Fluid Mechanics and Its Applications

IUTAM Symposium on Simulation and Identification of Organized Structures in Flows

Proceedings of the IUTAM Symposium held in Lyngby, Denmark, 25–29 May 1997

Editors: Sørensen, J.N., Hopfinger, E.J., Aubry, N. (Eds.)

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About this book

The dynamics of transitional and turbulent flows is often dominated by organized structures with a life-time much longer than a characteristic time­ scale of the surrounding small-scale turbulence. Organized structures may appear as secondary flows as a result of an instability but they persist in turbulent flows. They manifest themselves as eddies or localized vortices and play an important role in e.g. mixing and transport processes. Al­ though the existence of organized structures has been revealed by many experiments and by numerical simulations they are somewhat elusive, as there is no consensus on how to define them and technically how to detect them. In recent years several identification tools for analysing complex flows have been developed. These tools include various versions of the Proper Orthog­ onal Decomposition (POD) technique, wavelet transforms, pattern recogni­ tion, etc. At the same time, improvements in experimental techniques have made available data that further necessitate efficient detection methods. A prominent example is the Particle Image Velocimetry (PIV) technique from which complex spatio-temporal flow data can be obtained. An interesting feature of some of the identification techniques is that they form the basis for reduced models by which dynamical processes can be studied in details. From studies of dissipative dynamical systems it has been revealed that, in phase space, transitional and turbulent flows can be identified by their low-dimensional behaviour. Thus, employing data from experiments or nu­ merical simulations to form modes residing on finite-dimensional attractors may dramatically reduce computing costs.

Reviews

`I have read this book with great interest and found that most papers provide something new, inspiring, and applicable in hydraulic research. In summary, this book is a valuable source of information that should stimulate new approaches and developments in hydraulic research, especially in studying the physics of hydraulic resistance, sediment transport, flow-biota interactions, and their modeling.'
Journal of Hydraulic Engineering (February 2001)

Table of contents (44 chapters)

  • Taming Near-Wall Streamwise Vortices: A Modus Operandi for Boundary Layer Control

    Kim, John

    Pages 3-14

  • Visualisation of Coherent Structures in Manipulated Turbulent Flow Over A Fence

    Orellano, Alexander (et al.)

    Pages 15-24

  • Experimental Study of Temporal and Spatial Structures in Fence-On-Wall Testcase

    Larsen, P. S. (et al.)

    Pages 25-37

  • Dynamics of the Structures of Near Wall Turbulence

    Jimenez, Javier (et al.)

    Pages 41-49

  • Three Dimensional Configuration of A Large-Scale Coherent Vortex in a Turbulent Boundary Layer

    Makita, H. (et al.)

    Pages 51-60

Buy this book

eBook $99.00
price for USA (gross)
  • ISBN 978-94-011-4601-2
  • Digitally watermarked, DRM-free
  • Included format: PDF
  • ebooks can be used on all reading devices
  • Immediate eBook download after purchase
Softcover $129.00
price for USA
  • ISBN 978-94-010-5944-2
  • Free shipping for individuals worldwide
  • Usually dispatched within 3 to 5 business days.
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Bibliographic Information

Bibliographic Information
Book Title
IUTAM Symposium on Simulation and Identification of Organized Structures in Flows
Book Subtitle
Proceedings of the IUTAM Symposium held in Lyngby, Denmark, 25–29 May 1997
Editors
  • J.N. Sørensen
  • E.J. Hopfinger
  • N. Aubry
Series Title
Fluid Mechanics and Its Applications
Series Volume
52
Copyright
1999
Publisher
Springer Netherlands
Copyright Holder
Springer Science+Business Media Dordrecht
eBook ISBN
978-94-011-4601-2
DOI
10.1007/978-94-011-4601-2
Softcover ISBN
978-94-010-5944-2
Series ISSN
0926-5112
Edition Number
1
Number of Pages
XIV, 522
Topics