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Ecoulements Non Newtoniens En Conduites Rigides Et Deformables
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Book Synopsis Écoulements non newtoniens en conduites rigides et déformables by : Andriarimavo Roger Rakotomalala
Download or read book Écoulements non newtoniens en conduites rigides et déformables written by Andriarimavo Roger Rakotomalala and published by . This book was released on 1989 with total page 221 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'OBJECTIF DE CE TRAVAIL VISE A MODELISER NUMERIQUEMENT CERTAINS ECOULEMENTS NON NEWTONIENS. LES ECOULEMENTS CONSIDERES ONT LIEU DANS TROIS CONDUITES DE NATURE DIFFERENTE: CIRCULAIRE RIGIDE, TRONCONIQUE RIGIDE PUIS CIRCULAIRE DEFORMABLE. LES PHENOMENES ANALYSES SONT RELATIFS A DES REGIMES TRANSITOIRES ET PERIODIQUES POUR DES FLUIDES A COMPORTEMENT VISQUEUX NON LINEAIRE. UN MODELE RHEOLOGIQUE A QUATRE PARAMETRES EST ADOPTE POUR ILLUSTRER LES METHODES DE RESOLUTION PROPOSEES. LES DEVELOPPEMENTS NUMERIQUES CONDUISENT A LA DETERMINATION DES PRESSIONS, DU CHAMP DES VITESSES ET DES CONTRAINTES PARIETALES. DANS LE CAS DES CONDUITES TRONCONIQUES ET DES CONDUITES DEFORMABLES, LA MODELISATION TIENT COMPTE DU CARACTERE BIDIMENSIONNEL ET NON PERMANENT DE L'ECOULEMENT, DE L'ASPECT NON LINEAIRE DU AUX TERMES CONVECTIFS ET AU COMPORTEMENT DU FLUIDE. LE MODELE NUMERIQUE EST AUSSI UTILISE POUR SIMULER QUELQUES TYPES D'ECOULEMENTS REELS REALISES SUR UN BANC EXPERIMENTAL; L'ETUDE COMPARATIVE FOURNIT DES RESULTATS SATISFAISANTS TANT EN CE QUI CONCERNE LES VALEURS DES VITESSES LOCALES QUE LA DISTRIBUTION DES PRESSIONS
Book Synopsis Ecoulements transitoires et pulsés de fluides non newtoniens by : Slaheddine El Mokhtar
Download or read book Ecoulements transitoires et pulsés de fluides non newtoniens written by Slaheddine El Mokhtar and published by . This book was released on 1981 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: Etude de l'ecoulement en conduite rigide de fluides newtoniens generalises. solution analytique de l'ecoulement plan instationnaire d'un fluide non newtonien, modelise par le fluide de maxwell. traces des courbes de profils de vitesse et de debit dans differents cas. en vue d'une application a la modelisation des fluides biologiques on introduit une viscosite non newtonienne qui transforme le systeme d'equations differentielles regissant l'ecoulement en un systeme non lineaire. solution numerique dans ce cas. etude dans le cas d'une conduite axisymetrique rigide
Book Synopsis Régimes transitoires d'écoulements non newtoniens by : X. De Costecaude de Saint Victor
Download or read book Régimes transitoires d'écoulements non newtoniens written by X. De Costecaude de Saint Victor and published by . This book was released on 1979 with total page 173 pages. Available in PDF, EPUB and Kindle. Book excerpt: ETUDE THEORIQUE ET EXPERIMENTALE DES REGIMES TRANSITOIRES EN CONDUITE CYLINDRIQUE CIRCULAIRE RIGIDE D'UN FLUIDE NEWTONIEN ET D'UN FLUIDE D'OSTWALD INITIALEMENT AU REPOS PUIS SOUMIS A DES GRADIENTS DE PRESSION DE FORME VARIEES. DETERMINATION DES PROFILS DE VITESSES, DE DEBIT ET DE TEMPS D'ETABLISSEMENT DE L'ECOULEMENT
Book Synopsis Sur une méthode de simulation numérique d'écoulements de liquides incompressibles, newtoniens et non-newtoniens, basée sur le concept de tubes de courant by : Marie-Emmanuelle De la Lande (auteure en physique).)
Download or read book Sur une méthode de simulation numérique d'écoulements de liquides incompressibles, newtoniens et non-newtoniens, basée sur le concept de tubes de courant written by Marie-Emmanuelle De la Lande (auteure en physique).) and published by . This book was released on 1986 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: La resolution du probleme aux limites est effectuee dans un domaine transforme du domaine physique. Si la geometrie d'ecoulement est simplement connexe, on montre qu'il est possible de calculer l'ecoulement sur des bandes de courant successives. Des resultats numeriques sont presentes avec un fluide newtonien et un fluide non-newtonien, pour des ecoulements dans des convergents axisymetriques
Book Synopsis Simulations numériques d'écoulements non-Newtoniens en conduite déformable by : Driss Arsalane
Download or read book Simulations numériques d'écoulements non-Newtoniens en conduite déformable written by Driss Arsalane and published by . This book was released on 1985 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'objectif de ce travail vise à modéliser numériquement et expérimentalement les écoulements pulsés de fluides à comportement newtonien ou pseudoplastique ostwaldien dans une conduite à paroi déformable. Pour ce faire, deux méthodes sont employées : l'une, numérique, basée sur l'approximation spectrale de GALERKIN, alliée à une méthode aux différences finies ; l'autre, expérimentale, utilisant la technique de la vélocimétrie laser à effet DOPPLER. Les différents développements analytico-numériques conduisent à la détermination des profils de vitesse et des répartitions de contraintes pariétales. La voie expérimentale utilise une chaîne d'acquisition et de traitement de données expérimentales sur micro-ordinateur et permet de valider le modèle théorique.
Book Synopsis Comptes rendus de l'Académie des sciences by :
Download or read book Comptes rendus de l'Académie des sciences written by and published by . This book was released on 1996 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Properties of UO2 written by J. Belle and published by . This book was released on 1957 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mechanics of Porous Media by : Philippe Charlez
Download or read book Mechanics of Porous Media written by Philippe Charlez and published by CRC Press. This book was released on 1995-01-01 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work presents the lecture notes of the 1994 Mechanics of Porous Media Summer School. Chapters cover theoretical basics, methods for measuring poroelastic coefficients, numerical implementation and applications.
Book Synopsis Star Fleet Medical Reference Manual by :
Download or read book Star Fleet Medical Reference Manual written by and published by . This book was released on 1977 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Catalytic Naphtha Reforming by : George J. Antos
Download or read book Catalytic Naphtha Reforming written by George J. Antos and published by CRC Press. This book was released on 1995 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique, single-source reference offers complete coverage of the process and catalyst chemistry involved in naphtha reforming - from the preparation, characterization, and performance evaluation of catalysts to the operation of the catalyst itself - and evaluates the most recent research into unknown aspects of catalyst reactions, shedding light on the future of catalyst technology. Discussing the complexities of the reforming process, Catalytic Naphtha Reforming delineates commercially available processes and catalysts . . . explores the chemistry of the catalytic sites employed for reactions . . . examines catalyst deactivation, pretreating processes to prevent it, and regeneration processes . . . describes metals recovery as well as significant improvements in platinum reforming catalysts . . . explains process development and modeling . . . presents new commercial technologies . . . and much more.
Book Synopsis Oxygen in Catalysis by : Adam Bielanski
Download or read book Oxygen in Catalysis written by Adam Bielanski and published by CRC Press. This book was released on 1990-11-29 with total page 489 pages. Available in PDF, EPUB and Kindle. Book excerpt: A description of catalytic systems commonly used as model systems in the laboratory and as industrial catalysts in large-scale operations, and a discussion of the mechanisms operating in these reactions. Attempts to describe the elementary steps by quantum chemical methods are also shown, as are rec
Book Synopsis Catalysis of Organic Reactions by : John R. Kosak
Download or read book Catalysis of Organic Reactions written by John R. Kosak and published by CRC Press. This book was released on 2020-08-11 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work presents a compilation of technical papers and poster synopses delivered at the 14th Conference on Catalysis of Organic Reactions. The book investigates current developments in the study of catalysis as it relates to organic synthesis, detailing industrial applications. It suggests cost-effective routes for the synthesis of valuable industrial and pharmaceutical chemicals.
Book Synopsis Polymer Processing Instabilities by : Savvas G. Hatzikiriakos
Download or read book Polymer Processing Instabilities written by Savvas G. Hatzikiriakos and published by CRC Press. This book was released on 2004-11-30 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymer Processing Instabilities: Control and Understanding offers a practical understanding of the various flows that occur during the processing of polymer melts. The book pays particular attention to flow instabilities that affect the rate of production and the methods used to prevent and eliminate flow instabilities in order to increase product
Book Synopsis Deactivation and Poisoning of Catalysts by : J. Oudar
Download or read book Deactivation and Poisoning of Catalysts written by J. Oudar and published by CRC Press. This book was released on 1985-07-02 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt: Deactivation and Poisoning of Catalysts presents the most current research in the area of heterogeneous catalysis. It focuses on the chemically induced effects associated with bonded surface species that cause catalyst activity decline -- and in some cases a change in catalyst specificity. In addition, this volume examines poisoning of dispersed metal catalysts ... the thermodynamics of sulfur-metal and carbon-metal interactions ... model poisoning reactions on single crystals ... deactivation in petroleum refining and petrochemical processes ... coking of metal catalysts ... and more. The new approaches and solutions to catalyst deactivation and poisoning presented in this guide are invaluable to all heterogeneous catalysis specialists, including chemical and petroleum engineers, and surface, synthetic, physical, and industrial chemists. Book jacket.
Book Synopsis Chemical Reaction and Reactor Engineering by : James John Carberry
Download or read book Chemical Reaction and Reactor Engineering written by James John Carberry and published by CRC Press. This book was released on 2020-08-27 with total page 1086 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents an authoritative progress report that will remain germane to the topic and prove to be a substantial inspiration to further progress. It is valuable to academic and industrial practitioners of the art and science of chemical reaction and reactor engineering.
Book Synopsis Fluid Cracking Catalysts by : Mario L. Occelli
Download or read book Fluid Cracking Catalysts written by Mario L. Occelli and published by CRC Press. This book was released on 1998-01-05 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reviews recent accomplishments in the field of fluid cracking catalysts (FCC). Discusses the development of more specialized and effective catalysts and processes as well as the modification of current technology to meet future challenges in fuel refining. Written by nearly 50 internationally recognized experts from academia and industry.
Book Synopsis Catalysis and Surface Properties of Liquid Metals and Alloys by : Keizo Ogino
Download or read book Catalysis and Surface Properties of Liquid Metals and Alloys written by Keizo Ogino and published by CRC Press. This book was released on 1987-01-30 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents up-to-date information about the catalysis and surface properties of liquid metals and liquid alloys. It is intended for use by chemical engineers and researchers in catalysis, surface science, liquid metals, and chemical process technologies.
