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Author: TERUFAT.. GETACHEW SAWAYA
Publisher:
ISBN:
Category :
Languages : fr
Pages : 189
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Book Description
CE TRAVAIL S'INSCRIT DANS LE CADRE D'UN GROUPEMENT DE RECHERCHE ECODEV COMPRENANT 5 LABORATOIRES UNIVERSITAIRES ET 4 SOCIETES PETROLIERES OU GAZIERES. DEUX THEMES NOUS ONT ETE AFFECTES : - ETUDE DE COMPOSES PEU VOLATILS D'INTERET PETROLIER. LA CARACTERISTIQUE DE CETTE ETUDE EFFECTUEE AU MOYEN DU DISPOSITIF STATIQUE DISPONIBLE AU LABORATOIRE EST LA GRANDE PRECISION DEMANDEE SUR LES MESURES DE TENSIONS DE VAPEUR. NOUS AVONS DONC PROCEDE PREALABLEMENT A UN ETALONNAGE SOIGNE DES CAPTEURS DE PRESSION, TOUT PARTICULIEREMENT DANS LE DOMAINE DES FAIBLES PRESSIONS. ENSUITE, CET ETALONNAGE A ETE VERIFIE PAR L'ETUDE DU NAPHTALENE. DES TENSIONS DE VAPEUR DE 3 POLYAROMATIQUES CONDENSES, DE 2 COMPOSES AROMATIQUES ET DE 2 COMPOSES DE DEGRADATION DE SUBSTANCES BIOLOGIQUES A L'ORIGINE DU PETROLE ONT ETE MESUREES. COMPTE TENU DU DOMAINE DE PRESSION PARTICULIEREMENT LARGE DANS LEQUEL CES PRODUITS ONT ETE ETUDIES, LA PLUPART DES RESULTATS SONT ORIGINAUX. ILS ONT ETE CORRELES PAR L'EQUATION D'ANTOINE. - ETUDE DES SYSTEMES EAU-METHANOL ET EAU-METHANOL-CHLORURE DE SODIUM LA PRODUCTION PETROLIERE DES GISEMENTS DE LA MER DU NORD EST TRANSPORTEE PAR PIPES SOUS MARINS DANS LESQUELS CIRCULENT A LA FOIS LE GAZ, LE PETROLE ET L'EAU. CE MODE DE TRANSPORT PARTICULIER POLYPHASIQUE PRESENTE UN GRAVE INCONVENIENT : LA FORMATION POSSIBLE D'HYDRATES D'HYDROCARBURES QUI SONT SUSCEPTIBLES DE FORMER DES DEPOTS SOLIDES CONDUISANT A UN BOUCHAGE DU PIPE. POUR EVITER LA FORMATION DE CES HYDRATES, LES EXPLOITANTS INJECTENT DES QUANTITES MASSIVES DE METHANOL. AFIN D'OPTIMISER CETTE INJECTION, L'ETUDE DES SYSTEMES EAU-METHANOL ET EAU-METHANOL-CHLORURE DE SODIUM EST NECESSAIRE. DEUX TYPES DE TRAVAUX ONT ETE MENES : - ETUDE DES EQUILIBRES LIQUIDE-VAPEUR AVEC ANALYSE EN LIGNE DE LA PHASE VAPEUR. POUR CELA UN DISPOSITIF ORIGINAL COMPORTANT L'APPAREIL STATIQUE COUPLE A UN CHROMATOGRAPHE A ETE MIS AU POINT. - ETUDE DES MASSES VOLUMIQUES A 25\C ET 1 ATM. CES DEUX TYPES DE DONNEES (EQUILIBRES LIQUIDE-VAPEUR ET MASSES VOLUMIQUES) SONT ESSENTIELLES POUR LE CALAGE DES PARAMETRES DES EQUATIONS D'ETAT UTILISEES POUR MODELISER ET PREDIRE LE COMPORTEMENT DU SYSTEME GAZ-PETROLE-EAU SALEE.
Author: TERUFAT.. GETACHEW SAWAYA
Publisher:
ISBN:
Category :
Languages : fr
Pages : 189
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Book Description
CE TRAVAIL S'INSCRIT DANS LE CADRE D'UN GROUPEMENT DE RECHERCHE ECODEV COMPRENANT 5 LABORATOIRES UNIVERSITAIRES ET 4 SOCIETES PETROLIERES OU GAZIERES. DEUX THEMES NOUS ONT ETE AFFECTES : - ETUDE DE COMPOSES PEU VOLATILS D'INTERET PETROLIER. LA CARACTERISTIQUE DE CETTE ETUDE EFFECTUEE AU MOYEN DU DISPOSITIF STATIQUE DISPONIBLE AU LABORATOIRE EST LA GRANDE PRECISION DEMANDEE SUR LES MESURES DE TENSIONS DE VAPEUR. NOUS AVONS DONC PROCEDE PREALABLEMENT A UN ETALONNAGE SOIGNE DES CAPTEURS DE PRESSION, TOUT PARTICULIEREMENT DANS LE DOMAINE DES FAIBLES PRESSIONS. ENSUITE, CET ETALONNAGE A ETE VERIFIE PAR L'ETUDE DU NAPHTALENE. DES TENSIONS DE VAPEUR DE 3 POLYAROMATIQUES CONDENSES, DE 2 COMPOSES AROMATIQUES ET DE 2 COMPOSES DE DEGRADATION DE SUBSTANCES BIOLOGIQUES A L'ORIGINE DU PETROLE ONT ETE MESUREES. COMPTE TENU DU DOMAINE DE PRESSION PARTICULIEREMENT LARGE DANS LEQUEL CES PRODUITS ONT ETE ETUDIES, LA PLUPART DES RESULTATS SONT ORIGINAUX. ILS ONT ETE CORRELES PAR L'EQUATION D'ANTOINE. - ETUDE DES SYSTEMES EAU-METHANOL ET EAU-METHANOL-CHLORURE DE SODIUM LA PRODUCTION PETROLIERE DES GISEMENTS DE LA MER DU NORD EST TRANSPORTEE PAR PIPES SOUS MARINS DANS LESQUELS CIRCULENT A LA FOIS LE GAZ, LE PETROLE ET L'EAU. CE MODE DE TRANSPORT PARTICULIER POLYPHASIQUE PRESENTE UN GRAVE INCONVENIENT : LA FORMATION POSSIBLE D'HYDRATES D'HYDROCARBURES QUI SONT SUSCEPTIBLES DE FORMER DES DEPOTS SOLIDES CONDUISANT A UN BOUCHAGE DU PIPE. POUR EVITER LA FORMATION DE CES HYDRATES, LES EXPLOITANTS INJECTENT DES QUANTITES MASSIVES DE METHANOL. AFIN D'OPTIMISER CETTE INJECTION, L'ETUDE DES SYSTEMES EAU-METHANOL ET EAU-METHANOL-CHLORURE DE SODIUM EST NECESSAIRE. DEUX TYPES DE TRAVAUX ONT ETE MENES : - ETUDE DES EQUILIBRES LIQUIDE-VAPEUR AVEC ANALYSE EN LIGNE DE LA PHASE VAPEUR. POUR CELA UN DISPOSITIF ORIGINAL COMPORTANT L'APPAREIL STATIQUE COUPLE A UN CHROMATOGRAPHE A ETE MIS AU POINT. - ETUDE DES MASSES VOLUMIQUES A 25\C ET 1 ATM. CES DEUX TYPES DE DONNEES (EQUILIBRES LIQUIDE-VAPEUR ET MASSES VOLUMIQUES) SONT ESSENTIELLES POUR LE CALAGE DES PARAMETRES DES EQUATIONS D'ETAT UTILISEES POUR MODELISER ET PREDIRE LE COMPORTEMENT DU SYSTEME GAZ-PETROLE-EAU SALEE.
Author: Robert Klöfkorn
Publisher: Springer Nature
ISBN: 3030436519
Category : Computers
Languages : en
Pages : 727
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Book Description
The proceedings of the 9th conference on "Finite Volumes for Complex Applications" (Bergen, June 2020) are structured in two volumes. The first volume collects the focused invited papers, as well as the reviewed contributions from internationally leading researchers in the field of analysis of finite volume and related methods. Topics covered include convergence and stability analysis, as well as investigations of these methods from the point of view of compatibility with physical principles. Altogether, a rather comprehensive overview is given on the state of the art in the field. The properties of the methods considered in the conference give them distinguished advantages for a number of applications. These include fluid dynamics, magnetohydrodynamics, structural analysis, nuclear physics, semiconductor theory, carbon capture utilization and storage, geothermal energy and further topics. The second volume covers reviewed contributions reporting successful applications of finite volume and related methods in these fields. The finite volume method in its various forms is a space discretization technique for partial differential equations based on the fundamental physical principle of conservation. Many finite volume methods preserve further qualitative or asymptotic properties, including maximum principles, dissipativity, monotone decay of free energy, and asymptotic stability, making the finite volume methods compatible discretization methods, which preserve qualitative properties of continuous problems at the discrete level. This structural approach to the discretization of partial differential equations becomes particularly important for multiphysics and multiscale applications. The book is a valuable resource for researchers, PhD and master’s level students in numerical analysis, scientific computing and related fields such as partial differential equations, as well as engineers working in numerical modeling and simulations.
Author: John M. Prausnitz
Publisher: Pearson Education
ISBN: 0132440504
Category : Science
Languages : en
Pages : 1150
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Book Description
The classic guide to mixtures, completely updated with new models, theories, examples, and data. Efficient separation operations and many other chemical processes depend upon a thorough understanding of the properties of gaseous and liquid mixtures. Molecular Thermodynamics of Fluid-Phase Equilibria, Third Edition is a systematic, practical guide to interpreting, correlating, and predicting thermodynamic properties used in mixture-related phase-equilibrium calculations. Completely updated, this edition reflects the growing maturity of techniques grounded in applied statistical thermodynamics and molecular simulation, while relying on classical thermodynamics, molecular physics, and physical chemistry wherever these fields offer superior solutions. Detailed new coverage includes: Techniques for improving separation processes and making them more environmentally friendly. Theoretical concepts enabling the description and interpretation of solution properties. New models, notably the lattice-fluid and statistical associated-fluid theories. Polymer solutions, including gas-polymer equilibria, polymer blends, membranes, and gels. Electrolyte solutions, including semi-empirical models for solutions containing salts or volatile electrolytes. Coverage also includes: fundamentals of classical thermodynamics of phase equilibria; thermodynamic properties from volumetric data; intermolecular forces; fugacities in gas and liquid mixtures; solubilities of gases and solids in liquids; high-pressure phase equilibria; virial coefficients for quantum gases; and much more. Throughout, Molecular Thermodynamics of Fluid-Phase Equilibria strikes a perfect balance between empirical techniques and theory, and is replete with useful examples and experimental data. More than ever, it is the essential resource for engineers, chemists, and other professionals working with mixtures and related processes.
Author: World Petroleum Congress
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 492
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Book Description
Author: Jeffrey L. Star
Publisher: Cambridge University Press
ISBN: 0521440327
Category : Science
Languages : en
Pages : 250
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Book Description
Applications of remote sensing and geographic information systems to resource management and environmental research.
Author:
Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 646
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Author: Alain Hébert
Publisher: Presses inter Polytechnique
ISBN: 2553014368
Category : Nuclear physics
Languages : en
Pages : 426
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Book Description
Author: James J. Duderstadt
Publisher: John Wiley & Sons
ISBN:
Category : Science
Languages : en
Pages : 630
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Book Description
Problems after each chapter
Author: Tony Binns
Publisher:
ISBN:
Category : History
Languages : en
Pages : 298
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Book Description
A series of case studies revealing how the indigenous people of Africa are coping with the local environment by using a number of methods such as soil conservation, diversification, pastoral systems, irrigation projects and innovative crop-growing strategies.
Author: Yousry Azmy
Publisher: Springer Science & Business Media
ISBN: 9048134110
Category : Technology & Engineering
Languages : en
Pages : 476
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Book Description
Nuclear engineering has undergone extensive progress over the years. In the past century, colossal developments have been made and with specific reference to the mathematical theory and computational science underlying this discipline, advances in areas such as high-order discretization methods, Krylov Methods and Iteration Acceleration have steadily grown. Nuclear Computational Science: A Century in Review addresses these topics and many more; topics which hold special ties to the first half of the century, and topics focused around the unique combination of nuclear engineering, computational science and mathematical theory. Comprising eight chapters, Nuclear Computational Science: A Century in Review incorporates a number of carefully selected issues representing a variety of problems, providing the reader with a wealth of information in both a clear and concise manner. The comprehensive nature of the coverage and the stature of the contributing authors combine to make this a unique landmark publication. Targeting the medium to advanced level academic, this book will appeal to researchers and students with an interest in the progression of mathematical theory and its application to nuclear computational science.
