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Impact De Gouttelette Et Changement De Phase Par La Methode De Boltzmann Sur Reseau
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Book Synopsis Impact de gouttelette et changement de phase par la méthode de Boltzmann sur réseau by : Sami Ammar
Download or read book Impact de gouttelette et changement de phase par la méthode de Boltzmann sur réseau written by Sami Ammar and published by . This book was released on 2017 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: Les écoulements multiphasiques avec changement de phase et transfert de chaleur interviennent dans de nombreuses applications industrielles et processus naturels. Malgré le développement rapide des outils numériques, la simulation numérique d'écoulements fluides à plusieurs phases immiscibles demeure un défi en raison de la difficulté inhérente à suivre les interfaces. Habituellement, pour résoudre ce type d'écoulement, des méthodes numériques basées sur les équations de Navier Stokes couplées à des méthodes lagrangiennes ou eulériennes sont utilisées. Cependant, ces dernières décennies, la méthode Boltzamnn sur réseau est apparue comme une méthode prometteuse pour simuler les écoulements à géométrie complexe et à plusieurs phases. Dans ce contexte, l'objectif principal de cette thèse est de développer un modèle multiphasique 3D basé sur la méthode de Boltzmann sur réseau capable d'étudier l'impact d'une gouttelette sur une surface et de traiter les changements de phase. Pour ce faire, le modèle pseudo-potentiel de Shan & Chen pour la simulation d'écoulement à plusieurs phases et plusieurs composants est utilisé comme point de départ. Cette recherche doctorale est organisée autour de trois thèmes afin de mettre en évidence les contributions. Des cas tests sont réalisés afin de valider les améliorations apportées au modèle et des applications physiques sont proposées. Le premier thème apporte une amélioration au modèle pseudo-potentiel en découplant la tension de surface et la densité. Le tenseur de pression du modèle 3D est modifié pour permettre un ajustement de la tension de surface tout en préservant la consistance thermodynamique. Dans ce thème, l'étude de l'impact d'une gouttelette sur une surface sèche et mouillée est analysée. Le thème 2 généralise la méthode de modification du tenseur de pression aux cas d'écoulements à plusieurs composants, dont la viscosité des fluides est différente. Il permet de simuler des écoulements à ratios de densité et de viscosité élevés. Enfin, le thème 3 ajoute les effets thermiques au modèle multiphasique à plusieurs composants. Le changement de phase et les échanges de chaleur entre composants sont étudiés. Pour chacun des thèmes, un article scientifique a été rédigé et soumis à un journal.
Book Synopsis Basic Concepts for Simple and Complex Liquids by : Jean-Louis Barrat
Download or read book Basic Concepts for Simple and Complex Liquids written by Jean-Louis Barrat and published by Cambridge University Press. This book was released on 2003-03-27 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presenting a unified approach, this book focusses on the concepts and theoretical methods that are necessary for an understanding of the physics and chemistry of the fluid state. The authors do not attempt to cover the whole field in an encyclopedic manner. Instead, important ideas are presented in a concise and rigorous style, and illustrated with examples from both simple molecular liquids and more complex soft condensed matter systems such as polymers, colloids, and liquid crystals.
Book Synopsis Dictionary of Building and Civil Engineering by : Don Montague
Download or read book Dictionary of Building and Civil Engineering written by Don Montague and published by Taylor & Francis. This book was released on 1996 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dual-language dictionary lists over 20,000 specialist terms in both French and English, covering architecture, building, engineering and property terms. It meets the needs of all building professionals working on projects overseas. It has been comprehensively researched and compiled to provide an invaluable reference source in an increasingly European marketplace.
Book Synopsis On the Continuity of the Gaseous and Liquid States by : J. D. Van Der Waals
Download or read book On the Continuity of the Gaseous and Liquid States written by J. D. Van Der Waals and published by Courier Corporation. This book was released on 2004-01-01 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: This much-cited thesis by J. D. van der Waals, the recipient of the 1910 Nobel Prize in physics, is accompanied by an introductory essay by J. S. Rowlinson and another work by van der Waals on the theory of liquid mixtures. 1988 edition.
Book Synopsis Acoustics, Aeroacoustics and Vibrations by : Fabien Anselmet
Download or read book Acoustics, Aeroacoustics and Vibrations written by Fabien Anselmet and published by John Wiley & Sons. This book was released on 2016-01-07 with total page 529 pages. Available in PDF, EPUB and Kindle. Book excerpt: This didactic book presents the main elements of acoustics, aeroacoustics and vibrations. Illustrated with numerous concrete examples linked to solid and fluid continua, Acoustics, Aeroacoustics and Vibrations proposes a selection of applications encountered in the three fields, whether in room acoustics, transport, energy production systems or environmental problems. Theoretical approaches enable us to analyze the different processes in play. Typical results, mostly from numerical simulations, are used to illustrate the main phenomena (fluid acoustics, radiation, diffraction, vibroacoustics, etc.).
Book Synopsis Aerosol Filtration by : Dominique Thomas
Download or read book Aerosol Filtration written by Dominique Thomas and published by Elsevier. This book was released on 2016-11-30 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt: Filtration of aerosols is omnipresent in our daily lives, in areas as diverse as health, the protection of people and the environment, and air treatment inside buildings. However, the collection of particles within a filter media is not, contrary to popular belief, linked to a simple screen effect. The phenomena involved are much more complex and require the consideration of aerosol interactions, filter media and process conditions to select the best fiber filter for a given application. Aerosol Filtration, book for students, hygiene or process engineers, fibrous media manufacturers, designers, and filtration system suppliers or users addresses the filtration of aerosols in six chapters. These chapters cover physics and aerosol characterization, the fibrous media, and efficiency and filter clogging by solid or liquid aerosols, with special attention to the filtration of the nanoparticles. - Analyses the behavior of fibrous media against solid and liquid aerosols - Presents models of efficiency and pressure drop - Introduces computing elements for estimating the lifetime of filters - Provides guidance for designing filters and predicting their behavior over time
Book Synopsis Managing California's Snow Zone Lands for Water by : Henry Walter Anderson
Download or read book Managing California's Snow Zone Lands for Water written by Henry Walter Anderson and published by . This book was released on 1963 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nanofabrication by : Maria Stepanova
Download or read book Nanofabrication written by Maria Stepanova and published by Springer Science & Business Media. This book was released on 2011-11-08 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Intended to update scientists and engineers on the current state of the art in a variety of key techniques used extensively in the fabrication of structures at the nanoscale. The present work covers the essential technologies for creating sub 25 nm features lithographically, depositing layers with nanometer control, and etching patterns and structures at the nanoscale. A distinguishing feature of this book is a focus not on extension of microelectronics fabrication, but rather on techniques applicable for building NEMS, biosensors, nanomaterials, photonic crystals, and other novel devices and structures that will revolutionize society in the coming years.
Book Synopsis Experimental Aerodynamics by : Stefano Discetti
Download or read book Experimental Aerodynamics written by Stefano Discetti and published by CRC Press. This book was released on 2017-03-16 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experimental Aerodynamics provides an up to date study of this key area of aeronautical engineering. The field has undergone significant evolution with the development of 3D techniques, data processing methods, and the conjugation of simultaneous measurements of multiple quantities. Written for undergraduate and graduate students in Aerospace Engineering, the text features chapters by leading experts, with a consistent structure, level, and pedagogical approach. Fundamentals of measurements and recent research developments are introduced, supported by numerous examples, illustrations, and problems. The text will also be of interest to those studying mechanical systems, such as wind turbines.
Book Synopsis Satellite Situation Report by : Goddard Space Flight Center. Office of Public Affairs
Download or read book Satellite Situation Report written by Goddard Space Flight Center. Office of Public Affairs and published by . This book was released on 1977 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chemical Composition of Snow in the Northern Sierra Nevada and Other Areas by : John Henry Feth
Download or read book Chemical Composition of Snow in the Northern Sierra Nevada and Other Areas written by John Henry Feth and published by . This book was released on 1964 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Turbulent Reactive Flows by : R. Borghi
Download or read book Turbulent Reactive Flows written by R. Borghi and published by Springer. This book was released on 2012-10-20 with total page 950 pages. Available in PDF, EPUB and Kindle. Book excerpt: Turbulent reactive flows are of common occurrance in combustion engineering, chemical reactor technology and various types of engines producing power and thrust utilizing chemical and nuclear fuels. Pollutant formation and dispersion in the atmospheric environment and in rivers, lakes and ocean also involve interactions between turbulence, chemical reactivity and heat and mass transfer processes. Considerable advances have occurred over the past twenty years in the understanding, analysis, measurement, prediction and control of turbulent reactive flows. Two main contributors to such advances are improvements in instrumentation and spectacular growth in computation: hardware, sciences and skills and data processing software, each leading to developments in others. Turbulence presents several features that are situation-specific. Both for that reason and a number of others, it is yet difficult to visualize a so-called solution of the turbulence problem or even a generalized approach to the problem. It appears that recognition of patterns and structures in turbulent flow and their study based on considerations of stability, interactions, chaos and fractal character may be opening up an avenue of research that may be leading to a generalized approach to classification and analysis and, possibly, prediction of specific processes in the flowfield. Predictions for engineering use, on the other hand, can be foreseen for sometime to come to depend upon modeling of selected features of turbulence at various levels of sophistication dictated by perceived need and available capability.
Book Synopsis Cold Regions Science and Engineering Monograph by :
Download or read book Cold Regions Science and Engineering Monograph written by and published by . This book was released on 1969 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book ZnO Thin Films written by Paolo Mele and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Zinc oxide (ZnO) is an n-type semiconductor with versatile applications such as optical devices in ultraviolet region, piezoelectric transducers, transparent electrode for solar cells and gas sensors. This book "ZnO Thin Films: Properties, Performance and Applications" gives a deep insight in the intriguing science of zinc oxide thin films. It is devoted to cover the most recent advances and reviews the state of the art of ZnO thin films applications involving energy harvesting, microelectronics, magnetic devices, photocatalysis, photovoltaics, optics, thermoelectricity, piezoelectricity, electrochemistry, temperature sensing. It serves as a fundamental information source on the techniques and methodologies involved in zinc oxide thin films growth, characterization, post-deposition plasma treatments and device processing. This book will be invaluable to the experts to consolidate their knowledge and provide insight and inspiration to beginners wishing to learn about zinc oxide thin films.
Book Synopsis Pressure and Temperature Sensitive Paints by : Tianshu Liu
Download or read book Pressure and Temperature Sensitive Paints written by Tianshu Liu and published by Springer Science & Business Media. This book was released on 2006-01-06 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: Luminescent molecule sensors, called pressure-sensitive paint (PSP) and temperature-sensitive paint (TSP), measure factors essential for understanding the aerodynamic performance and heat transfer characteristics of flight vehicles. They provide a powerful tool for experimental aerodynamicists to obtain a deeper understanding of the rich physical phenomena in complex flows around a flight vehicle. This book helps the reader to understand the physics and chemistry and the capabilities of PSP and TSP. It provides an overview of the wide scope of applications and explains the system requirements for using these sensors. The book also includes an extensive table of properties of PTP and TSP. As such, it is a thorough and up-to-date coverage of the underlying physics and applications of luminescent molecules designed for global pressure and temperature mapping
Book Synopsis Project Skywater Biennial Report by : United States. Atmospheric Water Resources Program
Download or read book Project Skywater Biennial Report written by United States. Atmospheric Water Resources Program and published by . This book was released on 1973 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. for 1967- issued in 2 parts: v. 1, Summary; v. 2 Contractor reports
Book Synopsis The Physics of Clouds by : B.J. Mason
Download or read book The Physics of Clouds written by B.J. Mason and published by OUP Oxford. This book was released on 2010-05-20 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cloud physics is concerned with the processes responsible for the formation of clouds and the release of precipitation. This classic book gives a comprehensive account of research on the microphysical processes of nucleation, condensation, droplet growth, initiation and growth of snow crystals, and the mechanisms of precipitation release.
