Structure Of Turbulence And Drag Reduction

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Structure of Turbulence and Drag Reduction

Author : Albert Gyr
Publisher : Springer Science & Business Media
ISBN 13 : 3642509711
Total Pages : 617 pages
Book Rating : 4.6/5 (425 download)

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Book Synopsis Structure of Turbulence and Drag Reduction by : Albert Gyr

Download or read book Structure of Turbulence and Drag Reduction written by Albert Gyr and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 617 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1976 a similar titled IUTAM Symposium (Structure of Turbulence and Drag Reduction) was held in Washington . However, the progress made during the last thirteen years as weil as the much promising current research desired a second one this year. In Washington drag reduction by additives and by direct manipulation of the walls (compliant walls and heated surfaces) were discussed. In the meantime it became evident that drag reduction also occurs when turbulence is influenced by geometrical means, e.g. by influencing the pressure distribution by the shape of the body (airfoils) or by the introduction of streamwise perturbances on a body (riblets). In the recent years turbulence research has seen increasing attention being focused on the investigation of coherent structures, mainly in Newtonian fluids. We all know that these structures are a significant feature of turbulent flows, playing an important role in the energy balance in such flows. However their place in turbulence theories as weil as the factors influencing their development are still poorly understood. Consequently, the investigation of phenomena in which the properties of coherent structures are alte red provides a promising means of improving our understanding of turbulent flows in general.

Turbulence Structure and Modulation

Author : Alfredo Soldati
Publisher : Springer
ISBN 13 : 370912574X
Total Pages : 319 pages
Book Rating : 4.7/5 (91 download)

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Book Synopsis Turbulence Structure and Modulation by : Alfredo Soldati

Download or read book Turbulence Structure and Modulation written by Alfredo Soldati and published by Springer. This book was released on 2014-05-04 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: Controlling turbulence is an important issue for a number of technological applications. Several methods to modulate turbulence are currently being investigated. This book describes various aspects of turbulence structure and modulation, and explains and discusses the most promising techniques in detail.

Viscous Drag Reduction in Boundary Layers

Author :
Publisher : AIAA
ISBN 13 : 9781600863783
Total Pages : 542 pages
Book Rating : 4.8/5 (637 download)

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Book Synopsis Viscous Drag Reduction in Boundary Layers by :

Download or read book Viscous Drag Reduction in Boundary Layers written by and published by AIAA. This book was released on 1990 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Structure of Turbulence and Drag Reduction

Author : François N. Frenkiel
Publisher :
ISBN 13 :
Total Pages : 314 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Structure of Turbulence and Drag Reduction by : François N. Frenkiel

Download or read book Structure of Turbulence and Drag Reduction written by François N. Frenkiel and published by . This book was released on 1977 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Liutex and Its Applications in Turbulence Research

Author : Chaoqun Liu
Publisher : Academic Press
ISBN 13 : 0128190248
Total Pages : 460 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Liutex and Its Applications in Turbulence Research by : Chaoqun Liu

Download or read book Liutex and Its Applications in Turbulence Research written by Chaoqun Liu and published by Academic Press. This book was released on 2020-10-29 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt: Liutex and Its Applications in Turbulence Research reviews the history of vortex definition, provides an accurate mathematical definition of vortices, and explains their applications in flow transition, turbulent flow, flow control, and turbulent flow experiments. The book explains the term "Rortex" as a mathematically defined rigid rotation of fluids or vortex, which could help solve many longstanding problems in turbulence research. The accurate mathematical definition of the vortex is important in a range of industrial contexts, including aerospace, turbine machinery, combustion, and electronic cooling systems, so there are many areas of research that can benefit from the innovations described here. This book provides a thorough survey of the latest research in generalized and flow-thermal, unified, law-of-the-wall for wall-bounded turbulence. Important theory and methodologies used for developing these laws are described in detail, including: the classification of the conventional turbulent boundary layer concept based on proper velocity scaling; the methodology for identification of the scales of velocity, temperature, and length needed to establish the law; and the discovery, proof, and strict validations of the laws, with both Reynolds and Prandtl number independency properties using DNS data. The establishment of these statistical laws is important to modern fluid mechanics and heat transfer research, and greatly expands our understanding of wall-bounded turbulence. - Provides an accurate mathematical definition of vortices - Provides a thorough survey of the latest research in generalized and flow-thermal, unified, law-of-the-wall for wall-bounded turbulence - Explains the term "Rortex as a mathematically defined rigid rotation of fluids or vortex - Covers the statistical laws important to modern fluid mechanics and heat transfer research, and greatly expands our understanding of wall-bounded turbulence

Turbulence, Coherent Structures, Dynamical Systems and Symmetry

Author : Philip Holmes
Publisher : Cambridge University Press
ISBN 13 : 1107008255
Total Pages : 403 pages
Book Rating : 4.1/5 (7 download)

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Book Synopsis Turbulence, Coherent Structures, Dynamical Systems and Symmetry by : Philip Holmes

Download or read book Turbulence, Coherent Structures, Dynamical Systems and Symmetry written by Philip Holmes and published by Cambridge University Press. This book was released on 2012-02-23 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: Describes methods revealing the structures and dynamics of turbulence for engineering, physical science and mathematics researchers working in fluid dynamics.

Self-sustaining Mechanisms of Wall Turbulence

Author : Ronald Lee Panton
Publisher : Computational Mechanics
ISBN 13 :
Total Pages : 448 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Self-sustaining Mechanisms of Wall Turbulence by : Ronald Lee Panton

Download or read book Self-sustaining Mechanisms of Wall Turbulence written by Ronald Lee Panton and published by Computational Mechanics. This book was released on 1997 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: Why is wall turbulence self-sustaining? In this book well-regarded researchers not only discuss what they know and believe, but also speculate on ideas that still require numerical or experimental testing and verification. An initial brief history of boundary layer structure research is followed by chapters on experimental information and specific topics within the subject. There are then sections on computational aspects.

Control of Flow Instabilities and Unsteady Flows

Author : G.E.A. Meier
Publisher : Springer
ISBN 13 : 3709126886
Total Pages : 327 pages
Book Rating : 4.7/5 (91 download)

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Book Synopsis Control of Flow Instabilities and Unsteady Flows by : G.E.A. Meier

Download or read book Control of Flow Instabilities and Unsteady Flows written by G.E.A. Meier and published by Springer. This book was released on 2014-05-04 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contributes to one of the most important topics of Fluid Mechanics in future and presents recent research results on control theory and applied control methods. Understanding and handling of control methods of nonlinear systems, typical of Fluid Mechanics, is the key to reduce losses and to improve the efficiency and safety of technical processes.

Viscous Drag Reduction

Author : C. Sinclair Wells
Publisher : Springer
ISBN 13 : 1489955798
Total Pages : 497 pages
Book Rating : 4.4/5 (899 download)

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Book Synopsis Viscous Drag Reduction by : C. Sinclair Wells

Download or read book Viscous Drag Reduction written by C. Sinclair Wells and published by Springer. This book was released on 2013-12-20 with total page 497 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Turbulent Drag Reduction by Surfactant Additives

Author : Feng-Chen Li
Publisher : John Wiley & Sons
ISBN 13 : 1118181115
Total Pages : 233 pages
Book Rating : 4.1/5 (181 download)

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Book Synopsis Turbulent Drag Reduction by Surfactant Additives by : Feng-Chen Li

Download or read book Turbulent Drag Reduction by Surfactant Additives written by Feng-Chen Li and published by John Wiley & Sons. This book was released on 2012-01-10 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt: Turbulent drag reduction by additives has long been a hot research topic. This phenomenon is inherently associated with multifold expertise. Solutions of drag-reducing additives are usually viscoelastic fluids having complicated rheological properties. Exploring the characteristics of drag-reduced turbulent flows calls for uniquely designed experimental and numerical simulation techniques and elaborate theoretical considerations. Pertinently understanding the turbulent drag reduction mechanism necessities mastering the fundamentals of turbulence and establishing a proper relationship between turbulence and the rheological properties induced by additives. Promoting the applications of the drag reduction phenomenon requires the knowledge from different fields such as chemical engineering, mechanical engineering, municipal engineering, and so on. This book gives a thorough elucidation of the turbulence characteristics and rheological behaviors, theories, special techniques and application issues for drag-reducing flows by surfactant additives based on the state-of-the-art of scientific research results through the latest experimental studies, numerical simulations and theoretical analyses. Covers turbulent drag reduction, heat transfer reduction, complex rheology and the real-world applications of drag reduction Introduces advanced testing techniques, such as PIV, LDA, and their applications in current experiments, illustrated with multiple diagrams and equations Real-world examples of the topic’s increasingly important industrial applications enable readers to implement cost- and energy-saving measures Explains the tools before presenting the research results, to give readers coverage of the subject from both theoretical and experimental viewpoints Consolidates interdisciplinary information on turbulent drag reduction by additives Turbulent Drag Reduction by Surfactant Additives is geared for researchers, graduate students, and engineers in the fields of Fluid Mechanics, Mechanical Engineering, Turbulence, Chemical Engineering, Municipal Engineering. Researchers and practitioners involved in the fields of Flow Control, Chemistry, Computational Fluid Dynamics, Experimental Fluid Dynamics, and Rheology will also find this book to be a much-needed reference on the topic.

Turbulence

Author : Peter Davidson
Publisher : Oxford University Press, USA
ISBN 13 : 0198722591
Total Pages : 647 pages
Book Rating : 4.1/5 (987 download)

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Book Synopsis Turbulence by : Peter Davidson

Download or read book Turbulence written by Peter Davidson and published by Oxford University Press, USA. This book was released on 2015 with total page 647 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is an advanced textbook on the subject of turbulence, and is suitable for engineers, physical scientists and applied mathematicians. The aim of the book is to bridge the gap between the elementary accounts of turbulence found in undergraduate texts, and the more rigorous monographs on the subject. Throughout, the book combines the maximum of physical insight with the minimum of mathematical detail. Chapters 1 to 5 may be appropriate as background material for an advanced undergraduate or introductory postgraduate course on turbulence, while chapters 6 to 10 may be suitable as background material for an advanced postgraduate course on turbulence, or act as a reference source for professional researchers. This second edition covers a decade of advancement in the field, streamlining the original content while updating the sections where the subject has moved on. The expanded content includes large-scale dynamics, stratified & rotating turbulence, the increased power of direct numerical simulation, two-dimensional turbulence, Magnetohydrodynamics, and turbulence in the core of the Earth

Recent Developments in Turbulence Management

Author : K.-S. Choi
Publisher : Springer Science & Business Media
ISBN 13 : 9401135266
Total Pages : 344 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Recent Developments in Turbulence Management by : K.-S. Choi

Download or read book Recent Developments in Turbulence Management written by K.-S. Choi and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: The European Drag Reduction Meeting has been held on 15th and 16th November 1990 in London. This was the fifth of the annual European meetings on drag reduction in engineering flows. The main objective of this meeting was to discuss up-to-date results of drag reduction research carried out in Europe. The organiser has adopted the philosophy of discussing the yesterday's results rather than the last year's results. No written material has therefore been requested for the meeting. It was only after the meeting the submission of papers was requested to the participants, from which 16 papers were selected for this proceedings volume. The meeting has attracted a record number of participants with a total of 52 researchers from seven European countries, U. K. , France, Germany, the Netherlands, Italy, Switzerland and U. S. S. R. as well as from Japan, Canada and Australia. The subjects covered in this proceedings volume include riblets, LEBUs (Large Eddy Break-Up device), surface roughness, compliant surfaces and polymer additives. Riblets seem to be one of the most extensively studied devices in the past years. Reflecting this situation in the European community, there are six papers on riblets covering their practical applications to aircraft and to a model ship, near-wall coherent structure of the boundary layer and effects of flow three-dimensionality. Possibility of heat-transfer enhancement with riblets and potential use in the laminar flow are also investigated. An analytical model is developed for the boundary-layer with a LEBU device.

Biomimetics

Author : Bharat Bhushan
Publisher : Springer
ISBN 13 : 3319282840
Total Pages : 607 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Biomimetics by : Bharat Bhushan

Download or read book Biomimetics written by Bharat Bhushan and published by Springer. This book was released on 2016-02-19 with total page 607 pages. Available in PDF, EPUB and Kindle. Book excerpt: This revised, updated and expanded new edition presents an overview of biomimetics and biologically inspired structured surfaces. It deals with various examples of biomimetics which include surfaces with roughness-induced superomniphobicity, self-cleaning, antifouling, and controlled adhesion. The focus in the book is on the Lotus Effect, Salvinia Effect, Rose Petal Effect, Oleophobic/philic Surfaces, Shark Skin Effect, and Gecko Adhesion. This new edition also contains new chapters on the butterfly wing effect, bio- and inorganic fouling and structure and Properties of Nacre and structural coloration.

Homogeneous Turbulence Dynamics

Author : Pierre Sagaut
Publisher : Springer
ISBN 13 : 3319731629
Total Pages : 912 pages
Book Rating : 4.3/5 (197 download)

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Book Synopsis Homogeneous Turbulence Dynamics by : Pierre Sagaut

Download or read book Homogeneous Turbulence Dynamics written by Pierre Sagaut and published by Springer. This book was released on 2018-03-23 with total page 912 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides state-of-the-art results and theories in homogeneous turbulence, including anisotropy and compressibility effects with extension to quantum turbulence, magneto-hydodynamic turbulence and turbulence in non-newtonian fluids. Each chapter is devoted to a given type of interaction (strain, rotation, shear, etc.), and presents and compares experimental data, numerical results, analysis of the Reynolds stress budget equations and advanced multipoint spectral theories. The role of both linear and non-linear mechanisms is emphasized. The link between the statistical properties and the dynamics of coherent structures is also addressed. Despite its restriction to homogeneous turbulence, the book is of interest to all people working in turbulence, since the basic physical mechanisms which are present in all turbulent flows are explained. The reader will find a unified presentation of the results and a clear presentation of existing controversies. Special attention is given to bridge the results obtained in different research communities. Mathematical tools and advanced physical models are detailed in dedicated chapters.

Proceedings of the Vortex Workshop

Author : Yiqian Wang
Publisher : Springer Nature
ISBN 13 : 9819786088
Total Pages : 268 pages
Book Rating : 4.8/5 (197 download)

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Book Synopsis Proceedings of the Vortex Workshop by : Yiqian Wang

Download or read book Proceedings of the Vortex Workshop written by Yiqian Wang and published by Springer Nature. This book was released on with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Recent Developments in Turbulence Management

Author : Kwing-So Choi
Publisher : Springer Science & Business Media
ISBN 13 : 9780792314776
Total Pages : 368 pages
Book Rating : 4.3/5 (147 download)

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Book Synopsis Recent Developments in Turbulence Management by : Kwing-So Choi

Download or read book Recent Developments in Turbulence Management written by Kwing-So Choi and published by Springer Science & Business Media. This book was released on 1991 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: Including papers on riblets, this book covers their practical applications to aircraft and to a model ship, near-wall coherent structure of boundary layer and effects of flow three-dimensionality. This volume also includes LEBUs (Large Eddy Break-Up devices), surface roughness, compliant surfaces and polymer additives, and more.

Vorticity and Turbulence Effects in Fluid Structure Interaction

Author : Maurizio Brocchini
Publisher : WIT Press
ISBN 13 : 1845640527
Total Pages : 305 pages
Book Rating : 4.8/5 (456 download)

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Book Synopsis Vorticity and Turbulence Effects in Fluid Structure Interaction by : Maurizio Brocchini

Download or read book Vorticity and Turbulence Effects in Fluid Structure Interaction written by Maurizio Brocchini and published by WIT Press. This book was released on 2006 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains a collection of 11 research and review papers which have been contributed by each research unit joining the MIUR funded project: "Influence of vorticity and turbulence in interactions of water bodies with their boundary elements and effects on hydraulic design". The book features state-of-the-art Italian research devoted to the topic of fluid-structure interaction.