CONTRIBUTION A L'ETUDE DE L'ETALEMENT DES MATERIAUX FONDUS AVEC SOLIDIFICATION

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Publisher :
ISBN 13 :
Total Pages : 151 pages
Book Rating : 4.:/5 (49 download)

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Book Synopsis CONTRIBUTION A L'ETUDE DE L'ETALEMENT DES MATERIAUX FONDUS AVEC SOLIDIFICATION by : ZOUHAIER.. JERBI

Download or read book CONTRIBUTION A L'ETUDE DE L'ETALEMENT DES MATERIAUX FONDUS AVEC SOLIDIFICATION written by ZOUHAIER.. JERBI and published by . This book was released on 1996 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt: CE TRAVAIL S'INSCRIT DANS LE CADRE GENERAL DE L'ETUDE DES ACCIDENTS GRAVES QUI PEUVENT SURVENIR SUR UN REACTEUR NUCLEAIRE A EAU SOUS PRESSION. DANS CE VASTE PROGRAMME, ON ENVISAGE LE PERCEMENT DE LA CUVE DU REACTEUR PAR LE CUR EN FUSION (CORIUM). IL SE POSE ALORS LE PROBLEME DU REFROIDISSEMENT A LONG TERME DE CE FLUIDE, LARGEMENT CONDITIONNE PAR LA REPARTITION SPATIALE DE CE FLUIDE SUR LES STRUCTURES SE TROUVANT SOUS LA CUVE. LE BUT ULTIME DE CETTE THESE EST LA MODELISATION DES PHENOMENES PHYSIQUES LIES A L'ETALEMENT ET LA VALIDATION D'UN LOGICIEL DE CALCUL. LE PROGRAMME CORINE, LANCE AU COMMISSARIAT A L'ENERGIE ATOMIQUE, EST CONCUE POUR FOURNIR LES DONNEES EXPERIMENTALES NECESSAIRES. L'ETUDE DES ASPECTS HYDRODYNAMIQUES A MONTRE L'EXISTENCE DE TROIS DIFFERENTS REGIMES QUI SE DISTINGUENT PAR LA NATURE DES FORCES MOTRICES ET RETARDATRICES QUI CONTROLENT L'ECOULEMENT: GRAVITE-INERTIE, GRAVITE-VISCOSITE ET TENSION SUPERFICIELLE-VISCOSITE. LES ESSAIS REALISES SUR LES DISPOSITIFS CORINE ONT PERMIS DE VALIDER LES MODELES ANALYTIQUES PROPOSES. APRES LES ASPECTS HYDRODYNAMIQUES, NOUS AVONS PASSE A L'ETALEMENT AVEC SOLIDIFICATION, ET A L'ANALYSE DU LOGICIEL MELTSPREAD, QUI CONSTITUE LE SEUL OUTIL NUMERIQUE CAPABLE DE CALCULER L'ETALEMENT DES MATERIAUX FONDUS SUR DU BETON. POUR LA VALIDATION PROPREMENT DIT, NOUS AVONS COMMENCE PAR LES ASPECTS HYDRODYNAMIQUES ET LES RESULTATS OBTENUS SONT EN BON ACCORD AVEC LES MODELES RENCONTRES DANS LA LITTERATURE AINSI QU'AVEC LES ESSAIS EN REGIME INERTIEL ET VISQUEUX. DES CALCULS D'ETALEMENT AVEC SOLIDIFICATION ETE AUSSI EFFECTUE ET MONTRE UNE DESCRIPTION ASSEZ COHERENTE DES PHENOMENES DE L'ETALEMENT ET DE LA SOLIDIFICATION. UNE ANALYSE QUALITATIVE DES RESULTATS DE MELTSPREAD, OBTENUE PAR LA COMPARAISON AVEC LES EXPERIENCES CORINE AVEC GEL, DONNE UN ACCORD TRES SATISFAISANT

Multi-physics Approach to the Modelling and Analysis of Molten Salt Reactors

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Publisher : Nova Novinka
ISBN 13 : 9781614700005
Total Pages : 0 pages
Book Rating : 4.7/5 ( download)

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Book Synopsis Multi-physics Approach to the Modelling and Analysis of Molten Salt Reactors by : Lelio Luzzi

Download or read book Multi-physics Approach to the Modelling and Analysis of Molten Salt Reactors written by Lelio Luzzi and published by Nova Novinka. This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multi-Physics Modelling (MPM) is an innovative simulation technique that looks very promising for the employment in the field of nuclear engineering as an integrative analysis support in the design development of current and innovative nuclear reactors. This book presents a Multi-Physics Modelling (MPM) approach to the analysis of nuclear reactor core behaviour, developed to study the coupling between neutronics and thermo-hydrodynamics. Reference is made to the Molten Salt Reactor, one of the innovative nuclear systems under development in the framework of the Generation IV International Forum, but the same methodology can be applied to other reactor systems.

Gas-cooled Nuclear Reactors

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ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.3/5 ( download)

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Book Synopsis Gas-cooled Nuclear Reactors by : France. Commissariat à l'énergie atomique

Download or read book Gas-cooled Nuclear Reactors written by France. Commissariat à l'énergie atomique and published by . This book was released on 2006 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:

From Microphysics to Macrophysics

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Publisher : Springer Science & Business Media
ISBN 13 : 3540454802
Total Pages : 626 pages
Book Rating : 4.5/5 (44 download)

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Book Synopsis From Microphysics to Macrophysics by : Roger Balian

Download or read book From Microphysics to Macrophysics written by Roger Balian and published by Springer Science & Business Media. This book was released on 2007-06-26 with total page 626 pages. Available in PDF, EPUB and Kindle. Book excerpt: This popular, often cited text returns in a softcover edition to provide a thorough introduction to statistical physics and thermodynamics, and to exhibit the universal chain of ideas leading from the laws of microphysics to the macroscopic behaviour of matter. A wide range of applications illustrates the concepts, and many exercises reinforce understanding. Volume II applies statistical methods to systems governed by quantum effects, in particular to solid state physics, explaining properties due to the crystal structure or to the lattice excitations or to the electrons. The last chapters are devoted to non-equilibrium processes and to kinetic equations, with many applications included.

Four Laws That Drive the Universe

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Publisher : OUP Oxford
ISBN 13 : 0191647632
Total Pages : 142 pages
Book Rating : 4.1/5 (916 download)

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Book Synopsis Four Laws That Drive the Universe by : Peter Atkins

Download or read book Four Laws That Drive the Universe written by Peter Atkins and published by OUP Oxford. This book was released on 2007-09-06 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: The laws of thermodynamics drive everything that happens in the universe. From the sudden expansion of a cloud of gas to the cooling of hot metal, and from the unfurling of a leaf to the course of life itself - everything is directed and constrained by four simple laws. They establish fundamental concepts such as temperature and heat, and reveal the arrow of time and even the nature of energy itself. Peter Atkins' powerful and compelling introduction explains what the laws are and how they work, using accessible language and virtually no mathematics. Guiding the reader from the Zeroth Law to the Third Law, he introduces the fascinating concept of entropy, and how it not only explains why your desk tends to get messier, but also how its unstoppable rise constitutes the engine of the universe.

Solid Fuel Reactors

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Publisher :
ISBN 13 : 9781258727338
Total Pages : 860 pages
Book Rating : 4.7/5 (273 download)

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Book Synopsis Solid Fuel Reactors by : Joseph Robert Dietrich

Download or read book Solid Fuel Reactors written by Joseph Robert Dietrich and published by . This book was released on 2013-05 with total page 860 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contributing Authors Include D. F. Babcock, W. R. Baldwin, D. W. Bareis, And Others.

Basic Studies in the Field of High-temperature Engineering

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Publisher : Paris, France : Nuclear Energy Agency, Organisation for Economic Co-operation and Development
ISBN 13 :
Total Pages : 370 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Basic Studies in the Field of High-temperature Engineering by : Nihon Genshiryoku Kenkyūjo

Download or read book Basic Studies in the Field of High-temperature Engineering written by Nihon Genshiryoku Kenkyūjo and published by Paris, France : Nuclear Energy Agency, Organisation for Economic Co-operation and Development. This book was released on 2002 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: In response to increasing interest in high-temperature, gas-cooled reactors (HTGRs) in many countries and the need for improved materials for nuclear applications in high-temperature environments, the NEA organised a Second Information Exchange Meeting on Basic Studies in the Field of High-temperature Engineering. These proceedings provide an overview of the activities being carried out in eight countries, the improvement of material properties for HTGR application, in-core monitoring methods and properties of irradiated graphite, and HTGR fuel fabrication and performance.