Structure des ondes de choc dans les gaz granulaires

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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (945 download)

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Book Synopsis Structure des ondes de choc dans les gaz granulaires by : Alexandre Vilquin

Download or read book Structure des ondes de choc dans les gaz granulaires written by Alexandre Vilquin and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dans des milieux tels que les gaz, les plasmas et les milieux granulaires, un objet se déplaçant à des vitessessupersoniques, compresse et chauffe le fluide devant lui, formant ainsi une onde de choc. La zone hors-équilibreappelée front d'onde, où ont lieu de brusques variations de température, pression et densité, présente unestructure particulière, avec notamment des distributions des vitesses des particules fortement non-gaussienneset difficiles à visualiser. Dans une avancée importante en 1951, Mott-Smith décrit le front d'onde comme lasuperposition des deux états que sont le gaz supersonique initial et le gaz subsonique compressé et chauffé,impliquant ainsi l'existence de distributions des vitesses bimodales. Des expériences à grands nombres de Machont confirmé cette structure globalement bimodale. Ce modèle n'explique cependant pas la présence d'un surplusde particules à des vitesses intermédiaires, entre le gaz supersonique et le gaz subsonique.Ce travail de thèse porte sur l'étude des ondes de choc dans les gaz granulaires, où les particules interagissentuniquement par des collisions binaires inélastiques. Dans ces gaz dissipatifs, la température granulaire, traduisantl'agitation des particules, permet de définir l'équivalent d'une vitesse du son par analogie aux gaz moléculaires.Les basses valeurs de ces vitesses du son dans les gaz granulaires, permettent de générer facilement des ondes dechoc dans lesquelles chaque particule peut être suivie, contrairement aux gaz moléculaires. La première partie decette étude porte sur l'effet de la dissipation d'énergie, due aux collisions inélastiques, sur la structure des ondesde choc dans les gaz granulaires. Les modifications induites sur la température, la densité et la vitesse moyennemesurées, sont interprétées à l'aide d'un modèle basé sur l'hypothèse bimodale de Mott-Smith et intégrant ladissipation d'énergie. La deuxième partie est consacrée à l'interprétation des distributions des vitesses dans lefront d'onde. À partir des expériences réalisées dans les gaz granulaires, une description trimodale, incluant unétat intermédiaire supplémentaire, est proposée et étendue avec succès aux distributions des vitesses dans lesgaz moléculaires.

Shock Wave Structure in a Fully Ionized Gas Based on Multi-component Fluid Theory

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ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Shock Wave Structure in a Fully Ionized Gas Based on Multi-component Fluid Theory by : Huon Li

Download or read book Shock Wave Structure in a Fully Ionized Gas Based on Multi-component Fluid Theory written by Huon Li and published by . This book was released on 1961 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: The multi-component continuous approach for the investigation of the gasdynamics of a plasma is presented. More information about the flow properties of a plasma can be obtained than from the classical magnetohydrodynamic approach. Also, the resulting equations appear to be more easily solved than the Blotzmann equation of classical kinetic theory. The basic macroscopic conservation equations for a non-reacting multi-component plasma are presented. The fluid properties of each component are referred to the mean velocity of that component. Therefore, no limitations are placed on the magnitude of the diffusion velocities. The effects of electric and magnetic fields are included. The equations for a two-component mixture are used to study the structure of a shock wave in a fully-ionized hydrogen gas. It is assumed that the momentum exchange and energy exchange between the ions and electrons are important because of the strong Coulomb forces present. (Author).

Chocs Et Ondes de Choc: Aspects fondamentaux

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ISBN 13 :
Total Pages : 402 pages
Book Rating : 4.:/5 (39 download)

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Book Synopsis Chocs Et Ondes de Choc: Aspects fondamentaux by : André L. Jaumotte

Download or read book Chocs Et Ondes de Choc: Aspects fondamentaux written by André L. Jaumotte and published by . This book was released on 1971 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Chocs Et Ondes de Choc

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ISBN 13 :
Total Pages : 552 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Chocs Et Ondes de Choc by : André L. Jaumotte

Download or read book Chocs Et Ondes de Choc written by André L. Jaumotte and published by . This book was released on 1971 with total page 552 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Conditions de choc et structure des ondes de choc dans un écoulement stationnaire de fluide dissipatif

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ISBN 13 :
Total Pages : 45 pages
Book Rating : 4.:/5 (119 download)

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Book Synopsis Conditions de choc et structure des ondes de choc dans un écoulement stationnaire de fluide dissipatif by : Paul Germain

Download or read book Conditions de choc et structure des ondes de choc dans un écoulement stationnaire de fluide dissipatif written by Paul Germain and published by . This book was released on 1962 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Conditions de choc et structure des ondes de choc dans un écoulement stationnaire de fluide dissipatif

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Publisher : Office national d'études et de recherches aéronautiques
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.:/5 (248 download)

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Book Synopsis Conditions de choc et structure des ondes de choc dans un écoulement stationnaire de fluide dissipatif by : Jean-Pierre Guiraud (physicien).)

Download or read book Conditions de choc et structure des ondes de choc dans un écoulement stationnaire de fluide dissipatif written by Jean-Pierre Guiraud (physicien).) and published by Office national d'études et de recherches aéronautiques. This book was released on 1962 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dictionary of Building and Civil Engineering

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Publisher : Taylor & Francis
ISBN 13 : 9780419199106
Total Pages : 472 pages
Book Rating : 4.1/5 (991 download)

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Book Synopsis Dictionary of Building and Civil Engineering by : Don Montague

Download or read book Dictionary of Building and Civil Engineering written by Don Montague and published by Taylor & Francis. This book was released on 1996 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dual-language dictionary lists over 20,000 specialist terms in both French and English, covering architecture, building, engineering and property terms. It meets the needs of all building professionals working on projects overseas. It has been comprehensively researched and compiled to provide an invaluable reference source in an increasingly European marketplace.

Boundary-Layer Theory

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Publisher : Springer
ISBN 13 : 366252919X
Total Pages : 814 pages
Book Rating : 4.6/5 (625 download)

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Book Synopsis Boundary-Layer Theory by : Hermann Schlichting (Deceased)

Download or read book Boundary-Layer Theory written by Hermann Schlichting (Deceased) and published by Springer. This book was released on 2016-10-04 with total page 814 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new edition of the near-legendary textbook by Schlichting and revised by Gersten presents a comprehensive overview of boundary-layer theory and its application to all areas of fluid mechanics, with particular emphasis on the flow past bodies (e.g. aircraft aerodynamics). The new edition features an updated reference list and over 100 additional changes throughout the book, reflecting the latest advances on the subject.

Behaviour of dense media under high dynamic pressures

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ISBN 13 :
Total Pages : 584 pages
Book Rating : 4.:/5 (41 download)

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Book Synopsis Behaviour of dense media under high dynamic pressures by :

Download or read book Behaviour of dense media under high dynamic pressures written by and published by . This book was released on 1968 with total page 584 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Government at a Glance Southeast Asia 2019

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Publisher : OECD Publishing
ISBN 13 : 9264305912
Total Pages : 132 pages
Book Rating : 4.2/5 (643 download)

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Book Synopsis Government at a Glance Southeast Asia 2019 by : OECD

Download or read book Government at a Glance Southeast Asia 2019 written by OECD and published by OECD Publishing. This book was released on 2019-09-10 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: Government at a Glance Southeast Asia 2019 is the first edition in the Government at a Glance series for the region. It provides the latest available data on public administrations in the 10 ASEAN member countries: Brunei Darussalam, Cambodia, Indonesia, Lao People’s Democratic Republic, Malaysia, Myanmar, the Philippines, Singapore, Thailand and Viet Nam.

Approches microscopique et macroscopique des détonations

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ISBN 13 :
Total Pages : 460 pages
Book Rating : 4.:/5 (43 download)

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Book Synopsis Approches microscopique et macroscopique des détonations by :

Download or read book Approches microscopique et macroscopique des détonations written by and published by . This book was released on 1987 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt:

In-Vessel Melt Retention and Ex-Vessel Corium Cooling: IAEA Tecdoc No. 1906

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Publisher : International Atomic Energy Agency
ISBN 13 : 9789201063205
Total Pages : 72 pages
Book Rating : 4.0/5 (632 download)

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Book Synopsis In-Vessel Melt Retention and Ex-Vessel Corium Cooling: IAEA Tecdoc No. 1906 by : International Atomic Energy Agency

Download or read book In-Vessel Melt Retention and Ex-Vessel Corium Cooling: IAEA Tecdoc No. 1906 written by International Atomic Energy Agency and published by International Atomic Energy Agency. This book was released on 2020-08-06 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication results from a technical meeting on phenomenology and technologies relevant to in-vessel melt retention (IVMR) and ex-vessel corium cooling (EVCC). The purpose of the publication is to capture the state of knowledge, at the time of that meeting, related to phenomenology and technologies as well as the challenges and pending issues relevant to IVMR and EVCC for water cooled reactors by summarizing the information provided by the meeting participants in a form useful to practitioners in Member States.

Glossary of Soil Science Terms 2008

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Publisher : ASA-CSSA-SSSA
ISBN 13 : 9780891188513
Total Pages : 96 pages
Book Rating : 4.1/5 (885 download)

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Book Synopsis Glossary of Soil Science Terms 2008 by : Soil Science Society of America

Download or read book Glossary of Soil Science Terms 2008 written by Soil Science Society of America and published by ASA-CSSA-SSSA. This book was released on 2008 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: More than 1800 terms are included in this revised glossary. Subject matter includes soil physics, soil chemistry, soil biology and biochemistry, pedology, soil and water management and conservation, forest and range soils, nutrient management and soil and plant analysis, mineralogy, wetland soils, and soils and environmental quality. Two appendices on tabular information and designations for soil horizons and layers also are included.

An Introduction to Differential Manifolds

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Publisher : Springer
ISBN 13 : 3319207350
Total Pages : 408 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis An Introduction to Differential Manifolds by : Jacques Lafontaine

Download or read book An Introduction to Differential Manifolds written by Jacques Lafontaine and published by Springer. This book was released on 2015-07-29 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is an introduction to differential manifolds. It gives solid preliminaries for more advanced topics: Riemannian manifolds, differential topology, Lie theory. It presupposes little background: the reader is only expected to master basic differential calculus, and a little point-set topology. The book covers the main topics of differential geometry: manifolds, tangent space, vector fields, differential forms, Lie groups, and a few more sophisticated topics such as de Rham cohomology, degree theory and the Gauss-Bonnet theorem for surfaces. Its ambition is to give solid foundations. In particular, the introduction of “abstract” notions such as manifolds or differential forms is motivated via questions and examples from mathematics or theoretical physics. More than 150 exercises, some of them easy and classical, some others more sophisticated, will help the beginner as well as the more expert reader. Solutions are provided for most of them. The book should be of interest to various readers: undergraduate and graduate students for a first contact to differential manifolds, mathematicians from other fields and physicists who wish to acquire some feeling about this beautiful theory. The original French text Introduction aux variétés différentielles has been a best-seller in its category in France for many years. Jacques Lafontaine was successively assistant Professor at Paris Diderot University and Professor at the University of Montpellier, where he is presently emeritus. His main research interests are Riemannian and pseudo-Riemannian geometry, including some aspects of mathematical relativity. Besides his personal research articles, he was involved in several textbooks and research monographs.

Flexoelectricity in Liquid Crystals

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Publisher : World Scientific
ISBN 13 : 1848167997
Total Pages : 299 pages
Book Rating : 4.8/5 (481 download)

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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.

Aeronomy

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Publisher : Elsevier
ISBN 13 : 1483260666
Total Pages : 445 pages
Book Rating : 4.4/5 (832 download)

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Book Synopsis Aeronomy by : P. M. Banks

Download or read book Aeronomy written by P. M. Banks and published by Elsevier. This book was released on 2013-09-24 with total page 445 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aeronomy, Part A is an attempt to make a comprehensive exposition of the processes in aeronomy, the study of composition, movement, and thermal balance of the upper regions of the planetary atmosphere. The text covers topics such as atmospheric regions and atmospheric density, the temperature and molecular mass of the atmosphere; the permanent constituents and the molecular and isotonic composition of the homosphere; and the transition from the homosphere to the heterosphere. Also covered are topics such as the temperature gradient and energies in the thermosphere, conditions at 200km and above 250km, solar radiation and ionization, and aeronomic reactions. The book is recommended for scientists, especially natural physicists, who would like to know more about the field of aeronomy and its advances.

Bulletin Signalétique

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ISBN 13 :
Total Pages : 758 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Bulletin Signalétique by : Centre national de la recherche scientifique (France). Centre de documentation

Download or read book Bulletin Signalétique written by Centre national de la recherche scientifique (France). Centre de documentation and published by . This book was released on 1962 with total page 758 pages. Available in PDF, EPUB and Kindle. Book excerpt: