires de Liège, 2018. http://dx.doi.org/10.4000/books.pulg.2787.
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