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Academic literature on the topic 'Dépôt sous énergie concentrée'
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Journal articles on the topic "Dépôt sous énergie concentrée"
Ternon, Céline, Anne Kaminski, Delphine Constantin, Lionel Claudon, Fabien Volpi, Loïc Vincent, Quentin Rafhay, and Ahmad Bsiesy. "Simulation, élaboration et caractérisation de cellules photovoltaïques." J3eA 13 (2014): 0011. http://dx.doi.org/10.1051/j3ea/2015013.
Full textHENRY, Y. "Alimentation du porc pour la production de viande maigre : évolutions récentes et perspectives." INRAE Productions Animales 6, no. 1 (February 27, 1993): 31–45. http://dx.doi.org/10.20870/productions-animales.1993.6.1.4185.
Full textDissertations / Theses on the topic "Dépôt sous énergie concentrée"
Chalvin, Maxime. "Fabrication additive de tubulures par dépôt de fil robotisé multi-axes : génération et optimisation de trajectoires." Electronic Thesis or Diss., Toulon, 2020. http://www.theses.fr/2020TOUL0010.
Full textAdditive manufacturing through Directed Energy Deposition (DED) enables small batches of parts to be rapidly manufactured. However, manufacturing trajectories usually used for the manufacture of overhanging parts require the use of supports, material which is not useful for the finished part and time consuming. If multi-axis trajectories can be used to avoid them, they present generally a heterogeneous local inter-layer distance, thus requiring a variation of the deposition parameters to adapt the layer height ; variation that can be harmful to the mechanical characteristics of the final part. This thesis first proposes a constant local inter-layer trajectory generation method for DED additive manufacturing of tubular parts defined by parametric curves and which can have profile radius variations. The proposed trajectories have been validated by robotized manufacturing trials of polymer parts. Since the rotation about a coaxial deposition tool axis has no impact on the deposit, the use of 6-axis robots offers a redundancy. Using this redundancy, a layer by layer optimization of the trajectory in the robot space is then proposed. In a constrained robot configuration, the trajectory optimization allows the manufacturing of parts that cannot be manufactured in the usual way, and improves the geometrical quality of the parts with a better repeatability
Pelay, Ugo. "Intégration d'un procédé de stockage thermochimique à un cycle de Rankine, sous énergie solaire concentrée (in-stores)." Thesis, Nantes, 2017. http://www.theses.fr/2017NANT4026/document.
Full textThe integration of a thermal energy storage (TES) system in a concentrated solar power (CSP) plant increases the daily production time and permits to overcome solar energy’s intermittent character. Among the three types of existing thermal storage technology (sensible, latent, thermochemical), thermochemical storage receives an increasing attention in recent years. Indeed, its high energy density and its capacity to store energy without heat losses during a long period of time make it the most promising candidate for CSP application. The principal objective of this PhD dissertation is to study the innovative thermochemical storage process, to propose conceptions for its integration into a CSP plant and to optimize the CSP plant’s overall efficiency. Various methodologies were used, including energy and exergy analyses based on the first and second law of thermodynamics, dynamic numerical simulations for the operation cycle and the life cycle analysis. Three integration configurations have been firstly proposed, studied and compared based on the energy and exergy analyses. Dynamics models for individual component of the system and the CSP plant as a whole were created and tested. These simulations made it possible to carry out a comparison or the integration configurations taking into account the inertia of the components and the variable solar irradiation. Several electricity production modes have also be tested (base production, peak production). Finally, a life cycle analysis was carried out in order to compare the three integration configurations based on environmental criteria
Leray, Cedric. "Etude du comportement thermique et thermomécanique des récepteurs solaires sous haut flux radiatif." Thesis, Perpignan, 2017. http://www.theses.fr/2017PERP0003/document.
Full textFor the future, using thermodynamical solar power plant seems to be a good solution to ensure electrical production. Solar tower plants are able to produce electricity in significant amount, are environmentally friendly and economically competitive. One way to increase the yield of these plants is using high efficiency thermodynamical cycles, like combined cycle. That requires to providing a working fluid at high temperature and high pressure (10bar and 1000°C at least). This PHD thesis presents the works performed to develop and enhance a concept of modular plate solar ceramic absorber that can ensure the required air production. We chose the silicon carbide as material due to its resistance to high temperatures and oxidation problems. The drawback is ceramic modules are weak to traction stresses. The study focuses on the knowledge and the control of this phenomenon. This work combines the developments of numerical tools and experimental studies performed at Thémis power plant (Targassonne, 66, FRANCE). The numerical method permits simulations to predict the thermal behavior and the mechanical behavior of a solar module absorber. It allows the reduction of the mechanical stresses undergone by solar receiver and the prediction of its performances. This methodology was tested using experimental results
Ferrer, Alexandre. "Modélisation des mécanismes de formation sous ébullition locale des dépôts sur les gaines de combustible des Réacteurs à Eau sous Pression conduisant à des activités volumiques importantes." Phd thesis, Université de Strasbourg, 2013. http://tel.archives-ouvertes.fr/tel-01072543.
Full textBorella, Mathias. "Contrôle de la fonctionnalisation de surface de revêtements obtenus par PECVD à partir d'un composé organosilicié cyclique." Thesis, Vandoeuvre-les-Nancy, INPL, 2006. http://www.theses.fr/2006INPL082N/document.
Full textThe aim of this work is to study the potential of plasma polymerization of a cyclic organosilicon compound to supply the various needs in surface functionnalization. Plasma polymerization kinetics and growth modes depend on critical process parameters. These parameters mainly govern the conformation of the plasma polymer which determines its bulk properties. These bulk properties influence the surface properties. Using the present process, low surface energy, 18 mJ.m-2, and high surface energy, 68 mJ.m-2, could be obtained depending on the synthesis conditions. The cyclic nature of the polymer conformation surprisingly control the wetting hysteresis properties of the surface with high accuracy when the process works in the oligomerization growth mode. Finally, the interest of such a process is illustrated with some examples of applications showing the potential of these materials, i.e. the cyclic plasma polydimethylsiloxanes