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Amplitudes Et Phases Dans La Theorie Des Ondes De Gravite
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Book Synopsis AMPLITUDES ET PHASES DANS LA THEORIE DES ONDES DE GRAVITE by : DIDIER.. CLAMOND
Download or read book AMPLITUDES ET PHASES DANS LA THEORIE DES ONDES DE GRAVITE written by DIDIER.. CLAMOND and published by . This book was released on 1994 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: DANS CETTE THESE, LA PROPAGATION D'UNE ONDE COURTE SUR UNE ONDE SOLITAIRE EST ETUDIEE D'UN POINT DE VUE THEORIQUE ET EXPERIMENTAL. LES EQUATIONS DES ONDES DE GRAVITE SONT NON LINEAIRES ET LA SOLUTION GENERALE EST INCONNUE. ALORS, DES METHODES DE PERTURBATIONS SONT UTILISEES POUR OBTENIR UNE APPROXIMATION DE LA SOLUTION ET UNE DESCRIPTION QUALITATIVE DES PHENOMENES. IL Y A PRINCIPALEMENT DEUX THEORIES DE CE TYPE: LA THEORIE DE STOKES ET LA THEORIE DE L'EAU PEU PROFONDE. LA THEORIE DE STOKES DECRIT LES ONDES COURTES, ET LA THEORIE DE L'EAU PEU PROFONDE LES ONDES LONGUES. CES DEUX THEORIES NE SONT JAMAIS VALIDES DANS POUR LES MEMES VALEURS DES PARAMETRES CARACTERISTIQUES. NOUS ETUDIONS L'INTERACTION ENTRE UNE ONDE COURTE ET UNE ONDE LONGUE, CHOISIR L'UNE DE CES THEORIES EST DONC IMPOSSIBLE: IL EST NECESSAIRE D'EN DEVELOPPER UNE NOUVELLE. UNE METHODE DE PERTURBATION DE TYPE WKB, ADAPTEE AUX EQUATIONS NON LINEAIRES, DONNE UNE THEORIE CAPABLE DE DECRIRE DES ONDES COURTES ET LONGUES SIMULTANEMENT. LES PRINCIPAUX RESULTATS SONT DES DEPHASAGES ET DES VARIATIONS DE FREQUENCES (EFFETS DOPPLER). LA PARTIE EXPERIMENTALE DONNE DES MESURES DU DEPHASAGE SUBIT PAR L'ONDE COURTE. L'ACCORD ENTRE THEORIE ET EXPERIENCE EST EXCELLENT
Book Synopsis Des Ondes Et Des Fluides by : Olivier Thual
Download or read book Des Ondes Et Des Fluides written by Olivier Thual and published by Éditions Cépaduès. This book was released on 2005 with total page 203 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physique Des Mouvements Dans Les Atmosphères Stellaires by : R. Cayrel
Download or read book Physique Des Mouvements Dans Les Atmosphères Stellaires written by R. Cayrel and published by . This book was released on 1976 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ondes liquides de gravité by : Henri Vergne
Download or read book Ondes liquides de gravité written by Henri Vergne and published by . This book was released on 1928 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Etudes expérimentales et numériques de la turbulence d'ondes de surface by : Luc Deike
Download or read book Etudes expérimentales et numériques de la turbulence d'ondes de surface written by Luc Deike and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Lorsque des ondes d'amplitudes suffisamment importantes se propagent dans un milieu, elles peuvent interagir et donner naissance à des ondes de longueurs d'onde différentes. L'énergie est transportée par interactions non linéaire et une cascade d'énergie peut alors avoir lieu sur une large gamme d'échelles spatiales, d'une échelle d'injection à une échelle de dissipation. Cette phénoménologie, présentant des analogies formelles avec la turbulence hydrodynamique peut se rencontrer dans de nombreux systèmes physiques tels que les ondes de gravité et de capillarité à la surface de la mer, les ondes internes dans l'océan ou l'atmosphère, les ondes élastiques, les ondes d'Alfvén dans le vent solaire... Dans cette thèse, la dynamique et la statistique d'un ensemble d'ondes de surface en interaction est étudiée dans différents systèmes : les ondes capillaires et de gravité à la surface d'un liquide ainsi que les ondes hydro-élastiques à la surface d'une feuille élastique flottante. Les résultats expérimentaux et numériques sont comparés aux prédictions de la théorie de turbulence d'ondes, aussi appelée turbulence faible. Dans un premier temps, la turbulence d'ondes gravito-capillaires à la surface d'un liquide est étudiée, à la fois en régime stationnaire et instationnaire. Le déclin auto-similaire en temps de la turbulence d'ondes capillaires en déclin est observé expérimentalement, en accord avec le scénario théorique. De plus nous mettons en évidence l'existence de dissipation au sein de la cascade. L'influence de la dissipation à toutes les échelles sur les cascades de turbulence d'ondes est alors étudiée en régime stationnaire : pour une faible dissipation, la dépendance du régime de turbulence d'ondes avec l'échelle est trouvée en accord avec la théorie, cependant nous mettons en évidence un flux d'énergie non constant ; pour une forte dissipation, le régime de turbulence d'ondes est en fort désaccord avec la théorie. Par ailleurs, les premières simulations numériques de turbulence d'ondes capillaires à partir des équations diphasiques de Navier-Stokes (code Gerris) sont présentées. Un spectre d'énergie des vagues en loi de puissance est observé en bon accord avec la théorie. Les cascades inverse et directe de la turbulence d'ondes de gravité sont ensuite étudiées. Nous présentons la première observation expérimentale de la cascade inverse des petites vers les grandes échelles. Les effets de taille finie et l'influence des conditions aux limites sur la cascade directe d'ondes de gravité sont discutés à l'aide d'expérience dans des bassins de grandes tailles. Dans une seconde partie, je m'intéresse aux ondes hydro-élastiques à la surface d'une feuille élastique flottante sur un liquide. Deux régimes d'ondes élastiques sont observés : des ondes de tension et de flexion (respectivement à basse et haute fréquence) en bon accord avec la théorie linéaire. La valeur de la tension de la membrane est contrôlée par la pression hydrostatique imposée sur le système. Lorsque l'amplitude de forçage est augmentée, un décalage significatif de la relation de dispersion non linéaire des ondes est observé, due à une surtension créée par les oscillations lentes du mode fondamental de la feuille. Le processus d'interactions à trois ondes est mis en évidence expérimentalement et un régime de turbulence d'ondes est observé. Un spectre d'énergie des vagues en loi de puissance est toujours observé, avec un exposant en désaccord avec les prédictions théoriques. Différentes hypothèses sont discutées afin d'expliquer ce désaccord, comme l'existence de dissipation à différentes échelles au sein de la zone inertielle, ou l'influence des fortes non linéarités du mode fondamental
Book Synopsis The Applied Dynamics of Ocean Surface Waves by : Chiang C. Mei
Download or read book The Applied Dynamics of Ocean Surface Waves written by Chiang C. Mei and published by World Scientific. This book was released on 1989 with total page 770 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this book is to present selected theoretical topics on ocean wave dynamics, including basic principles and applications in coastal and offshore engineering, all from the deterministic point of view. The bulk of the material deals with the linearized theory.
Download or read book Annales d'astrophysique written by and published by . This book was released on 1966 with total page 788 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Petroleum Refining. Vol.... written by and published by Editions OPHRYS. This book was released on 2000-01-01 with total page 641 pages. Available in PDF, EPUB and Kindle. Book excerpt: This five-volume series covers the entire range of technologies used in the petroleum refining industry. The books are intended for students and for the engineers and technicians who operate in refineriesIn addition to the detailed description of the conventional separation processes used in refining, this volume devotes ample space to discussing future developments. These include enhancements to existing technologies and the introduction of new technologies and separation processes that are as yet seldom implemented in the industry.Contents: 1. Basics of separation operations. 2. Thermodynamics: phase equilibria. 3. Mass transfer and efficiency of separation operations. 4. Distillation, absorption and stripping. 5. Distillation, absorption and stripping in the petroleum industry. 6. Liquid-liquid extraction. 7. Solvent extraction in the oil industry. 8. Crystallization. 9. Crystallization in the oil industry: solvent dewaxing. 10. Adsorption. 11. Adsorption in the oil and gas industry. 12. Membrane separation. References. Index.
Book Synopsis Quantum Mechanics, Volume 3 by : Claude Cohen-Tannoudji
Download or read book Quantum Mechanics, Volume 3 written by Claude Cohen-Tannoudji and published by John Wiley & Sons. This book was released on 2019-12-16 with total page 790 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new, third volume of Cohen-Tannoudji's groundbreaking textbook covers advanced topics of quantum mechanics such as uncorrelated and correlated identical particles, the quantum theory of the electromagnetic field, absorption, emission and scattering of photons by atoms, and quantum entanglement. Written in a didactically unrivalled manner, the textbook explains the fundamental concepts in seven chapters which are elaborated in accompanying complements that provide more detailed discussions, examples and applications. * Completing the success story: the third and final volume of the quantum mechanics textbook written by 1997 Nobel laureate Claude Cohen-Tannoudji and his colleagues Bernard Diu and Franck Laloë * As easily comprehensible as possible: all steps of the physical background and its mathematical representation are spelled out explicitly * Comprehensive: in addition to the fundamentals themselves, the books comes with a wealth of elaborately explained examples and applications Claude Cohen-Tannoudji was a researcher at the Kastler-Brossel laboratory of the Ecole Normale Supérieure in Paris where he also studied and received his PhD in 1962. In 1973 he became Professor of atomic and molecular physics at the Collège des France. His main research interests were optical pumping, quantum optics and atom-photon interactions. In 1997, Claude Cohen-Tannoudji, together with Steven Chu and William D. Phillips, was awarded the Nobel Prize in Physics for his research on laser cooling and trapping of neutral atoms. Bernard Diu was Professor at the Denis Diderot University (Paris VII). He was engaged in research at the Laboratory of Theoretical Physics and High Energy where his focus was on strong interactions physics and statistical mechanics. Franck Laloë was a researcher at the Kastler-Brossel laboratory of the Ecole Normale Supérieure in Paris. His first assignment was with the University of Paris VI before he was appointed to the CNRS, the French National Research Center. His research was focused on optical pumping, statistical mechanics of quantum gases, musical acoustics and the foundations of quantum mechanics.
Author :North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Electromagnetic Wave Propagation Panel. Symposium Publisher : ISBN 13 : Total Pages :448 pages Book Rating :4.E/5 ( download)
Book Synopsis Propagation Effects and Circuit Performance of Modern Military Radio Systems with Particular Emphasis on Those Employing Bandspreading by : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Electromagnetic Wave Propagation Panel. Symposium
Download or read book Propagation Effects and Circuit Performance of Modern Military Radio Systems with Particular Emphasis on Those Employing Bandspreading written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Electromagnetic Wave Propagation Panel. Symposium and published by . This book was released on 1989 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: The importance of understanding radio wave propagation increases as radar and communication systems become more complex, i.e. digital systems, frequency adaptive systems, spread spectrum systems, etc. Increasingly wider frequency bandwidths are used in modern military systems.
Download or read book INIS Atomindex written by and published by . This book was released on 1978 with total page 1502 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Electromagnetic Wave Propagation Panel. Specialists' Meeting Publisher : ISBN 13 : Total Pages :568 pages Book Rating :4.:/5 (3 download)
Book Synopsis Scattering and Propagation in Random Media by : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Electromagnetic Wave Propagation Panel. Specialists' Meeting
Download or read book Scattering and Propagation in Random Media written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Electromagnetic Wave Propagation Panel. Specialists' Meeting and published by . This book was released on 1988 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: The topic of scattering and propagation in random media is one that has implications for the design, development and operation of most military systems that radiate energy as a means of accomplishing their funtion. Primary emphasis is on scattering and transmission in the atmosphere; however, other related random medium effects are not excluded. Modern methods of characterizing random media, mathematical methods and their applicability, effects on electromagnetic waves and the interpretation of these effects to specific system applications are described. The region of the spectrum considered is essentially unlimited and ranges from very long waves to optics. The performance of existing surveillance communication and navigation systems as well as the design of future systems is influenced by the propagation of energy via random media. An understanding of the nature of the medium and its impact on system design and performance is essential to the NATO community.
Book Synopsis Propagation Factors Affecting Remote Sensing by Radio Waves by :
Download or read book Propagation Factors Affecting Remote Sensing by Radio Waves written by and published by . This book was released on 1983 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Oceanis written by and published by . This book was released on 2002 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physics of Solitons by : Thierry Dauxois
Download or read book Physics of Solitons written by Thierry Dauxois and published by Cambridge University Press. This book was released on 2006-03-09 with total page 435 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook gives an instructive view of solitons and their applications for advanced students of physics.
Book Synopsis Bulletin Hydraulic Research by : International Association for Hydraulic Research
Download or read book Bulletin Hydraulic Research written by International Association for Hydraulic Research and published by . This book was released on 1964 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Recherches Hydrauliques. Hydraulic Research by : International Association for Hydraulic Research
Download or read book Recherches Hydrauliques. Hydraulic Research written by International Association for Hydraulic Research and published by . This book was released on 1964 with total page 830 pages. Available in PDF, EPUB and Kindle. Book excerpt:
