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

  • F.C.G.A. Nicolleau
  • C. Cambon
  • J.-M. Redondo
  • J.C. Vassilicos
  • M. Reeks
  • A.F. Nowakowski

Part of the ERCOFTAC Series book series (ERCO, volume 18)

About this book

Introduction

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.

Keywords

atmospheric flows fractal fluids isotropic turbulence lagrangian dispersion multiphase flows super fluids synthetic turbulence models

Editors and affiliations

  • F.C.G.A. Nicolleau
    • 1
  • C. Cambon
    • 2
  • J.-M. Redondo
    • 3
  • J.C. Vassilicos
    • 4
  • M. Reeks
    • 5
  • A.F. Nowakowski
    • 6
  1. 1.Sheffield Fluid Mechanics Group, Mechanical EngineeringUniversity of SheffieldSheffieldUnited Kingdom
  2. 2.LMFA UMR CNRS 5509Ecole Centrale de LyonEcully CEDEXFrance
  3. 3.UPC, Fisica AplicadaUniversidad Politecnica de CatalunyaBarcelonaSpain
  4. 4.Department of AeronauticsImperial CollegeLondonUnited Kingdom
  5. 5.School Mechanical & Systems EngineeringThe University of NewcastleNewcastleUnited Kingdom
  6. 6.Sheffield Fluid Mechanics Group, Mechanical EngineeringUniversity of SheffieldSheffieldUnited Kingdom

Bibliographic information

  • DOI https://doi.org/10.1007/978-94-007-2506-5
  • Copyright Information Springer Science+Business Media B.V. 2012
  • Publisher Name Springer, Dordrecht
  • eBook Packages Engineering
  • Print ISBN 978-94-007-2505-8
  • Online ISBN 978-94-007-2506-5
  • Series Print ISSN 1382-4309
  • Buy this book on publisher's site
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