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Auswahl der wissenschaftlichen Literatur zum Thema „Moteurs à effet hall“
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Zeitschriftenartikel zum Thema "Moteurs à effet hall"
Zamalijeva, O., und R. Jusienė. „MOTERS DEPRESIŠKUMĄ LAIKOTARPIU PO GIMDYMO PROGNOZUOJANTYS VEIKSNIAI“. Psichologija 42 (01.01.2010): 59–73. http://dx.doi.org/10.15388/psichol.2010.0.2571.
Der volle Inhalt der QuelleLabat, Hélène, Jean Ecalle und Annie Magnan. „Effet du feedback visuel sur les principaux indices dynamiques du geste graphique et les habiletés de transcription chez les enfants de 5 ans“. SHS Web of Conferences 143 (2022): 01004. http://dx.doi.org/10.1051/shsconf/202214301004.
Der volle Inhalt der QuellePerrenoud, Philippe. „Formation initiale des maîtres et professionnalisation du métier“. Articles 19, Nr. 1 (10.10.2007): 59–76. http://dx.doi.org/10.7202/031600ar.
Der volle Inhalt der QuelleGuizouarn, Kristell. „Réduire les émissions de particules des véhicules diesel par l’utilisation de biodiesel“. OCL 27 (2020): 11. http://dx.doi.org/10.1051/ocl/2019049.
Der volle Inhalt der QuelleDesgrées du Loû, Annabel. „Migrations et santé : des (nouvelles) questions de santé publique au cœur des enjeux sociétaux“. Questions de santé publique, Nr. 34 (Juni 2018): 1–8. http://dx.doi.org/10.1051/qsp/2018034.
Der volle Inhalt der QuelleEspelette, Patrick, und André Marchand. „Effet hall et diamagnetisme de composes residuels pyrocarbone-bore-halogene“. Carbon 25, Nr. 5 (1987): 621–28. http://dx.doi.org/10.1016/0008-6223(87)90214-4.
Der volle Inhalt der QuelleAmmari, M., A. Gire, Mme G. Lomaglio und J. G. Théobald. „Effet Hall Hyperfréquence Dans Des Semi-Conducteurs Constituant Des Jonctions“. Bulletin des Sociétés Chimiques Belges 101, Nr. 11 (01.09.2010): 909–13. http://dx.doi.org/10.1002/bscb.19921011102.
Der volle Inhalt der QuelleBaron, Romain, und Claude Emmanuel Perez-Cano. „La coopération comme objet d’apprentissage à travers les activités physiques, sportives et artistiques en EPS“. L'Education physique en mouvement, Nr. 6 (18.12.2022): 3–6. http://dx.doi.org/10.26034/vd.epm.2021.3527.
Der volle Inhalt der QuelleCyr, Catherine. „Ronfard et la méthode expérimentale : une symbiose de la théorie et de la pratique à travers l’appropriation interdisciplinaire“. Dossier — Jean-Pierre Ronfard : l’expérience du théâtre, Nr. 35 (06.05.2010): 24–42. http://dx.doi.org/10.7202/041554ar.
Der volle Inhalt der QuellePlasse, C., X. Capdevila, S. de Boisvilliers, J. M. Julia, T. Marnay und F. d'Athis. „Effet de l'analgesie peridurale sur les potentiels evoques somesthesiques (PES) et moteurs (PEM) en post operatoire de chirurgie du rachis“. Annales Françaises d'Anesthésie et de Réanimation 16, Nr. 6 (September 1997): 627. http://dx.doi.org/10.1016/s0750-7658(97)86052-2.
Der volle Inhalt der QuelleDissertationen zum Thema "Moteurs à effet hall"
Joncquières, Valentin. „Modélisation et simulation numérique des moteurs à effet Hall“. Thesis, Toulouse, INPT, 2019. http://www.theses.fr/2019INPT0035/document.
Der volle Inhalt der QuelleThe space propulsion has been a political issue in the midst of the Cold War and remains nowadays a strategic and industrial issue. The chemical propulsion on rocket engines is limited by its ejection velocity and its lifetime. Electric propulsion and more particularly Hall effect thrusters appear then as the most powerful and used technology for space satellite operation. The physic inside a thruster is complex because of the electromagnetic fields and important collision processes. Therefore, all specificities of the engine operation are not perfectly understood. After hundreds of hours of tests, thruster walls are curiously eroded and electromagnetic instabilities are developping within the ionization chamber. The measured electron mobility is in contradiction with the analytical models and raises issues on the plasma behavior inside the discharg chamber. As a result, the AVIP code was developed to provide a massively parallel and unstructured 3D code to Safran Aircraft Engines modeling unsteady plasma inside the thruster. Lagrangian and Eulerian methods are used and integrated in the solver and my work has focused on the development of a fluid model which is faster and therefore better suited to industrial conception. The model is based on a set of equations for neutrals, ions and electrons without drift-diffusion hypothesis, combined with a Poisson equation to describe the electric potential. A rigorous expression of collision terms and a precise description of the boundary conditions for sheaths have been established. This model has been implemented numerically in an unstructured formalism and optimized to obtain good performances on new computing architectures. The model and the numerical implementation allow us to perform a real Hall effect thruster simulation. Overall operating properties such as the acceleration of the ions or the location of the ionization zone are captured. Finally, a second application has successfully reproduced azimuthal instabilities in the Hall thruster with the fluid model and justified the role of these instabilities in the anomalous electron transport and in theerosion of the walls
Guichaoua, Lise. „Nouveaux matériaux de confinement de plasma pour les moteurs à Effet Hall“. Limoges, 2013. http://www.theses.fr/2013LIMO4056.
Der volle Inhalt der QuelleFonblanc, Diane. „Nouvelles céramiques de confinement de plasmas à base de BN issues de précurseurs organométalliques : application aux moteurs à effet Hall“. Thesis, Limoges, 2017. http://www.theses.fr/2017LIMO0076.
Der volle Inhalt der QuelleThe main objective is here to develop a new generation of ceramic materials used for plasma confinement in Hall-effect thrusters using the PDCs (polymer-derived ceramics) route. A state of the art of the different confinement materials and a review of the previous work done on this topic allowed to determine the key parameters of such materials and to move towards the use of preceramic polymers as precursors of the materials envisaged. After having detailed the various protocols used to chemically modify a commercial polymer with boron, to shape the compounds obtained and then to convert the polymers into ceramics bypyrolysis, Si-B-(C)-N dense ceramic pieces have been produced with various boron content. A complete study from the chemical structure of the polymers to the properties of the resulting ceramics allowed selecting the optimal formulation of the polymer as a ceramic precursor. c-BN/Si-B-(C)-N composites were then prepared by filler addition, then shaped and characterized before a scale-up to prepare engine-size ceramic rings. The last part consists of an opening on the use of the PDCs route for the realization of dense Si-Al-(C)-N pieces of controlled composition, with a study of the impact of aluminum on the polymers andceramics properties
Doulazmi, Mustapha. „Etude expérimentale comparative de différentes méthodes de mesure et d'acquisition d'amplitude angulaire : application en rééducation des handicapés moteurs“. Vandoeuvre-les-Nancy, INPL, 1991. http://www.theses.fr/1991INPL097N.
Der volle Inhalt der QuelleVaudolon, Julien. „Electric field determination and magnetic topology optimization in Hall thrusters“. Thesis, Orléans, 2015. http://www.theses.fr/2015ORLE2026/document.
Der volle Inhalt der QuelleElectric propulsion is facing new challenges. Recently, the launch of "all-electric" satellites has marked the debut of a new era. Going all-electric now appears as an interesting alternative to conventional systems for telecom operators. A laser spectroscopy technique was used during this research to investigate the ion velocity distribution dynamics. The different methods for determining the electric field in Hall thrusters were exposed. Two unstable ion regimes were identified and examined. Measurement uncertainties using electrostatic probes were assessed. Planar probed have been designed and tested. A thorough investigation of the influence of the magnetic field parameters on the performance of Hall thrusters was performed. The wall-less Hall thruster design was presented, and preliminary experiments have revealed its interest for the electric propulsion community
Tiberj, Antoine. „Matériau SOI pour capteur à effet Hall“. Montpellier 2, 2003. http://www.theses.fr/2003MON20012.
Der volle Inhalt der QuelleCoche, Philippe. „Modélisation cinétique d’un propulseur à effet Hall“. Toulouse 3, 2013. http://thesesups.ups-tlse.fr/1995/.
Der volle Inhalt der QuelleHall effect thrusters are used for station-keeping of satellites in geostationary orbit. The originality of this kind of thruster is the use of a magnetic field which traps the electrons and creates a high electric field region. In this region, the ions are accelerated and extracted from the plasma to provide a thrust. Electron transport across the magnetic field lines is a major issue in predicting the thruster performance. Several transport mechanisms as collision phenomena and plasma turbulence have been identified to play a role but their exact contribution is still not clear. Based on two numerical particle models ("Particle-In-Cell"), composed of an explicit and implicit trajectory-tracking schemes, this work thesis aims at analyzing the proceeding of a discharge in order to isolate the transport mechanisms of electrons. It also aims at providing a better understanding of the plasma turbulence on the discharge behavior. We emphasize the strong unstationnary character of the discharge. We also study a particular transport mechanism, governed by turbulence and volumic collisions, using a particle-test numerical model
Couturaud, Olivier. „Effets tunnels dans des nano-capteurs de Hall“. Montpellier 2, 2008. http://www.theses.fr/2008MON20122.
Der volle Inhalt der QuelleAs part of this thesis, we studied a family of Hall effect sensors , composed of submicrometers Hall cross and microgradiometers made from optimized quantum wells. The first one left this thesis is dedicated to manufacture and to characterization of sensors. They will study everything of manners the resistance of contacts and the depletion length restricting the functioning of sensors In second part, we study the tunnel effect of electrons between the edges of the sample. In the presence of a quantizing magnetic field, at the transition between two quantized Hall plateaus, a succession of sharp peaks is detected in the Hall signal RH and in the longitudinal resistance RL. The peaks appearing on the high-í side of the RL transition appear to be different from the peaks appearing on the low-í side. They mainly differ by their temperature dependence. On the high-í side of the RL transition, the temperature evolution of the peaks is typical for resonant tunneling through a single state in one of the antidots that are progressively formed when the initially occupied LL is emptied. On the low í of the transition, by contrast, the temperature dependence is different. This may be related to the asymmetry of the density of states
Papic, Zlatko. „Effet Hall quantique fractionnaire dans des systèmes multicomposantes“. Phd thesis, Université Paris Sud - Paris XI, 2010. http://tel.archives-ouvertes.fr/tel-00624760.
Der volle Inhalt der QuellePerez, Luna Jaime. „Modélisation et diagnostics d'un propulseur à effet Hall“. Toulouse 3, 2008. http://www.theses.fr/2008TOU30155.
Der volle Inhalt der QuelleOne of the greatest challenges in space exploration is to develop spacecrafts capable of covering great distances with little fuel. Electric thrusters, among which is the Hall effect thruster, are capable of this thanks to their high exhaust velocity. During my PhD, I have tried to understand the physics involved in these thrusters, by means of numerical models and accurate diagnostics. My hosting group has been working on hybrid modeling of these thrusters for about ten years. However, the electron fluid description in such models is still a challenge. One of the problems of the fluid model is the difficulty of solving the fluid equations in 2D. This first problem has been overcome by using a new algorithm. This algorithm makes it now easier to study thrusters with complex magnetic fields. The second problem concerns electron transport which is not well understood. A deep study of a fully particle model in the axial and azimuthal directions has shown that an azimuthal electric field wave, present in the thruster, enhances the electron transport. Also, I have developed a new method to extract the electric field and ionization term profiles from laser spectroscopy measurements. The comparison between these results and those obtained with our hybrid model shows the limit of the electron transport description used until now. This comparison has also shown a possible path to follow in order to correctly describe the electron transport in hybrid models for Hall effect thrusters
Bücher zum Thema "Moteurs à effet hall"
Hall effect devices. 2. Aufl. Bristol: Institute of Physics Pub., 2004.
Den vollen Inhalt der Quelle finden1971-, Ito Kei, Godoy Salvador und SpringerLink (Online service), Hrsg. Quantum theory of conducting matter: Superconductivity. New York, NY: Springer, 2009.
Den vollen Inhalt der Quelle findenHall-effect sensors: Theory and applications. 2. Aufl. Amsterdam: Elsevier/Newnes, 2006.
Den vollen Inhalt der Quelle findenQuantum Hall effects: Recent theoretical and experimental developments. New Jersey: World Scientific, 2013.
Den vollen Inhalt der Quelle findenPopović, R. S. Hall effect devices: Magnetic sensors and characterization of semiconductors. Bristol, England: A. Hilger, 1991.
Den vollen Inhalt der Quelle findenPayton, Melissa. The Prentice Hall guide to evaluating online resources with Research navigator. Criminal justice 2004. Upper Saddle River, NJ: Pearson Prentice Hall, 2004.
Den vollen Inhalt der Quelle finden1942-, Bauer G., Kuchar F. 1941-, Heinrich H und International Winter School on New Developments in Solid State Physics (4th : 1986 : Mauterndorf, Austria), Hrsg. Two dimensional systems, physics and new devices: Proceedings of the International Winter School, Mauterndorf, Austria, February 24-28, 1986. Berlin: Springer-Verlag, 1986.
Den vollen Inhalt der Quelle findenEzawa, Zyun Francis. Quantum Hall Effects: Recent Theoretical and Experimental Developments. World Scientific Publishing Co Pte Ltd, 2013.
Den vollen Inhalt der Quelle findenQuantum Hall Effects: Field Theorectical Approach and Related Topics. 2. Aufl. World Scientific Publishing Company, 2007.
Den vollen Inhalt der Quelle findenQuantum Hall Effects: Field Theoretical Approach and Related Topics. World Scientific Publishing Company, 2001.
Den vollen Inhalt der Quelle findenBuchteile zum Thema "Moteurs à effet hall"
Pierre, J. „CHAPITRE 14 RÉSISTIVITÉ MAGNÉTIQUE, MAGNÉTORÉSISTANCE, EFFET HALL“. In Magnétisme - Tome I, 437–54. EDP Sciences, 1999. http://dx.doi.org/10.1051/978-2-7598-0131-2.c018.
Der volle Inhalt der QuelleBent, Margaret. „The Yoxford Credo“. In The Motet in the Late Middle Ages, 431–44. Oxford University PressNew York, 2023. http://dx.doi.org/10.1093/oso/9780190063771.003.0024.
Der volle Inhalt der QuelleBerichte der Organisationen zum Thema "Moteurs à effet hall"
Mogan, J. P. Effet des filtres en céramique sur la quantité de mutagènes dans les gaz d'échappement des moteurs diesel. Natural Resources Canada/CMSS/Information Management, 1990. http://dx.doi.org/10.4095/328716.
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