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Author : Julien Cortes
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (494 download)
Download or read book Etude des regimes transitoires d'ecoulements diphasiques a faible rapport de densite written by Julien Cortes and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : JULIEN.. CORTES
Publisher :
ISBN 13 :
Total Pages : 161 pages
Book Rating : 4.:/5 (49 download)
Download or read book Etude des régimes transitoires d'écoulements diphasiques à faible rapport de densité written by JULIEN.. CORTES and published by . This book was released on 1999 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt: CETTE THESE EST CONSACREE A L'ETUDE DES REGIMES TRANSITOIRES D'ECOULEMENTS DIPHASIQUES A FAIBLE RAPPORT DE DENSITES, C'EST A DIRE QUAND LA PHASE GAZEUSE, COMPRESSIBLE, EST BEAUCOUP PLUS LEGERE QUE LA PHASE LIQUIDE. TOUT D'ABORD, NOUS PRESENTONS BRIEVEMENT LE CONTEXTE : MODELISATION DIPHASIQUE, NOTION D'HYPERBOLICITE ET METHODE DES VOLUMES FINIS. DANS UNE SECONDE PARTIE NOUS ETUDIONS LA STRUCTURE SPECTRALE DES MATRICES JACOBIENNES DES SYSTEMES BI-FLUIDES. NOUS PROPOSONS D'INTRODUIRE LE RAPPORT DES DENSITES COMME PETIT PARAMETRE PUIS UTILISONS DES METHODES DE PERTURBATION POUR ANALYSER LES ELEMENTS PROPRES DE CES MATRICES. DE CETTE MANIERE, NOUS MONTRONS COMMENT, SELON LES MODELES, CES MATRICES PEUVENT ETRE DIAGONALISABLES A VALEURS PROPRES REELLES, COMPLEXES, OU BIEN JORDANISABLES. LA TROISIEME PARTIE EST CONSACREE A LA PROGRAMMATION DE LA METHODE DES VOLUMES FINIS DANS CE CONTEXTE EN MAILLAGE NON-STRUCTURE MULTIDIMENSIONNEL. LES RESULTATS SONT VALIDES SUR DES CAS TESTS POUR DES ECOULEMENTS EN DESEQUILIBRE PAR COMPARAISON AVEC L'EXPERIENCE MAIS AUSSI SUR DES CAS TESTS ORIGINAUX PAR RAFFINEMENT DE MAILLAGE. DANS UNE DERNIERE PARTIE, NOUS CONSTATONS QUE L'ADIMENSIONNALISATION DES DENSITES MET EN EVIDENCE LA RAIDEUR DE CERTAINS TERMES SOURCES DE RELAXATION. NOUS ETUDIONS LA DYNAMIQUE ASSOCIEE PAR ANALYSE DE STABILITE LINEAIRE ET DEVELOPPEMENT DE CHAPMAN-ENSKOG. BIEN QUE LES JACOBIENNES DU SYSTEME NE SOIENT PLUS DIAGONALISABLES A LA LIMITE NOUS MONTRONS LA STABILITE LINEAIRE FAIBLE DES REGIMES LIMITES ET CONFIRMONS CETTE APPROCHE PAR NOS RESULTATS NUMERIQUES.
Author : Jean-Luc Achard
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (489 download)
Download or read book Contribution à l'étude théorique des écoulements diphasiques en régime transitoire written by Jean-Luc Achard and published by . This book was released on 1978 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: DESCRIPTION DU PHENOMENE DE CHOUCAGE (ECOULEMENT DIPHASIQUE PULSE, AUTO-ENTRETENU, A BASSE FREQUENCE, QUI PREND NAISSANCE DANS UN CANAL VERTICAL CHAUFFE A PUISSANCE DISSIPEE CONSTANTE ET ALIMENTE EN LIQUIDE A SA PARTIE INFERIEURE). IL EST LIE AUX PROBLEMES DE SURETE DES REACTEURS A EAU ET SODIUM. LES MODELES UTILISES POUR DECRIRE CES ECOULEMENTS ET ETUDIER LEUR STABILITE SONT NON LINEAIRES, DISTRIBUES ET COMPORTENT PLUSIEURS VARIABLES D'ETAT ET DES FRONTIERES LIBRES. ON PROPOSE UNE MODELISATION STATISTIQUE DE L'EVALUATION DE CERTAINS ENSEMBLES DE PARTICULES, QUI S'APPLIQUE A L'EBULLITION SOUS-SATUREE DANS UN CANAL EN REGIME TRANSITOIRE, ET ON DETERMINE LA STRUCTURE DES LOIS D'ECHANGE AVEC LA PAROI POUR LA FORMULATION MONODIMENSIONNELLE DES ECOULEMENTS LAMINAIRES EN CONDUITE CYLINDRIQUE
Author : Séraphin Konan Kouame
Publisher :
ISBN 13 :
Total Pages : 172 pages
Book Rating : 4.:/5 (49 download)
Download or read book Étude expérimentale d'écoulements diphasiques en fracture written by Séraphin Konan Kouame and published by . This book was released on 1989 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: ON ETUDIE PAR VOIE EXPERIMENTALE DES ECOULEMENTS CO-COURANTS HORIZONTAUX, ASCENDANTS ET DESCENDANTS D'EAU ET D'AIR A TEMPERATURE AMBIANTE DANS UNE FRACTURE CONSTITUEE DE PLAQUES DE VERRE LISSES, PARALLELES DONT L'INCLINAISON VARIE DE 0#O A 90#O. ON MET EN EVIDENCE SEPT STRUCTURES D'ECOULEMENT DONT PLUSIEURS SONT ORIGINALES PAR RAPPORT A CELLES PRECEDEMMENT ETUDIEES DANS LES TUYAUX: BULLES, BULLES DIGITANTES, MIXTES COMPLEXES, FILMS, GOUTTES, FILETS, TREILLIS. ON DEMONTRE QUE CES STRUCTURES D'ECOULEMENT PEUVENT ETRE QUANTITATIVEMENT ANALYSEES AU MOYEN DU TRAITEMENT D'IMAGES. ON DRESSE DES DIAGRAMMES LOCALISANT CES REGIMES D'ECOULEMENT ET LEURS TRANSITIONS. DES RELATIONS EMPIRIQUES SONT ETABLIES POUR PREDIRE LES TRANSITIONS. ON CONSTITUE UNE BANQUE DE DONNEES CONCERNANT LE GRADIENT DE PRESSION PAR FROTTEMENT ET LES SATURATIONS DANS UNE LARGE GAMME DE VARIATION DES VITESSES DEBITANTES DES DEUX FLUIDES. ON ETABLIT AUSSI DES CORRELATIONS POUR LE GRADIENT DE PRESSION EN FONCTION DES PARAMETRES DE LOCKHART-MARTINELLI ET POUR LES SATURATIONS A L'AIDE D'UN PARAMETRE DEPENDANT DU RAPPORT DES VITESSES DEBITANTES DES PHASES. UNE TENTATIVE DE CORRELATION FAITE POUR LES PERMEABILITES RELATIVES MONTRE QUE CE PARAMETRE NE DEPEND PAS SEULEMENT DES SATURATIONS MAIS AUSSI DES REGIMES D'ECOULEMENT
Author : Robert Klöfkorn
Publisher : Springer Nature
ISBN 13 : 3030436519
Total Pages : 727 pages
Book Rating : 4.0/5 (34 download)
Download or read book Finite Volumes for Complex Applications IX - Methods, Theoretical Aspects, Examples written by Robert Klöfkorn and published by Springer Nature. This book was released on 2020-06-09 with total page 727 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Hermann Schlichting (Deceased)
Publisher : Springer
ISBN 13 : 366252919X
Total Pages : 814 pages
Book Rating : 4.6/5 (625 download)
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.
Author : Philippe Gourbesville
Publisher : Springer
ISBN 13 : 9812876154
Total Pages : 616 pages
Book Rating : 4.8/5 (128 download)
Download or read book Advances in Hydroinformatics written by Philippe Gourbesville and published by Springer. This book was released on 2015-08-21 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a collection of extended papers based on presentations given during the SIMHYDRO 2014 conference, held in Sophia Antipolis in June 2014. It focuses on the modeling and simulation of fast hydraulic transients, on 3D modeling, and on uncertainties and multiphase flows. The book explores both the limitations and performance of current models and presents the latest developments based on new numerical schemes, high-performance computing, multiphysics and multiscale methods, and better interaction with field or scale model data. It addresses the interests of practitioners, stakeholders, researchers and engineers active in this field.
Author : Trong T. Bui
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (317 download)
Download or read book A Parallel Finite Volume Algorithm for Large-eddy Simulation of Turbulent Flows written by Trong T. Bui and published by . This book was released on 1998 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : International Atomic Energy Agency
Publisher : International Atomic Energy Agency
ISBN 13 : 9789201063205
Total Pages : 72 pages
Book Rating : 4.0/5 (632 download)
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.
Author : Bharat Bhushan
Publisher : Springer Science & Business Media
ISBN 13 : 1461223644
Total Pages : 1145 pages
Book Rating : 4.4/5 (612 download)
Download or read book Tribology and Mechanics of Magnetic Storage Devices written by Bharat Bhushan and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 1145 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since January 1990, when the first edition ofthis first-of-a-kind book appeared, there has been much experimental and theoretical progress in the multi disciplinary subject of tribology and mechanics of magnetic storage devices. The subject has matured into a rigorous discipline, and many university tribology and mechanics courses now routinely contain material on magnetic storage devices. The major growth in the subject has been on the micro- and nanoscale aspects of tribology and mechanics. Today, most large magnetic storage industries use atomic force microscopes to image the magnetic storage components. Many companies use variations of AFMs such as friction force microscopes (FFMs) for frictional studies. These instruments have also been used for studying scratch, wear, and indentation. These studies are valuable in the fundamental understanding of interfacial phenomena. In the second edition, I have added a new chapter, Chapter 11, on micro and nanoscale aspects of tribology and mechanics of magnetic storage compo nents. This chapter presents the state of the art of the micro/nanotribology and micro/nanomechanics of magnetic storage components. In addition, typographical errors in Chapters 1 to 10 and the appendixes have been corrected. These additions update this book and make it more valuable to researchers of the subject. I am grateful to many colleagues and particularly to my students, whose work is reported in Chapter 11. I thank my wife, Sudha, who has been forbearing during the progress of the research reported in this chapter.
Author : Duncan Dowson
Publisher : Wiley
ISBN 13 : 9780470018415
Total Pages : 504 pages
Book Rating : 4.0/5 (184 download)
Download or read book Biotribology written by Duncan Dowson and published by Wiley. This book was released on 2019-12-04 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Denis L. Blackmore
Publisher : World Scientific
ISBN 13 : 9812563202
Total Pages : 299 pages
Book Rating : 4.8/5 (125 download)
Download or read book Vortex Dominated Flows written by Denis L. Blackmore and published by World Scientific. This book was released on 2005 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: Honoring the contributions of one of the field's leading experts, Lu Ting, this indispensable volume contains important new results at the cutting edge of research. A wide variety of significant new analytical and numerical results in critical areas are presented, including point vortex dynamics, superconductor vortices, cavity flows, vortex breakdown, shock/vortex interaction, wake flows, magneto-hydrodynamics, rotary wake flows, and hypersonic vortex phenomena.The book will be invaluable for those interested in the state of the art of vortex dominated flows, both from a theoretical and applied perspective.Professor Lu Ting and Joe Keller have worked together for over 40 years. In their first joint work entitled ?Periodic vibrations of systems governed by nonlinear partial differential equations?, perturbation analysis and bifurcation theory were used to determine the frequencies and modes of vibration of various physical systems. The novelty was the application to partial differential equations of methods which, previously, had been used almost exclusively on ordinary differential equations. Professsor Lu Ting is an expert in both fluid dynamics and the use of matched asymptotic expansions. His physical insight into fluid flows has led the way to finding the appropriate mathematical simplications used in the solutions to many difficult flow problems.
Author : Pierre-Louis Lions
Publisher : Clarendon Press
ISBN 13 : 9780198514879
Total Pages : 252 pages
Book Rating : 4.5/5 (148 download)
Download or read book Mathematical Topics in Fluid Mechanics: Volume 1: Incompressible Models written by Pierre-Louis Lions and published by Clarendon Press. This book was released on 1996-06-27 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the most challenging topics in applied mathematics over the past decades has been the development of the theory of nonlinear partial differential equations. Many of the problems in mechanics, geometry, probability, etc. lead to such equations when formulated in mathematical terms. However despite a long history of contributions, there exists no central core theory, and the most important advances have come from the study of particular equations and classes of equations arising in specific applications. This two volume work forms a unique and rigorous treatise on various mathematical aspects of fluid mechanics models. These models consist of systems of nonlinear partial differential equations like the incompressible and compressible Navier-Stokes equations. The main emphasis in Volume 1 is on the mathematical analysis of incompressible models. After recalling the fundamental description of Newtonian fluids, an original and self-contained study of both the classical Navier-Stokes equations (including the inhomogeneous case) and the Euler equations is given. Known results and many new results about the existence and regularity of solutions are presented with complete proofs. The discussion contains many interesting insights and remarks. The text highlights in particular the use of modern analytical tools and methods and also indicates many open problems. Volume 2 will be devoted to essentially new results for compressible models. Written by one of the world's leading researchers in nonlinear partial differential equations, Mathematical Topics in Fluid Mechanics will be an indispensable reference for every serious researcher in the field. Its topicality and the clear, concise and deep presentation by the author make it an outstanding contribution to the great theoretical problems in science concerning rigorous mathematical modelling of physical phenomena.
Author : A. Berlemont
Publisher :
ISBN 13 : 9781489915955
Total Pages : 356 pages
Book Rating : 4.9/5 (159 download)
Download or read book Instabilities in Multiphase Flows written by A. Berlemont and published by . This book was released on 2014-01-15 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Barbara Chapman
Publisher : IOS Press
ISBN 13 : 1607505290
Total Pages : 760 pages
Book Rating : 4.6/5 (75 download)
Download or read book Parallel Computing written by Barbara Chapman and published by IOS Press. This book was released on 2010 with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt: From Multicores and GPUs to Petascale. Parallel computing technologies have brought dramatic changes to mainstream computing the majority of todays PCs, laptops and even notebooks incorporate multiprocessor chips with up to four processors. Standard components are increasingly combined with GPUs Graphics Processing Unit, originally designed for high-speed graphics processing, and FPGAs Free Programmable Gate Array to build parallel computers with a wide spectrum of high-speed processing functions. The scale of this powerful hardware is limited only by factors such as energy consumption and thermal control. However, in addition to"
Author : János Vad
Publisher : Springer Science & Business Media
ISBN 13 : 3662087979
Total Pages : 424 pages
Book Rating : 4.6/5 (62 download)
Download or read book Modelling Fluid Flow written by János Vad and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modelling Fluid Flow presents invited lectures, workshop summaries and a selection of papers from a recent international conference CMFF '03 on fluid technology. The lectures follow the current evolution and the newest challenges of the computational methods and measuring techniques related to fluid flow. The workshop summaries reflect the recent trends, open questions and unsolved problems in the mutually inspiring fields of experimental and computational fluid mechanics. The papers cover a wide range of fluids engineering, including reactive flow, chemical and process engineering, environmental fluid dynamics, turbulence modelling, numerical methods, and fluid machinery.
Author : Frank Smith
Publisher : World Scientific
ISBN 13 : 1786340283
Total Pages : 226 pages
Book Rating : 4.7/5 (863 download)
Download or read book Fluid And Solid Mechanics written by Frank Smith and published by World Scientific. This book was released on 2016-03-22 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book leads readers from a basic foundation to an advanced-level understanding of fluid and solid mechanics. Perfect for graduate or PhD mathematical-science students looking for help in understanding the fundamentals of the topic, it also explores more specific areas such as multi-deck theory, time-mean turbulent shear flows, non-linear free surface flows, and internal fluid dynamics.Fluid and Solid Mechanics is the second volume of the LTCC Advanced Mathematics Series. This series is the first to provide advanced introductions to mathematical science topics to advanced students of mathematics. Edited by the three joint heads of the London Taught Course Centre for PhD Students in the Mathematical Sciences (LTCC), each book supports readers in broadening their mathematical knowledge outside of their immediate research disciplines while also covering specialized key areas.
