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Academic literature on the topic 'Induction électromagnétique – Étude et enseignement'
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Journal articles on the topic "Induction électromagnétique – Étude et enseignement"
Karakis, Snejana, Barry Cameron, and William Kean. "Geology and Wine 14. Terroir of Historic Wollersheim Winery, Lake Wisconsin American Viticultural Area." Geoscience Canada 43, no. 4 (December 15, 2016): 265. http://dx.doi.org/10.12789/geocanj.2016.43.107.
Full textDissertations / Theses on the topic "Induction électromagnétique – Étude et enseignement"
Abboud, Rizkallah. "Difficultés de l'enseignement dans deux domaines de la physique : le phénomène d'induction électromagnétique et la propagation d'ondes mécaniques." Paris 7, 1989. http://www.theses.fr/1989PA077128.
Full textBoutayeb, Salwa. "Conductibilité électrique thermostimulée de l'alumine alpha entre 77K et 900K étude et caractérisation d'un phénomene photoinduit." Toulouse 3, 1993. http://www.theses.fr/1993TOU30046.
Full textSantara, Fatoumata Bintou. "Cristallisation du silicium photovoltaïque sous induction électromagnétique : étude d'une vanne de rétention et de la ségrégation sous brassage." Phd thesis, Grenoble INPG, 2010. http://tel.archives-ouvertes.fr/tel-00526496.
Full textBellut, Christian. "Contribution à l’étude des jets confines : étude expérimentale et simulation numérique des injecteurs et mélangeurs à induction." Lyon, INSA, 1985. http://www.theses.fr/1985ISAL0040.
Full textBidouche, Badr-El-Boudour. "Étude et réalisation d’une machine asynchrone basse vitesse à réducteur magnétique intégré." Electronic Thesis or Diss., Université de Lorraine, 2019. http://www.theses.fr/2019LORR0228.
Full textWe propose in this work to study a wound rotor induction motor integrating a magnetic gear which constitutes the MaGIM " Magnetically Geared Induction Machines ". The aim is to improve the reliability and the performances of the classical system associating an induction machine (MAS) with a mechanical reducer (mill, crusher...), the machine being fed directly by the network. Therefore, we designed a MaGIM prototype of 1 kW - 45 rpm operating on the grid at 400 V/50 Hz using analytical and numerical calculation tools to predict the electromagnetic performances of the device. In the first chapter, we present a state of the art of the different magnetic gears studied from the 20th century to the present day. The different structures and topologies studied are listed. Given its complexity, we have modelled the induction machine and the magnetic gear separately, in chapter II. A theoretical model of the machine taking into account the electromagnetic and thermal aspects has been developed in order to obtain an acceptable design according to precise specifications. We have presented the electromagnetic performance of the system obtained as well as the thermal calculations carried out using a nodal method. The transient operation of the machine by establishing an analytical model including the mechanical equations of the induction machine and the magnetic gear was presented in chapter III. This model allowed us to determine the performance of the MaGIM during a direct start on the network. We have seen that the MaGIM can start on the mains under full voltage and that this starting is strongly dependent on the moment of inertia Jl. This study allowed us to highlight the stall phenomenon of the MaGIM and the particularity of magnetic gears to protect themselves against overloads. In the last chapter, we presented the realization of the 1 kW prototype, operating on the 400 V/ 50 Hz network and delivering 210 Nm output at about 50 rpm. The prototype was produced in the mechanical workshop of VEDECOM - Mobilab. Experimental tests were carried out at the end of the realization in order to compare them with the theoretical results and also to validate the concept of the MaGIM
Bagheri-Crosson, Roja. "Mobilisation du concept de champ magnétique par des étudiants issus du DEUG "Sciences de la Matière" : analyse didactique à partir de la théorie des champs conceptuels." Toulouse 3, 2004. http://www.theses.fr/2004TOU30224.
Full text@Using the "theory of the conceptual fields" (Vergnaud, 1990), this research in didactics of physics science, reveals the dynamics of the cognitive patterns of undergraduate students (issus d'un DEUG "Sciences de la Matière"). The investigation consists in collecting data during "problem-solving situations" in electromagnetism, when students have to use the concept of magnetic field. After an exploratory study with the aim to identify the reccurent difficulties encountered by students when they mobilize concepts in electromagnetism, we sought to identify "operational invariants" and "schemes" used by students to solve these situations. The study shows that students : use "ready-to-use" invariants, invariants whose "signified in physics" are not specified and "not contextualized" invariants to the "problem-solving situations" ; use a very few "operational invariants" which belong to the university curriculum in electromagnetism ; meet enormous difficulties with the understanding of the concept of magnetic field and its relationship with the electric field in variable mode ; and operational invariants juxtaposed or combined without control of their relevance during the processes reasoning. .