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Author: M. Champion
Publisher: Springer Science & Business Media
Published: 2012-12-06
Total Pages: 413
ISBN-13: 9401154325
DOWNLOAD EBOOKProceedings of the IUTAM Symposium held in Poitiers, France, 2-6 October 1995
Author: LUIS FERNANDO.. FIGUEIRA DA SILVA
Publisher:
Published: 1993
Total Pages: 168
ISBN-13:
DOWNLOAD EBOOKNOUS RAPPORTONS DANS CE MEMOIRE LES RESULTATS D'UNE ETUDE NUMERIQUE FONDAMENTALE DE L'ALLUMAGE ET DU DEVELOPPEMENT DE LA COMBUSTION DANS UNE COUCHE LIMITE SUPERSONIQUE. ON CONSIDERE POUR CE FAIRE L'ECOULEMENT D'UN MELANGE D'HYDROGENE ET D'AIR SUR UNE PLAQUE PLANE, DANS LES CONDITIONS DE TEMPERATURE ET DE PRESSION OU L'ECOULEMENT A L'EXTERIEUR DE LA COUCHE LIMITE EST CHIMIQUEMENT FIGE. LES CONDITIONS POUR LESQUELLES L'INFLAMMATION DU MELANGE PEUT ETRE EFFECTIVEMENT OBTENUE SONT RECHERCHEES DE MANIERE SYSTEMATIQUE, EN FONCTION DES CARACTERISTIQUES DE L'ECOULEMENT EXTERNE (NOMBRE DE MACH, TEMPERATURE, RICHESSE) ET DES CONDITIONS AUX LIMITES A LA PAROI. ON MET AINSI EN EVIDENCE LES CONDITIONS POUR LESQUELLES CET ALLUMAGE EST ENTIEREMENT CONTROLE PAR L'ECHAUFFEMENT DU AUX EFFETS DE DISSIPATION VISQUEUSE. LA STRUCTURE PRISE PAR LA COUCHE LIMITE REACTIVE EST ETUDIEE EN DETAIL. TROIS REGIONS SONT MISES EN EVIDENCE ET LES MECANISMES CONTROLANT CHACUNE D'ELLES SONT IDENTIFIES. CETTE ETUDE NUMERIQUE EST EFFECTUEE SUR LA BASE DES HYPOTHESES CLASSIQUES DE LA COUCHE LIMITE STATIONNAIRE BIDIMENSIONNELLE SANS VARIATION DE PRESSION MAIS INCLUANT UN SCHEMA CINETIQUE DETAILLE POUR LA COMBUSTION H#2-AIR. LA METHODE DE CALCUL QUE NOUS AVONS MISE AU POINT PERMET DE TRAITER AUSSI DEUX SITUATIONS OU LES REACTIFS NE SONT PAS INITIALEMENT MELANGES: LA COUCHE DE MELANGE BIDIMENSIONNELLE ET LES JETS BIDIMENSIONNELS. DES STRUCTURES DE BASE POUR L'ALLUMAGE ET LE DEVELOPPEMENT DE LA COMBUSTION DANS CES DEUX GEOMETRIES SONT PRESENTEES. POUR TERMINER, NOUS PRESENTONS UNE METHODE DE CALCUL DES EQUATIONS DE BILAN COMPLETES BIDIMENSIONNELLES INSTATIONNAIRES, DESTINEE A L'ETUDE DES CONFIGURATIONS POUR LESQUELLES LE CHAMP DE PRESSION N'EST PLUS UNIFORME ET INCLUANT EN PARTICULIER L'INTERACTION ENTRE DES ONDES DE CHOC ET DES CONFIGURATIONS PRESENTEES PRECEDEMMENT. QUELQUES RESULTATS ILLUSTRATIFS SONT PRESENTES
Author: Leonard J Lickorish
Publisher: Routledge
Published: 2007-06-01
Total Pages: 257
ISBN-13: 1136391924
DOWNLOAD EBOOKAn Introduction to Tourism is the essential guide to the tourism industry. It provides a comprehensive and authoritative introduction to all facets of tourism including: the history of tourism; factors influencing the tourism industry; tourism in developing countries; sustainable tourism; forecasting future trends. Tourism has changed radically in recent years with the onset of many technological and economic changes and an ever increasing concern for the environment. This book provides a down-to-earth introduction to this complex and multi-faceted industry. This invaluable introduction is written for all students of tourism and all those involved in the industry who want to know more about the structure, component activities and environment within which they work.
Author: Goddard Space Flight Center. Office of Public Affairs
Publisher:
Published: 1977
Total Pages: 366
ISBN-13:
DOWNLOAD EBOOKAuthor: Roland Borghi
Publisher: Editions Technips
Published: 1998
Total Pages: 0
ISBN-13: 9782710807407
DOWNLOAD EBOOKProfessionals working in the field of combustion may well find many points of interest, highlighted by the book's logical and global approach to phenomena, which considers mechanical, thermal and chemical aspects simultaneously. The book prioritises an understanding of the physical and chemical aspects of the phenomena, and lays particular emphasis on experimental analyses and modern numerical simulations, and on the way in which these phenomena are translated into equations.Contents: Introduction: Discovering combustion and flames. 1. Combustion thermodynamics. 2. Chemical kinetics applied to combustion. 3. Mass and energy transport by convection and diffusion. 4. Self-ignitions in closed systems. 5. Laminar flames and deflagrations. 6. Turbulent flames and deflagrations. 7. Detonation and supersonic combustion. 8. Flame ignition. 9. Combustion of liquids and sprays. 10. Pollutant emissions in combustion reactions. Index.
Author: Jacques Lafontaine
Publisher: Springer
Published: 2015-07-29
Total Pages: 408
ISBN-13: 3319207350
DOWNLOAD EBOOKThis 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.
Author: P. M. Banks
Publisher: Elsevier
Published: 2013-09-24
Total Pages: 445
ISBN-13: 1483260666
DOWNLOAD EBOOKAeronomy, 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.
Author: United States. National Aeronautics and Space Administration. Scientific and Technical Information Division
Publisher:
Published: 1965
Total Pages: 338
ISBN-13:
DOWNLOAD EBOOKBrief definitions "intended to be as clear as possible to the non-expert, but accuracy has not been compromised for the sake of readability. Mathematics has been used where necessary to avoid ambiguity."--Intro. Published 1965.
Author:
Publisher: Ed. Techniques Ingénieur
Published:
Total Pages: 22
ISBN-13:
DOWNLOAD EBOOKAuthor: Sue Blattes
Publisher: L'Editeur : EDP Sciences
Published: 2003
Total Pages: 264
ISBN-13: 9782868835888
DOWNLOAD EBOOKCet ouvrage, devenu célèbre sous son sigle MCSE, a déjà été utilisé par plus de 50 000 étudiants, chercheurs, professionnels. L'objectif est de lire et écrire des textes en anglais scientifique avec facilité et pertinence. L'ouvrage est conçu pour que l'apprenant devienne un véritable utilisateur de l'anglais. La méthode originale repose sur l'analyse des fonctions et structures nécessaires : measurement, frequency, comparison, modification, link words, time, cause and consequence, hypothesis, modality, purpose and process, impersonal forms, compound nouns and adjectives. Dans chaque unit, des tests d'auto-évaluation permettent de se situer et de construire son parcours de formation, d'abord en définissant ses objectifs à l'aide des key points et du lexis, puis, de façon plus personnalisée, en puisant dans les examples in context, checkpoints (back to basics, word web), web search, FAQs... MCSE est l'outil de base d'une méthode qui comprend aussi d'autres outils dans la même collection (Listening Comprehension for Scientiflc English et Speaking Skills in Scientitic English). L'ouvrage est destiné à tout apprenant de niveau baccalauréat qui désire acquérir une réelle compétence dans l'écriture et la lecture de textes en anglais scientifique.
