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Academic literature on the topic 'Blindage électromagnétique'
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Journal articles on the topic "Blindage électromagnétique"
Hanouni, Mohammed, and Smaïn Khaldi. "Application des polymères conducteurs composites au blindage électromagnétique Cas du polymère conducteur composite HDPE/PA-Ag." Revue des composites et des matériaux avancés 19, no. 2 (August 31, 2009): 201–13. http://dx.doi.org/10.3166/rcma.19.201-213.
Full textDEMOULIN, Bernard, and Pierre DEGAUQUE. "Blindages électromagnétiques." Conversion de l'énergie électrique, November 2000. http://dx.doi.org/10.51257/a-v2-d1320.
Full textDEMOULIN, Bernard, and Pierre DEGAUQUE. "Blindages électromagnétiques." Électronique, November 2000. http://dx.doi.org/10.51257/a-v1-d1320.
Full textKhemis, Sabri Ben. "Mesure térahertz de faibles épaisseurs et détection de défauts aux interfaces pour les revêtements industriels : Avancées et applications." e-journal of nondestructive testing 28, no. 9 (September 2023). http://dx.doi.org/10.58286/28483.
Full textDissertations / Theses on the topic "Blindage électromagnétique"
Broydé, Frédéric Jérôme. "Analyse des propriétés électromagnétiques des écrans cylindriques, et application à la caractérisation de l'efficacité de blindage des câbles." Lille 1, 2004. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/2004/50376-2004-27-28.pdf.
Full textAlilou, Oussama. "Blindage électromagnétique des circuits intégrés par dépôt de couches minces métalliques." Caen, 2009. http://www.theses.fr/2009CAEN2017.
Full textThis thesis is part of an innovation thematic research in the electromagnetic shielding, to meet the needs of integrated circuits manufacturers and final integration of electronic systems. The results of this work, provide the main orientation of industrialisation of a shielding technique by deposition of thin metal layers, such as, Copper, Nickel and Or. This technique provides a shielding effectiveness of at least 15dB to 35dB over a wide frequency range of 500Mhz to 2. 5 Ghz for disturbances such as electric or magnetic. And, despite the low quality of the performance hood with its shielding. The theoretical calculations and simulations have allowed us to have a clear idea about the main elements that influence the effectiveness of shielding (the thickness of the deposit, the continuity of ground). The near-field measurements of shielding effectiveness were highly correlated with the electromagnetic simulations and proved the high performance of the shielding at low frequencies (up to 1GHz) against the type of magnetic disturbances
Pezin, Frédéric. "Contribution à l'étude de couplages électromagnétiques dans le domaine micro-ondes au moyen de la chambre réverbérante à brassage de modes." Lille 1, 1998. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/1998/50376-1998-141.pdf.
Full textLa seconde partie de la these concerne une application plus fondamentale dans laquelle on met en oeuvre la chambre reverberante, afin de determiner le rayonnement electromagnetique provoque par des discontinuites angulaires reparties sur une ligne de transmission, ce supplement de rayonnement representant 10 a 20% du rayonnement total de la ligne. La precision relative exigee pour deceler ces phenomenes a ete obtenue par un traitement des mesures specifiques utilisant le principe du double brassage de modes. La troisieme partie qui vient conclure la these s'adresse aux mesures d'objets rayonnants, pour lesquels une correlation possible avec des mesures en chambre anechoique est proposee. Une methode de calibrage sera experimentee a l'aide d'eprouvettes rayonnantes offrant differents criteres de directivite electromagnetique. Il sera montrer a partir des mesures que le critere quantitatif passant de l'une a l'autre methode d'essai est quasi independant de la frequence de la source
Lamblain, Nicolas. "Etude du brassage électronique de modes en chambre réverbérante appliqué aux mesures d'immunité électromagnétique." Lille 1, 1996. http://www.theses.fr/1996LIL10212.
Full textAlaa, eddine Jalal. "Technique de caractérisation de textiles nouvelle génération pour le blindage électromagnétique." Thesis, Université Grenoble Alpes, 2020. http://www.theses.fr/2020GRALT064.
Full textElectromagnetic shielding consists in reducing the electromagnetic field in the vicinity of an object by interposing a barrier between the source of the field and the object to be protected. The objective of the thesis is the development of techniques for characterizing and predicting new generation armor performance based on textiles and polymers for avionics applications between DC and 1 GHz. It takes place within the framework of the FUI NextGen project which is part of the field of aeronautical wiring protection. The thesis is composed of two main parts: 1) the characterization of the shielding efficiency from tests on plane samples (solid material or metal braid), 2) the transfer impedance measurement for sheaths.In the literature, the measurement of shielding efficiency (SE) is generally obtained either in free space or in a reverberating or anechoic chamber. In these methods, the material under test is placed between two antennas. The value of the measured shielding efficiency depends on the operating band of the antennas which starts at a few MHz and cannot reach low frequencies in the band of a few kHz. Shielding efficiency is obtained by measuring the attenuation of the electromagnetic field through a material relative to the transmission of the field without material. Herein, the shielding efficiency measurement is made by a coaxial cell, considering all the parameters that affect the measurement such as electrical contact, measurement dynamics, etc., allowing leasuring the effectiveness of shielding from DC to 1 GHz and this suits the demand in the aeronautical field. These measurements are validated with theoretical modeling and electromagnetic simulations.Concerning the sheath transfer impedance, its measurement is carried out with a triaxial cell. The transfer impedance (Z_t) is defined as the quotient of the voltage (V1) induced in the internal circuit by the current (I2) introduced into the external circuit over a given coupling length. The current standard of transfer impedance measurement is defined up to 100 MHz while in our developed cell the measurement reaches the frequency of 300 MHz without adaptation.Finally, to make the link between the shielding efficiency and the transfer impedance, a model for predicting the transfer impedance from the measurement of the shielding efficiency is proposed.Jalal ALAA EDDINE
Benyoubi, Fethi. "Caractérisation en champ proche des émissions rayonnées de boitiers de blindage électromagnétique." Thesis, Nantes, 2019. http://www.theses.fr/2019NANT4004/document.
Full textThe increased use of on-board electronics and the electrification of the transport means (automobile, ..) makes critical the problems of electromagnetic interference which can cause a dysfunction of the system. In order to reduce these disturbances, designers are resorting more and more to modeling since the design phase. Among the disturbances to be reduced are electromagnetic radiation. Physical modeling of this problem type in digital simulators is becoming more and more complicated. Therefore, it is necessary to have simple models for reconstructing the field radiated by sources of disturbances. The work carried out in the first part has allowed the establishment of models to reproduce the radiation of power electronics devices. Several approaches based on elementary dipole have been implemented using the near-field measurement. These different approaches have been compared and validated on real applications (power converters). In the second part, our study is on the use of these models in order to predict the magnetic shielding efficiency (SEH) in near-field low frequency. The frequency range is from DC up to a few megahertz (around 10 MHz). One of the goals, we have set for the prediction of shielding effectiveness is the development of simple and fast models to overcome the numerical models
Ficheux, Serge. "Etude de l'efficacité de blindage des câbles coaxiaux : application à la réalisation de bancs de mesures d'impédances de transfert couvrant une large gamme de fréquences jusqu'à 1000 MHz." Lille 1, 1988. http://www.theses.fr/1988LIL10134.
Full textClérico, Paul. "Élaboration d'un tissu composite bimétallique Al/Acier/Al pour le blindage électromagnétique." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS410/document.
Full textThe growth of electronic devices has led to an increase in electromagnetic pollution that can be harmful to sensitive electronic systems and living beings. One of the means of limiting the propagation of electromagnetic fields is the use of shielding. Then, the study focused on the elaboration of a bimetallic composite for magnetic shielding. The studied composite combines the physical properties of aluminum and steel via the Al8011/SteelDC01/Al8011 trilayer. The trilayer is produced by cold roll bonding (CRB). It has been found that the adherence quality of the Al/Steel interfaces and the architecture of the composite heavily depend on the CRB parameters. Careful preparation of the sheet and their concomitant surfaces is just as important as CRB itself. Furthermore, during CRB, the steel sheet was sensitive to plastic instabilities which subsequently led to its necking and fragmentation. These plastic instabilities promote adherence through Al/Al welds but are not a prerequisite. In terms of shielding effectiveness, the bimetallic composite has proved to be particularly interesting. Thanks to its composition and its structuring, it can attenuate both low (< 1 kHz) and high frequency (> 1 kHz) magnetic fields. In an iso-mass study, the composite showed a higher shielding effectiveness than Al, Cu and steel sheets. However, the steel fragmentation in the composite proved to be detrimental to magnetic shielding, then requiring a compromise between mechanical strength and shielding effectiveness
Boukhari, Mahamat Issa. "Etude des perturbations électromagnétiques rayonnées par des composants magnétiques planaires intégrés : inductances." Thesis, Lyon, 2019. http://www.theses.fr/2019LYSES010.
Full textNowadays, the development of complex electronic systems consists of embedding several components in a single box generates more and more electromagnetic disturbances. The magnetic component such as inductor, is referred as the most disruptive component because of its EM emissions. The presented works in this document concerns the study of EM disturbances in radiated emission of 3 types of inductors: coreless, inductor with one and two layers of magnetic material. This manuscript, presents our scientific contributions that allow to:- Quantify through simulation and measurement, the near field radiated emissions of theses inductors;- Limit these electromagnetic emissions by using magnetic shielding;- Evaluate the influence of some parameters such as: relative permeability µr and the magnetic shielding thickness on the limitation of components emissions.The obtained results in measurement and simulation, present very good correlations
Rochdi, Mohamed. "Étude comparative des méthodes de mesure de l'impédance de transfert de câbles et application au développement d'un testeur de cordons blindés utilisable sur une chaîne de fabrication." Lille 1, 1990. http://www.theses.fr/1990LIL10101.
Full textBooks on the topic "Blindage électromagnétique"
Nanostructured Materials for Electromagnetic Interference Shielding. Taylor & Francis Group, 2021.
Find full textThomas, Sabu, and Suji Mary Zachariah. Nanostructured Materials for Electromagnetic Interference Shielding. Taylor & Francis Group, 2021.
Find full textThomas, Sabu, and Suji Mary Zachariah. Nanostructured Materials for Electromagnetic Interference Shielding. Taylor & Francis Group, 2021.
Find full textThomas, Sabu, and Suji Mary Zachariah. Nanostructured Materials for Electromagnetic Interference Shielding. Taylor & Francis Group, 2021.
Find full textThomas, Sabu, and Suji Mary Zachariah. Nanostructured Materials for Electromagnetic Interference Shielding. Taylor & Francis Group, 2021.
Find full textHelvoort, Mark Van, and Mathieu Melenhorst. EMC for Installers: Electromagnetic Compatibility of Systems and Installations. Taylor & Francis Group, 2018.
Find full textHelvoort, Mark Van, and Mathieu Melenhorst. Emc for Installers. Taylor & Francis Group, 2020.
Find full textHelvoort, Mark Van, and Mathieu Melenhorst. EMC for Installers: Electromagnetic Compatibility of Systems and Installations. Taylor & Francis Group, 2018.
Find full textHelvoort, Mark Van, and Mathieu Melenhorst. EMC for Installers: Electromagnetic Compatibility of Systems and Installations. Taylor & Francis Group, 2018.
Find full textHelvoort, Mark Van, and Mathieu Melenhorst. EMC for Installers: Electromagnetic Compatibility of Systems and Installations. Taylor & Francis Group, 2018.
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