Turbulence: Theory II

Presentations

• Spontaneous suppression of the inverse energy cascade and formation of vortex crystals in instability-driven two-dimensional turbulence

  ORAL

  Nov. 22, 2022, 8:00 AM – Nov. 22, 2022, 8:13 AM

  Publication: arXiv:2206.12355

  Presenters

  • Adrian van Kan

    University of California, Berkeley

  Authors

  • Adrian van Kan

    University of California, Berkeley

  • Benjamin Favier

    CNRS, IRPHE, Aix-Marseille Université, CNRS, Aix-Marseille Univ, Centrale Marseille, IRPHE, CNRS IRPHE UMR 7342

  • Keith A Julien

    University of Colorado Boulder

  • Edgar Knobloch

    University of California, Berkeley

  View abstract →

• Understanding non-universal scaling for the direct cascade in 2D flows

  ORAL

  Nov. 22, 2022, 8:13 AM – Nov. 22, 2022, 8:26 AM

  Presenters

  • Mateo A Reynoso

    Georgia Institute of Technology

  Authors

  • Mateo A Reynoso

    Georgia Institute of Technology

  • Roman O Grigoriev

    Georgia Institute of Technology

  View abstract →

• Instantons and the path to intermittency in turbulent flows

  ORAL

  Nov. 22, 2022, 8:26 AM – Nov. 22, 2022, 8:39 AM

  Publication: https://doi.org/10.1103/PhysRevLett.129.034502

  Presenters

  • André Fuchs

    University of Oldenburg

  Authors

  • André Fuchs

    University of Oldenburg

  • Corentin Herbert

    Univ. Lyon, Ens de Lyon, Univ Claude Bernard, CNRS, Laboratoire de Physique

  • Joran Rolland

    Univ. Lille, CNRS, ONERA, Arts et Métiers Institute of Technology, Centrale Lille, UMR 9014 - LMFL - Laboratoire de Mécanique des fluides de Lille - Kampé de Férie

  • Matthias Wächter

    ForWind, University of Oldenburg, Institute of Physics and ForWind, University of Oldenburg

  • Freddy Bouchet

    CNRS

  • Joachim Peinke

    University of Oldenburg

  View abstract →

• Worm's characteristics in 'classical' and 'non-equilibrium' turbulence

  ORAL

  Nov. 22, 2022, 8:39 AM – Nov. 22, 2022, 8:52 AM

  Publication: A. A. Ghira, G. E. Elsinga and C. B. da Silva, Characteristics of the intense vorticity structures in isotropic turbulence at high Reynolds numbers, Physical Review Fluids (under review)

  Presenters

  • Afonso Ghira

    LAETA, IDMEC, Instituto Superior Técnico, Universidade de Lisboa

  Authors

  • Afonso Ghira

    LAETA, IDMEC, Instituto Superior Técnico, Universidade de Lisboa

  • Gerrit E Elsinga

    Laboratory for Aero and Hydrodynamics, Department of Mechanical, Maritime and Materials Engineering, Delft University of Technology

  • Carlos B da Silva

    LAETA, IDMEC, Instituto Superior Técnico, Universidade de Lisboa

  View abstract →

• On turbulent/non-turbulent interfaces from equilibrium and non-equilibrium turbulence

  ORAL

  Nov. 22, 2022, 8:52 AM – Nov. 22, 2022, 9:05 AM

  Presenters

  • Marco Zecchetto

    instituto superior tecnico

  Authors

  • Marco Zecchetto

    instituto superior tecnico

  • Carlos B da Silva

    instituto superior tecnico, IDMEC/LAETA, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal

  View abstract →

• Mechanisms toward Kolmogorov's isotropy

  ORAL

  Nov. 22, 2022, 9:05 AM – Nov. 22, 2022, 9:18 AM

  Presenters

  • Chang Hsin Chen

    University of Connecticut

  Authors

  • Chang Hsin Chen

    University of Connecticut

  • Diego A Donzis

    Texas A&M University

  View abstract →

• Why is the Reynolds Stress Realizable, but Not Objective?

  ORAL

  Nov. 22, 2022, 9:18 AM – Nov. 22, 2022, 9:31 AM

  Presenters

  • Charles A Petty

    Michigan State University

  Authors

  • Charles A Petty

    Michigan State University

  View abstract →

• Influence of thermal non-equilibrium on the dynamics of velocity gradient in turbulent flows

  ORAL

  Nov. 22, 2022, 9:31 AM – Nov. 22, 2022, 9:44 AM

  Publication: Authors plan to submit a manuscript based on the extended version of this work to the Journal of Fluid Mechanics.

  Presenters

  • SHISHIR SRIVASTAVA

    Indian Institute of Technology Delhi, INDIA

  Authors

  • SHISHIR SRIVASTAVA

    Indian Institute of Technology Delhi, INDIA

  • Sawan S Sinha

    Indian Institute of Technology Delhi, INDIA, Indian Institute of Technology Delhi , INDIA

  View abstract →

• How accurate is Morkovin's hypothesis for supersonic wall-bounded turbulent flows?

  ORAL

  Nov. 22, 2022, 9:44 AM – Nov. 22, 2022, 9:57 AM

  Presenters

  • Asif Manzoor Hasan

    Delft University of Technology

  Authors

  • Asif Manzoor Hasan

    Delft University of Technology

  • Johan Larsson

    University of Maryland, College Park

  • Sergio Pirozzoli

    University of Rome La Sapienza

  • Rene Pecnik

    Delft University of Technology

  View abstract →

• Causally significant structures in isotropic turbulence at low Reynolds number

  ORAL

  Nov. 22, 2022, 9:57 AM – Nov. 22, 2022, 10:10 AM

  Presenters

  • Xinxian Zhang

    BeiHang University

  Authors

  • Xinxian Zhang

    BeiHang University

  • Javier Jimenez

    Universidad Politecnica de Madrid

  • Chong Pan

    Beihang University

  View abstract →

• Characterizing the energy cascade using the zero-crossings of the longitudinal velocity fluctuations

  ORAL

  Nov. 22, 2022, 10:10 AM – Nov. 22, 2022, 10:23 AM

  Presenters

  • Martin Obligado

    Grenoble Alpes University, Laboratoire des Écoulements Géophysiques et Industriels - Grenoble Alpes University

  Authors

  • Martin Obligado

    Grenoble Alpes University, Laboratoire des Écoulements Géophysiques et Industriels - Grenoble Alpes University

  • Amelie Ferran

    Universite Grenoble Alpes

  • Alberto Aliseda

    University of Washington, Department of Mechanical Engineering, University of Washington

  View abstract →

• Symmetry analysis of the turbulent dissipation rate

  ORAL

  Nov. 22, 2022, 10:23 AM – Nov. 22, 2022, 10:36 AM

  Publication: K. Chola and P. Chakraborty. 2021. Symmetry analysis of the turbulent dissipation rate. Physical Review Fluids, vol. 6, article L082602.

  Presenters

  • Kalale Chola

    Okinawa Institute of Science & Technology

  Authors

  • Kalale Chola

    Okinawa Institute of Science & Technology

  • Pinaki Chakraborty

    Okinawa Institute of Science & Technology

  View abstract →