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Conception Assistee Par Ordinateur Dun Systeme De Protection De Lignes Dalimentation Basse Tension Contre La Foudre Et L Iemn Ha
Download Conception Assistee Par Ordinateur Dun Systeme De Protection De Lignes Dalimentation Basse Tension Contre La Foudre Et L Iemn Ha full books in PDF, epub, and Kindle. Read online Conception Assistee Par Ordinateur Dun Systeme De Protection De Lignes Dalimentation Basse Tension Contre La Foudre Et L Iemn Ha ebook anywhere anytime directly on your device. Fast Download speed and no annoying ads. We cannot guarantee that every ebooks is available!
Book Synopsis Conception assistée par ordinateur d'un système de protection de lignes d'alimentation basse tension contre la foudre et l' IEM.N-HA by : Jacques Laroubine
Download or read book Conception assistée par ordinateur d'un système de protection de lignes d'alimentation basse tension contre la foudre et l' IEM.N-HA written by Jacques Laroubine and published by . This book was released on 1989 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt: La foudre génère un champ électromagnétique qui produit des courants impulsionnels engendrant des surtensions transitoires sur les liaisons filaires du réseau E.D.F. basse tension. Ces surtensions créent une impulsion parasite lente haute en énergie. D'autre part, une explosion nucléaire haute altitude, crée un champ électromagnétique impulsionnel, après une cascade de transformations d'énergie (Photons matière, rayons ɣ électrons). Ce champ électromagnétique est générateur sur le réseau E.D.F. d'impulsions parasites rapides et intenses. L'analyse de ces perturbations permet de déterminer les spécifications d'un système de protection vis-à-vis des parasites générés par la foudre et l'I.E.M-N/H.A. Nous décrirons des moyens de simulation mathématique par ordinateur (Astec III). Une maquette a été réalisée qui a permis de vérifier l'efficacité d'un tel système de protection vis-à-vis de la foudre et de l' Impulsion Électromagnétique Nucléaire Haute Altitude.
Book Synopsis Flexoelectricity in Liquid Crystals by : Agnes Buka
Download or read book Flexoelectricity in Liquid Crystals written by Agnes Buka and published by World Scientific. This book was released on 2013 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book intends to give a state-of-the-art overview of flexoelectricity, a linear physical coupling between mechanical (orientational) deformations and electric polarization, which is specific to systems with orientational order, such as liquid crystals. Chapters written by experts in the field shed light on theoretical as well as experimental aspects of research carried out since the discovery of flexoelectricity. Besides a common macroscopic (continuum) description the microscopic theory of flexoelectricity is also addressed. Electro-optic effects due to or modified by flexoelectricity as well as various (direct and indirect) measurement methods are discussed. Special emphasis is given to the role of flexoelectricity in pattern-forming instabilities. While the main focus of the book lies in flexoelectricity in nematic liquid crystals, peculiarities of other mesophases (bent-core systems, cholesterics, and smectics) are also reviewed. Flexoelectricity has relevance to biological (living) systems and can also offer possibilities for technical applications. The basics of these two interdisciplinary fields are also summarized.
Book Synopsis Nonlinear Optical Materials by : Jerome V. Moloney
Download or read book Nonlinear Optical Materials written by Jerome V. Moloney and published by Springer Science & Business Media. This book was released on 1998-08-13 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mathematical methods play a significant role in the rapidly growing field of nonlinear optical materials. This volume discusses a number of successful or promising contributions. The overall theme of this volume is twofold: (1) the challenges faced in computing and optimizing nonlinear optical material properties; and (2) the exploitation of these properties in important areas of application. These include the design of optical amplifiers and lasers, as well as novel optical switches. Research topics in this volume include how to exploit the magnetooptic effect, how to work with the nonlinear optical response of materials, how to predict laser-induced breakdown in efficient optical devices, and how to handle electron cloud distortion in femtosecond processes.
