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Methode Integrale Pour La Couche Limite Tridimensionnelle Applications Au Givrage
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Book Synopsis Méthode intégrale pour la couche limite tridimensionnelle - Applications au givrage by : Charlotte Bayeux
Download or read book Méthode intégrale pour la couche limite tridimensionnelle - Applications au givrage written by Charlotte Bayeux and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Depuis de nombreuses années, le givrage a été identifié comme un danger dans le domaine de l'aéronautique.L'accrétion de givre se produit lorsque des gouttelettes d'eau surfondue se déposent sur une surface, enparticulier le bord d'attaque d'une aile ou la lèvre d'entrée d'air moteur, et gèlent après l'impact. Ceci peutensuite engendrer une dégradation des performances aérodynamiques, un dysfonctionnement des sondes ouencore un endommagement du moteur. C'est pourquoi cette problématique est étudiée avec attention. Lesessais en vol et en soufflerie étant longs et coûteux, la simulation numérique de l'accrétion de givre est devenueun outil nécessaire dans le processus de conception et de certification des avions. Cette thèse s'inscrit dans le contexte de la modélisation 3D de l'accrétion de givre, et plus particulièrement des couches limites dynamique et thermique qui se développent autour du corps givré. Les outils numériques devant être rapides et robustes, l'approche proposée dans cette thèse pour le calcul aérodynamique est une méthode couplée Euler/couche limite intégrale. Ainsi, un modèle intégral est développé pour représenterle développement de la couche limite dynamique. La partie thermique est modélisée soit par une méthodesimplifiée basée sur des approches algébriques, soit par une méthode intégrale. Cette modélisation des coucheslimites dynamique et thermique est valable sur paroi lisse ou rugueuse et permet de fournir notamment lecoefficient de frottement et le coefficient d'échange thermique qui sont nécessaires pour un calcul d'accrétion degivre. Les équations intégrales de couche limite, associées à leurs relations de fermeture, sont ensuite résoluespar une méthode Volumes-Finis sur maillage surfacique non structuré, qui est bien adaptée pour les géométriescomplexes. De plus, des traitements numériques spécifiques sont mis en œuvre pour améliorer la précision dela méthode au voisinage du point d'arrêt et pour rendre le code robuste au passage du décollement.Après la validation de la méthode de couche limite, le code est utilisé dans les chaînes de givrage 2D et 3Dde l'ONERA pour des applications d'accrétion de givre. Ceci permet de montrer l'intérêt de la méthode entermes de robustesse et de précision par rapport aux codes de couche limite habituellement utilisés dans lescodes de givrage actuels.
Book Synopsis Handbook of Numerical Simulation of In-Flight Icing by : Wagdi George Habashi
Download or read book Handbook of Numerical Simulation of In-Flight Icing written by Wagdi George Habashi and published by Springer Nature. This book was released on 2024-01-12 with total page 1278 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Handbook of Numerical Simulation of In-Flight Icing covers an array of methodologies and technologies on numerical simulation of in-flight icing and its applications. Comprised of contributions from internationally recognized experts from the Americas, Asia, and the EU, this authoritative, self-contained reference includes best practices and specification data spanning the gamut of simulation tools available internationally that can be used to speed up the certification of aircraft and make them safer to fly into known icing. The collection features nine sections concentrating on aircraft, rotorcraft, jet engines, UAVs; ice protection systems, including hot-air, electrothermal, and others; sensors and probes, CFD in the aid of testing, flight simulators, and certification process acceleration methods. Incorporating perspectives from academia, commercial, government R&D, the book is ideal for a range of engineers and scientists concerned with in-flight icing applications.
Book Synopsis Méthode de calcul de la couche limite tridimensionnelle by : Ernst A.. Eichelbrenner
Download or read book Méthode de calcul de la couche limite tridimensionnelle written by Ernst A.. Eichelbrenner and published by . This book was released on 1955 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Méthodes de calcul de la couche limite laminaire bidimensionnelle by : Ernst A. Eichelbrenner
Download or read book Méthodes de calcul de la couche limite laminaire bidimensionnelle written by Ernst A. Eichelbrenner and published by . This book was released on 1955 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 Arctic Shipping by : Frédéric Lasserre
Download or read book Arctic Shipping written by Frédéric Lasserre and published by Routledge. This book was released on 2019-09-05 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book considers both the present state of Arctic shipping and possible future trends with reference to the various sectors of maritime transportation: cruise tourism, container traffic and bulk shipping. Ports are analysed as tools that support the strategies of coastal states to foster the development of resource extraction, enhance the attractiveness of Arctic shipping lanes and enable the control of maritime activities through coast guard deployment. The aim of this book is to draw a picture of the trends of Arctic shipping. How is traffic evolving in Canada’s Arctic, or along the Northern Sea Route? Are there significant differences between bulk and container shipping segments when considering the Arctic market? How are the ports and the hinterland developing and what are the strategies behind those? How is the legal framework shaping the evolution of maritime transportation? The contributors to this book consider all of these questions, and more, as they map out the prospects for Arctic shipping and analyse in detail the development of Arctic shipping as a result of multi-variable interactions. This book will be key reading for industry professionals and post-graduate students alike.
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1988 with total page 1132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Atmospheric Icing of Power Networks by : Masoud Farzaneh
Download or read book Atmospheric Icing of Power Networks written by Masoud Farzaneh and published by Springer Science & Business Media. This book was released on 2008-08-20 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a comprehensive book that documents the fundamentals of atmospheric icing and surveys the state of the art in eight chapters, each written by a team of experienced and internationally renowned experts. The treatment is detailed and richly illustrated.
Book Synopsis Good Governance and the European Union by : Deirdre Curtin
Download or read book Good Governance and the European Union written by Deirdre Curtin and published by Intersentia nv. This book was released on 2005 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book approaches the notion of good governance from three different angles. First it establishes whether it is a meaningful notion at all by taking a closer look at the parameters of good governance. Secondly, the authors look at the institutional translation of the criteria of good governance. In a third dimension, the concept may be analysed in relation to a number of substantive issues.
Book Synopsis Scientific Canadian Mechanics' Magazine and Patent Office Record by : Canada. Patent Office
Download or read book Scientific Canadian Mechanics' Magazine and Patent Office Record written by Canada. Patent Office and published by . This book was released on 1966-03 with total page 1070 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mountain Meteorology by : C. David Whiteman
Download or read book Mountain Meteorology written by C. David Whiteman and published by Oxford University Press. This book was released on 2000-06-01 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mountain Meteorology: Fundamentals and Applications offers first an introduction to the basic principles and concepts of mountain meteorology, then goes on to discuss their application in natural resources management. It includes over two hundred beautiful, full-color photographs, figures, and diagrams, as well as observable indicators of atmospheric processes--such as winds, temperature, and clouds--to facilitate the recognition of weather systems and events for a variety of readers. It is ideal for those who spend time in or near mountains and whose daily activities are affected by weather. As a comprehensive work filled with diverse examples and colorful illustrations, it is essential for professionals, scholars, and students of meteorology.
Book Synopsis Secondary Flows in Turbomachines by : Von Karman Institute for Fluid Dynamics
Download or read book Secondary Flows in Turbomachines written by Von Karman Institute for Fluid Dynamics and published by . This book was released on 1975 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Propulsion and Energetics Panel. Symposium Publisher : ISBN 13 :9789283505297 Total Pages :0 pages Book Rating :4.5/5 (52 download)
Book Synopsis Aircraft Fire Safety by : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Propulsion and Energetics Panel. Symposium
Download or read book Aircraft Fire Safety written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Propulsion and Energetics Panel. Symposium and published by . This book was released on 1989 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Conference Proceedings contains 38 papers presented at the Propulsion and Energetics Panel 73rd Symposium on 'Aircraft Fire Safety' which was held 22 - 26 May 1989 in Sintra, Portugal. The Symposium was arranged in the following sessions: Review of Fire-Related Aircraft Accidents (3); Fire Safety Standards and Research Programmes (6); Aircraft Internal Fires (9); Aircraft External Fires (2); Fire Safety of Military Weapon Systems (3); Fire Hardening by Advanced Materials and Structural Design (8); Passenger Behaviour in Emergency Situations (3); and Passenger Protective Equipment (4). The Technical Evaluation Report and and Addendum are included at the beginning of the Proceedings. Questions and answers of the discussions follow each paper. The last AGARD review on the subject took place in a Specialists' Meeting in 1975, followed by a Working Group Report in 1979 and Lecture Series in 1982. The purpose of the Symposium was a review of the present state-of-the-art and of the last improvements. Although the safety standards in aviation are already very high, there is still room for improvements. They are listed in the Conclusions and Recommendations of the Technical Evaluation Report and in the Addendum.
Author :Advisory Committee on Technology and Society Publisher :National Academies Press ISBN 13 :9780309037860 Total Pages :1298 pages Book Rating :4.0/5 (378 download)
Book Synopsis Cities and Their Vital Systems by : Advisory Committee on Technology and Society
Download or read book Cities and Their Vital Systems written by Advisory Committee on Technology and Society and published by National Academies Press. This book was released on 1989 with total page 1298 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cities and Their Vital Systems asks basic questions about the longevity, utility, and nature of urban infrastructures; analyzes how they grow, interact, and change; and asks how, when, and at what cost they should be replaced. Among the topics discussed are problems arising from increasing air travel and airport congestion; the adequacy of water supplies and waste treatment; the impact of new technologies on construction; urban real estate values; and the field of "telematics," the combination of computers and telecommunications that makes money machines and national newspapers possible.
Author :North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Propulsion and Energetics Panel. Symposium Publisher : ISBN 13 :9789283505945 Total Pages :472 pages Book Rating :4.5/5 (59 download)
Book Synopsis Hypersonic Combined Cycle Propulsion by : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Propulsion and Energetics Panel. Symposium
Download or read book Hypersonic Combined Cycle Propulsion written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Propulsion and Energetics Panel. Symposium and published by . This book was released on 1990 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Transonic and Supersonic Phenomena in Turbomachines by :
Download or read book Transonic and Supersonic Phenomena in Turbomachines written by and published by . This book was released on 1987 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Propulsion and Energetics Panel. Specialists' Meeting Publisher : ISBN 13 : Total Pages :302 pages Book Rating :4.E/5 ( download)
Book Synopsis Application of Advanced Material for Turbomachinery and Rocket Propulsion by : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Propulsion and Energetics Panel. Specialists' Meeting
Download or read book Application of Advanced Material for Turbomachinery and Rocket Propulsion written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Propulsion and Energetics Panel. Specialists' Meeting and published by . This book was released on 1989 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt:
