New Approaches And Concepts In Turbulence

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New Approaches and Concepts in Turbulence

Author : T. Dracos,A. Tsinober
Publisher : Birkhäuser
Page : 409 pages
File Size : 53,9 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9783034885850

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New Approaches and Concepts in Turbulence by T. Dracos,A. Tsinober Pdf

This book contains the proceedings of a colloquium held in Monte Verit from September 9-13, 1991. Special care has been taken to devote adequate space to the scientific discussions, which claimed about half of the time available. Scientists from all over the world presented their views on the importance of kinematic properties, topology and fractal geometry, and on the dynamic behaviour of turbulent flows. They debated the importance of coherent structures and the possibility to incorporate these in the statistical theory of turbulence, as well as their significance for the reduction of the degrees of freedom and the prospective of dynamical systems and chaos approaches to the problem of turbulence. Also under discussion was the relevance of these new approaches to the study of the instability and the origin of turbulence, and the importance of numerical and physical experiments in improving the understanding of turbulence.

An Informal Conceptual Introduction to Turbulence

Author : Arkady Tsinober
Publisher : Springer Science & Business Media
Page : 475 pages
File Size : 47,6 Mb
Release : 2009-08-29
Category : Technology & Engineering
ISBN : 9789048131747

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An Informal Conceptual Introduction to Turbulence by Arkady Tsinober Pdf

This fully revised second edition focuses on physical phenomena and observations in turbulence, and is focused on reversing misconceptions and ill-defined concepts. New topics include ergodicity, Eulerian versus Lagrangian descriptions, theory validation, and anomalous scaling.

Sediment Transport

Author : Albert Gyr,Klaus Hoyer
Publisher : Springer Science & Business Media
Page : 290 pages
File Size : 55,8 Mb
Release : 2006-09-21
Category : Technology & Engineering
ISBN : 9781402050169

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Sediment Transport by Albert Gyr,Klaus Hoyer Pdf

This textbook discusses the fundamental principles of sediment transport in the geophysical context of rivers. It is intended as both a course textbook and as a guide for the practical engineer. It begins begin by describing phenomena such as bed load and suspension transport from a classical perspective. Concepts from turbulent flow regime are introduced to address the limitations of the classical approach to various aspects of sediment transport.

Intermittency in Turbulent Flows

Author : J. C. Vassilicos
Publisher : Cambridge University Press
Page : 292 pages
File Size : 42,6 Mb
Release : 2001
Category : Mathematics
ISBN : 0521792215

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Intermittency in Turbulent Flows by J. C. Vassilicos Pdf

This volume was the product of a workshop held at the Newton Institute in Cambridge, and examines turbulence, intermittency, nonlinear dynamics and fluid mechanics.

Gravel Bed Rivers 6

Author : H. Habersack,H. Piegay,M. Rinaldi
Publisher : Elsevier
Page : 836 pages
File Size : 42,7 Mb
Release : 2011-09-22
Category : Science
ISBN : 0080553591

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Gravel Bed Rivers 6 by H. Habersack,H. Piegay,M. Rinaldi Pdf

Based on the interdisciplinary approaches between earth science, engineering, physical geography, ecology and management, this text focuses on the theoretical questions, case-studies, challenges, and constraints taken from river restoration. It is illustrated with reports of new ground-breaking research covering spatial and temporal scales of physical processes in river catchments, coupling catchment and fluvial processes, grain dynamics and fluvial forms and on geo-ecology and restoration in mountain gravel-bed river environments. Each chapter includes discussions and comments providing experience and feedback from the fundamental research. This book covers scales of analysis for gravel-bed rivers, physics and modeling of processes at local and point scales, sediment delivery and storage, eco-geography and eco-hydraulics, and channel management and restoration. * Major topics in the field are presented by recognized scientific leaders * Chapters cover theories, practices, and methodologies in river management and restoration * Interdisciplinary approach includes case-studies on new, ground-breaking research

New Approaches in Modeling Multiphase Flows and Dispersion in Turbulence, Fractal Methods and Synthetic Turbulence

Author : F.C.G.A. Nicolleau,C. Cambon,J.-M. Redondo,J.C. Vassilicos,M. Reeks,A.F. Nowakowski
Publisher : Springer Science & Business Media
Page : 154 pages
File Size : 42,6 Mb
Release : 2011-10-29
Category : Technology & Engineering
ISBN : 940072506X

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New Approaches in Modeling Multiphase Flows and Dispersion in Turbulence, Fractal Methods and Synthetic Turbulence by F.C.G.A. Nicolleau,C. Cambon,J.-M. Redondo,J.C. Vassilicos,M. Reeks,A.F. Nowakowski Pdf

This book contains a collection of the main contributions from the first five workshops held by Ercoftac Special Interest Group on Synthetic Turbulence Models (SIG42. It is intended as an illustration of the sig’s activities and of the latest developments in the field. This volume investigates the use of Kinematic Simulation (KS) and other synthetic turbulence models for the particular application to environmental flows. This volume offers the best syntheses on the research status in KS, which is widely used in various domains, including Lagrangian aspects in turbulence mixing/stirring, particle dispersion/clustering, and last but not least, aeroacoustics. Flow realizations with complete spatial, and sometime spatio-temporal, dependency, are generated via superposition of random modes (mostly spatial, and sometime spatial and temporal, Fourier modes), with prescribed constraints such as: strict incompressibility (divergence-free velocity field at each point), high Reynolds energy spectrum. Recent improvements consisted in incorporating linear dynamics, for instance in rotating and/or stably-stratified flows, with possible easy generalization to MHD flows, and perhaps to plasmas. KS for channel flows have also been validated. However, the absence of "sweeping effects" in present conventional KS versions is identified as a major drawback in very different applications: inertial particle clustering as well as in aeroacoustics. Nevertheless, this issue was addressed in some reference papers, and merits to be revisited in the light of new studies in progress.

Business Planning for Turbulent Times

Author : Rafael Ramirez,John W. Selsky,Kees van der Heijden
Publisher : Taylor & Francis
Page : 336 pages
File Size : 46,9 Mb
Release : 2010-02-04
Category : Business & Economics
ISBN : 9781136544194

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Business Planning for Turbulent Times by Rafael Ramirez,John W. Selsky,Kees van der Heijden Pdf

The world is increasingly turbulent and complex, awash with disruptions, tipping points and knock-on effects exemplified by the implosion of financial markets and economies around the globe. This book is for business and organizational leaders who want and need to think through how best to deal with increasing turbulence, and with the complexity and uncertainty that come with it. The authors explain in clear language how future orientation and, specifically, modern scenario techniques help to address these conditions. They draw on examples from a wide variety of international settings and circumstances including large corporations, inter-governmental organizations, small firms and municipalities. Readers will be inspired to try out scenario approaches themselves to better address the turbulence that affects them and others with whom they work, live and do business. This second edition extends the use of scenarios planning and methods to tackle the risk and uncertainty of financial markets and the potentially massive impacts on businesses of all kinds, providing powerful tools to give far thinking executives an advantage in these turbulent times.

Turbulence

Author : O. M. Belotserkovskii,A. M. Oparin,V. M. Chechetkin
Publisher : Cambridge Int Science Publishing
Page : 294 pages
File Size : 51,9 Mb
Release : 2005
Category : Science
ISBN : 9781904602224

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Turbulence by O. M. Belotserkovskii,A. M. Oparin,V. M. Chechetkin Pdf

The authors present the results of numerical experiments carried out to examine the problem of development of turbulence and convection. On the basis of the results, they propose a physical model of the development of turbulence. Numerical algorithms and difference schema for carrying out numerical experiments in hydrodynamics, are proposed. Original algorithms, suitable for calculation of the development of the processes of turbulence and convection in different conditions, even on astrophysical objects, are presented. The results of numerical modelling of several important phenomena having both fundamental and applied importance are described.

Turbulence

Author : Uriel Frisch
Publisher : Cambridge University Press
Page : 314 pages
File Size : 54,5 Mb
Release : 1995-11-30
Category : Science
ISBN : 0521457130

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Turbulence by Uriel Frisch Pdf

This textbook presents a modern account of turbulence, one of the greatest challenges in physics. The state-of-the-art is put into historical perspective five centuries after the first studies of Leonardo and half a century after the first attempt by A.N. Kolmogorov to predict the properties of flow at very high Reynolds numbers. Such "fully developed turbulence" is ubiquitous in both cosmical and natural environments, in engineering applications and in everyday life. First, a qualitative introduction is given to bring out the need for a probabilistic description of what is in essence a deterministic system. Kolmogorov's 1941 theory is presented in a novel fashion with emphasis on symmetries (including scaling transformations) which are broken by the mechanisms producing the turbulence and restored by the chaotic character of the cascade to small scales. Considerable material is devoted to intermittency, the clumpiness of small-scale activity, which has led to the development of fractal and multifractal models. Such models, pioneered by B. Mandelbrot, have applications in numerous fields besides turbulence (diffusion limited aggregation, solid-earth geophysics, attractors of dynamical systems, etc). The final chapter contains an introduction to analytic theories of the sort pioneered by R. Kraichnan, to the modern theory of eddy transport and renormalization and to recent developments in the statistical theory of two-dimensional turbulence. The book concludes with a guide to further reading. The intended readership for the book ranges from first-year graduate students in mathematics, physics, astrophysics, geosciences and engineering, to professional scientists and engineers.

Keeping Peace in a Turbulent World

Author : Kawser Ahmed,Del H Khan
Publisher : Cambridge Scholars Publishing
Page : 568 pages
File Size : 45,8 Mb
Release : 2023-11-20
Category : Political Science
ISBN : 9781527551138

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Keeping Peace in a Turbulent World by Kawser Ahmed,Del H Khan Pdf

This book shares the experiences of Bangladeshi and other UN peacekeepers serving in some of the world's most challenging and remote regions. With a shared commitment to restoring global peace and safeguarding vulnerable communities affected by conflicts and disasters, these 33 peacekeeping stories capture courage, sacrifice, and unwavering dedication. The book brings to life the extraordinary journeys of these peacekeepers, offering readers an intimate glimpse into the realities they face on the frontlines. Complementing the personal accounts, former senior leaders of UN peacekeeping operations share their valuable insights and perspectives, shedding light on the complexities of maintaining peace in a turbulent world. It is a transformative work that caters to a diverse audience, ranging from students and academics seeking a deeper understanding of peacekeeping strategies to humanitarian professionals, military personnel, policymakers, and diplomats striving to enhance their knowledge of international cooperation. Moreover, NGO workers, peace advocates, and general readers interested in global issues will find this anthology an engaging and poignant exploration of human resilience and compassion.

Numerical Prediction of Flow, Heat Transfer, Turbulence and Combustion

Author : D. Brian Spalding
Publisher : Elsevier
Page : 440 pages
File Size : 48,9 Mb
Release : 2015-07-14
Category : Technology & Engineering
ISBN : 9781483160665

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Numerical Prediction of Flow, Heat Transfer, Turbulence and Combustion by D. Brian Spalding Pdf

Numerical Prediction of Flow, Heat Transfer, Turbulence and Combustion: Selected Works of Professor D. Brian Spalding focuses on the many contributions of Professor Spalding on thermodynamics. This compilation of his works is done to honor the professor on the occasion of his 60th birthday. Relatively, the works contained in this book are selected to highlight the genius of Professor Spalding in this field of interest. The book presents various research on combustion, heat transfer, turbulence, and flows. His thinking on separated flows paved the way for the multi-dimensional modeling of turbulence. Arguments on the universality of the models of turbulence and the problems that are associated with combustion engineering are clarified. The text notes the importance of combustion science as well as the problems associated with it. Mathematical computations are also presented in determining turbulent flows in different environments, including on curved pipes, curved ducts, and rotating ducts. These calculations are presented to further strengthen the claims of Professor Spalding in this discipline. The book is a great find for those who are interested in studying thermodynamics.

The Mathematical Theory of Turbulence

Author : M.M. Stanisic
Publisher : Springer Science & Business Media
Page : 518 pages
File Size : 54,6 Mb
Release : 2012-12-06
Category : Science
ISBN : 9781461238409

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The Mathematical Theory of Turbulence by M.M. Stanisic Pdf

"I do not think at all that I am able to present here any procedure of investiga tion that was not perceived long ago by all men of talent; and I do not promise at all that you can find here anything_ quite new of this kind. But I shall take pains to state in clear words the pules and ways of investigation which are followed by ahle men, who in most cases are not even conscious of foZlow ing them. Although I am free from illusion that I shall fully succeed even in doing this, I still hope that the little that is present here may please some people and have some application afterwards. " Bernard Bolzano (Wissenschaftslehre, 1929) The following book results from aseries of lectures on the mathematical theory of turbulence delivered by the author at the Purdue University School of Aeronautics and Astronautics during the past several years, and represents, in fact, a comprehensive account of the author's work with his graduate students in this field. It was my aim in writing this book to give to engineers and scientists a mathematical feeling for a subject, which because of its nonlinear character has resisted mathematical analysis for many years. On account vii i of its refractory nature this subject was categorized as one of seven "elementary catastrophes". The material presented here is designed for a first graduate course in turbulence. The complete course has been taught in one semester.

Prediction of Turbulent Flows

Author : Geoff Hewitt,Christos Vassilicos
Publisher : Cambridge University Press
Page : 366 pages
File Size : 50,5 Mb
Release : 2005-06-08
Category : Mathematics
ISBN : 0521838991

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Prediction of Turbulent Flows by Geoff Hewitt,Christos Vassilicos Pdf

By presenting current theory on flow prediction, this book addresses the needs of experienced practitioners and researchers in fluid dynamics.

Advanced Approaches in Turbulence

Author : Paul Durbin
Publisher : Elsevier
Page : 554 pages
File Size : 47,5 Mb
Release : 2021-07-24
Category : Technology & Engineering
ISBN : 9780128208908

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Advanced Approaches in Turbulence by Paul Durbin Pdf

Advanced Approaches in Turbulence: Theory, Modeling, Simulation and Data Analysis for Turbulent Flows focuses on the updated theory, simulation and data analysis of turbulence dealing mainly with turbulence modeling instead of the physics of turbulence. Beginning with the basics of turbulence, the book discusses closure modeling, direct simulation, large eddy simulation and hybrid simulation. The book also covers the entire spectrum of turbulence models for both single-phase and multi-phase flows, as well as turbulence in compressible flow. Turbulence modeling is very extensive and continuously updated with new achievements and improvements of the models. Modern advances in computer speed offer the potential for elaborate numerical analysis of turbulent fluid flow while advances in instrumentation are creating large amounts of data. This book covers these topics in great detail. Covers the fundamentals of turbulence updated with recent developments Focuses on hybrid methods such as DES and wall-modeled LES Gives an updated treatment of numerical simulation and data analysis