Turbulence: Mixing

Presentations

• An alternative to gradient diffusion models for material transport in Reynolds-averaged methods

  ORAL

  Nov. 22, 2021, 4:05 PM – Nov. 22, 2021, 4:18 PM

  Publication: Braun, N.O.; Gore, R. A. "A multispecies turbulence model for the mixing and de-mixing of miscible fluids." LA-UR-21-25311. Under Review.

  Presenters

  • Noah O Braun

    • Los Alamos National Laboratory

  Authors

  • Noah O Braun

    • Los Alamos National Laboratory

  • Rob A Gore

    • Los Alamos National Laboratory

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• Characterization of entrainment through turbulent diffusion in a self-similar jet

  ORAL

  Nov. 22, 2021, 4:18 PM – Nov. 22, 2021, 4:31 PM

  Publication: Basset T., Viggiano B., Barois T., Gibert M., Mordant N., Cal R. B., Volk R. and Bourgoin M. (2021). Characterisation of entrainment through turbulent diffusion in a self-similar jet. In preparation.

  Presenters

  • Thomas Basset

    • Laboratoire de Physique, École Normale Supérieure de Lyon

  Authors

  • Thomas Basset

    • Laboratoire de Physique, École Normale Supérieure de Lyon

  • Bianca Viggiano

    • Portland State University
    • Department of Mechanical and Materials Engineering, Portland State University

  • Thomas Barois

    • Laboratoire Ondes et Matière d'Aquitaine, Université de Bordeaux

  • Mathieu Gibert

    • Institut Néel, Université Grenoble Alpes

  • Nicolas Mordant

    • Laboratoire des Écoulements Géophysiques et Industriels, Université Grenoble Alpes
    • Université Grenoble Alpes, LEGI, UMR 5519 CNRS, F-38 000 Grenoble, France
    • Universite Grenoble Alpes

  • Raúl Bayoán B Cal

    • Portland State University
    • Department of Mechanical and Materials Engineering, Portland State University

  • Romain Volk

    • Laboratoire de Physique, École Normale Supérieure de Lyon

  • Mickaël Bourgoin

    • Ecole Normale Superieure de Lyon
    • Laboratoire de Physique, École Normale Supérieure de Lyon
    • ENS-Lyon

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• Self-similarity of scalar iso-surface area density in a temporal mixing layer

  ORAL

  Nov. 22, 2021, 4:31 PM – Nov. 22, 2021, 4:44 PM

  Presenters

  • Brandon Blakeley

    • University of Washington

  Authors

  • Brandon Blakeley

    • University of Washington

  • James J Riley

    • University of Washington

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• Differential diffusion of helium concentration and temperature in a turbulent jet

  ORAL

  Nov. 22, 2021, 4:44 PM – Nov. 22, 2021, 4:57 PM

  Presenters

  • Alais M Hewes

    • McGill University

  Authors

  • Alais M Hewes

    • McGill University

  • Christian Ivanov

    • McGill University

  • Laurent B Mydlarski

    • McGill University

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• Go with the flow: Lagrangian structures of a turbulent jet

  ORAL

  Nov. 22, 2021, 4:57 PM – Nov. 22, 2021, 5:10 PM

  Presenters

  • Willem Van De Water

    • Laboratory for Aero and Hydrodynamics, Delft University of Technology Mekelweg 2, 2628 CD Delft, The Netherlands

  Authors

  • Willem Van De Water

    • Laboratory for Aero and Hydrodynamics, Delft University of Technology Mekelweg 2, 2628 CD Delft, The Netherlands

  • Jesse Reytenbagh

    • Laboratory for Aero and Hydrodynamics, Delft University of Technology

  • Jerry Westerweel

    • Delft University of Technology
    • Laboratory for Aero and Hydrodynamics, Delft University of Technology

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• The physics of mixing and relaminarization characteristics of a co-axial jet with disparate viscosity

  ORAL

  Nov. 22, 2021, 5:10 PM – Nov. 22, 2021, 5:23 PM

  Presenters

  • Mustafa Usta

    • Georgia Institute of Technology

  Authors

  • Mustafa Usta

    • Georgia Institute of Technology

  • Michael Cameron Ahmad

    • Georgia Institute of Technology

  • Gokul Pathikonda

    • Arizona State University

  • Bo Zhang

    • Georgia Institute of Technology

  • Irfan Khan

    • Dow Chemical Co

  • Devesh Ranjan

    • Georgia Institute of Technology

  • Cyrus K Aidun

    • Georgia Institute of Technology

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• Nonuniform mixing

  ORAL

  Nov. 22, 2021, 5:23 PM – Nov. 22, 2021, 5:36 PM

  Publication: Jean-Luc Thiffeault, "Nonuniform mixing," Physical Review Fluids, in submission (2021).

  Presenters

  • Jean-Luc Thiffeault

    • University of Wisconsin - Madison

  Authors

  • Jean-Luc Thiffeault

    • University of Wisconsin - Madison

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• Self-consistent, high-order spatial profiles in a model for two-fluid turbulent mixing

  ORAL

  Nov. 22, 2021, 5:36 PM – Nov. 22, 2021, 5:49 PM

  Publication: B. E. Morgan, "Self-consistent, high-order spatial profiles in a model for two-fluid turbulent mixing," Phys. Rev. E 104, 015107 (2021).

  Presenters

  • Brandon E Morgan

    • Lawrence Livermore Natl Lab

  Authors

  • Brandon E Morgan

    • Lawrence Livermore Natl Lab

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• Ergodicity and invariant measures for a diffusing passive scalar advected by a random channel shear flow and the connection between the Kraichnan-Majda model and Taylor-Aris Dispersion

  ORAL

  Nov. 22, 2021, 5:49 PM – Nov. 22, 2021, 6:02 PM

  Publication: arXiv:2012.06610 "Ergodicity and invariant measures for a diffusing passive scalar advected by a random channel shear flow and the connection between the Kraichnan-Majda model and Taylor-Aris Dispersion", by L. Ding and R. M. McLaughlin, under review at Physica D.

  Presenters

  • Richard M McLaughlin

    • University of North Carolina at Chapel Hill
    • University of North Carolina at Chapel H

  Authors

  • Lingyun Ding

    • University of North Carolina at Chapel Hill

  • Robert Hunt

    • University of North Carolina at Chapel H
    • University of North Carolina at Chapel Hill

  • Richard M McLaughlin

    • University of North Carolina at Chapel Hill
    • University of North Carolina at Chapel H

  View abstract →

• Determinism for diffusing passive scalars advected by general unsteady random shear flows

  ORAL

  Nov. 22, 2021, 6:02 PM – Nov. 22, 2021, 6:15 PM

  Publication: arXiv:2012.06610 "Ergodicity and invariant measures for a diffusing passive scalar advected by a random channel shear flow and the connection between the Kraichnan-Majda model and Taylor-Aris Dispersion", by L. Ding and R. M. McLaughlin, under review at Physica D

  Presenters

  • Lingyun Ding

    • University of North Carolina at Chapel Hill

  Authors

  • Lingyun Ding

    • University of North Carolina at Chapel Hill

  • Richard M McLaughlin

    • University of North Carolina at Chapel Hill
    • University of North Carolina at Chapel H

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• The effect of the presence of inertial-convective and viscous-convective subranges on the statistics of a passive scalar in Homogeneous Isotropic Turbulence in air and water

  ORAL

  Nov. 22, 2021, 6:15 PM – Nov. 22, 2021, 6:28 PM

  Presenters

  • Kedar Prashant Shete

    • University of Massachusetts Amherst

  Authors

  • Kedar Prashant Shete

    • University of Massachusetts Amherst

  • David J Boucher

    • University of Massachusetts Amherst

  • James J Riley

    • University of Washington

  • Steve M de Bruyn Kops

    • University of Massachusets Amherst
    • University of Massachusetts Amherst

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• Investigation of intermittency in scalar mixing from concentrated sources by way of higher-order spectral moments

  ORAL

  Nov. 22, 2021, 6:28 PM – Nov. 22, 2021, 6:41 PM

  Presenters

  • Milind V Singh

    • McGill University

  Authors

  • Milind V Singh

    • McGill University

  • Emmanuel Germaine

    • McGill University

  • Luca Cortelezzi

    • Politecnico di Milano

  • Laurent B Mydlarski

    • McGill University

  View abstract →