Turbulence: Buoyancy-driven Flows, Stratification, Rotation and Magnetic Fields

Presentations

• Reynolds and Richardson Number Dependence of Near-Field Flow Behavior for Axisymmetric Buoyant Jets and Plumes

  ORAL

  Nov. 23, 2021, 2:40 PM – Nov. 23, 2021, 2:53 PM

  Publication: Michael A Meehan, Nicholas Wimer, and Peter E Hamlington. Reynolds number dependence in the near-field of buoyant plumes: global flow statistics. In preparation, 2021.

  Presenters

  • Michael Meehan

    University of Colorado, Boulder

  Authors

  • Michael Meehan

    University of Colorado, Boulder

  • Peter Hamlington

    University of Colorado, Boulder

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• Vortical structures in turbulent buoynat plumes

  ORAL

  Nov. 23, 2021, 2:53 PM – Nov. 23, 2021, 3:06 PM

  Publication: New Findings in Vorticity Dynamics of Turbulent Buoyant Plumes

  Presenters

  • Chang Hsin Chen

    University of Texas at San Antonio

  Authors

  • Chang Hsin Chen

    University of Texas at San Antonio

  • Kiran Bhaganagar

    University of Texas at San Antonio

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• Measures for Defining the Turbulent/non-Turbulent Interface of a Steady Round Plume: A DNS Study

  ORAL

  Nov. 23, 2021, 3:06 PM – Nov. 23, 2021, 3:19 PM

  Presenters

  • Jalil U Rehman

    Indian Institute of Technology Jammu, India

  Authors

  • Jalil U Rehman

    Indian Institute of Technology Jammu, India

  • Akshay Ravi

    Indian Institute of Technology Jammu, India

  • Samrat Rao

    Indian Institute of Technology Jammu, India

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• Mechanisms of Buoyancy-Modified Entrainment in Plumes: Theoretical Analysis

  ORAL

  Nov. 23, 2021, 3:19 PM – Nov. 23, 2021, 3:32 PM

  Presenters

  • Zeeshan Saeed

    University of New Hampshire

  Authors

  • Zeeshan Saeed

    University of New Hampshire

  • Elizabeth Weidner

    Univeristy of New Hampshire

  • Blair Johnson

    University of Texas at Austin, UT Austin

  • Tracy Mandel

    University of New Hampshire

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• Effect of Roughness on Entrainment of Turbulent Buoyant Flows

  ORAL

  Nov. 23, 2021, 3:32 PM – Nov. 23, 2021, 3:45 PM

  Presenters

  • Ishan Bhattarai

    University of Texas at San Antonio

  Authors

  • Ishan Bhattarai

    University of Texas at San Antonio

  • Kiran Bhaganagar

    University of Texas San Antonio

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• Buoyancy-Driven Homogeneous Turbulence Under Sharp Acceleration Changes

  ORAL

  Nov. 23, 2021, 3:45 PM – Nov. 23, 2021, 3:58 PM

  Publication: Denis Aslangil, Daniel Livescu, and Arindam Banerjee, "Buoyancy-driven homogeneous variable-density turbulence under variable acceleration profiles", under preparation.<br>Denis Aslangil, Daniel Livescu, and Arindam Banerjee, "Effects of Atwood and Reynolds numbers on the evolution of buoyancy-driven homogeneous variable-density turbulence", J. Fluid Mech. 895, A12 (2020).<br>Denis Aslangil, Daniel Livescu, and Arindam Banerjee, "Acceleration reversal effects on buoyancy-driven variable-density turbulence", Proceedings of 22nd Australasian Fluid Mechanics Conference AFMC2020, Brisbane, Australia, 7-10 December, Published by The University of Queensland, Editors H. Chanson and R. Brown, Paper 125, (DOI: 10.14264/a55b8c2) (ISBN 978-1-74272-341-9).

  Presenters

  • Denis Aslangil

    University of Alabama, Department of Aerospace Engineering and Mechanics, University of Alabama

  Authors

  • Denis Aslangil

    University of Alabama, Department of Aerospace Engineering and Mechanics, University of Alabama

  • Daniel Livescu

    Los Alamos Natl Lab, Los Alamos National Laboratory

  • Arindam Banerjee

    Lehigh University

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• Analysis of scale-dependent kinetic and potential energy in sheared, stably stratified turbulence

  ORAL

  Nov. 23, 2021, 3:58 PM – Nov. 23, 2021, 4:11 PM

  Presenters

  • Xiaolong Zhang

    Duke University

  Authors

  • Xiaolong Zhang

    Duke University

  • Rohit Dhariwal

    Duke University

  • Gavin D Portwood

    Los Alamos National Laboratory

  • Stephen de Bruyn Kops

    University of Massachusetts Amherst

  • Andrew D Bragg

    Duke University, Duke

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• Scaling of Turbulent Viscosity and Resistivity: Extracting a Scale-dependent Turbulent Magnetic Prandtl Number

  ORAL

  Nov. 23, 2021, 4:11 PM – Nov. 23, 2021, 4:24 PM

  Publication: X. Bian, J. Shang, E. Blackman, G. Collins, H. Aluie, Astrophysical Journal Letters, (in press)

  Presenters

  • Xin Bian

    University of Rochester

  Authors

  • Xin Bian

    University of Rochester

  • Jessica K Shang

    University of Rochester

  • Eric Blackman

    University of Rochester

  • Gilbert Collins

    University of Rochester

  • Hussein Aluie

    University of Rochester

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• Effect of plasmoid instability on energy spectra at high magnetic Reynolds number 3D-magnetohydrodynamic turbulence using large eddy simulation

  ORAL

  Nov. 23, 2021, 4:24 PM – Nov. 23, 2021, 4:37 PM

  Presenters

  • Kiran S Jadhav

    Indian Institute of Technology Bombay

  Authors

  • Kiran S Jadhav

    Indian Institute of Technology Bombay

  • Abhilash J Chandy

    Indian Inst of Tech-Bombay

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• Comparison between time-evolution of centroids and local-flux vectors flor localized initial conditions in wavenumber space

  ORAL

  Nov. 23, 2021, 4:37 PM – Nov. 23, 2021, 4:50 PM

  Presenters

  • Masanori TAKAOKA

    Doshisha University

  Authors

  • Masanori TAKAOKA

    Doshisha University

  • Naoto YOKOYAMA

    Tokyo Denki University, Tokyo Denki Univ

  • Eiichi SASAKI

    Akita University

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