Flow Instability: General II

Presentations

• Numerical investigation of stratified anabatic flows in idealized valleys

  ORAL

  Nov. 23, 2021, 8:00 AM – Nov. 23, 2021, 8:13 AM

  Presenters

  • Patrick Stofanak

    • University of Pittsburgh

  Authors

  • Patrick Stofanak

    • University of Pittsburgh

  • Cheng-nian Xiao

    • University of Pittsburgh

  • Inanc Senocak

    • University of Pittsburgh

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• Secondary Instabilities of Longitudinal Rolls in Anabatic Prandtl Slope Flows

  ORAL

  Nov. 23, 2021, 8:13 AM – Nov. 23, 2021, 8:26 AM

  Publication: Xiao, C. and Senocak, I. (2021) Speaker-wire vortices in stratified anabatic Prandtl Slope Flows and their instabilities

  Presenters

  • Cheng-Nian Xiao

    • University of Pittsburgh

  Authors

  • Cheng-Nian Xiao

    • University of Pittsburgh

  • Inanc Senocak

    • University of Pittsburgh

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• Transient linear stability of pulsating Poiseuille flow using optimally time-dependent modes

  ORAL

  Nov. 23, 2021, 8:26 AM – Nov. 23, 2021, 8:39 AM

  Publication: "Transient linear stability of pulsating Poiseuille flow using optimally time-dependent modes", manuscript submitted to the Journal of Fluid Mechanics.
  "Subharmonic eigenvalue traces in pulsating Poiseuille flow", manuscript in preparation for submission to the Journal of Fluid Mechanics.

  Presenters

  • Simon Kern

    • KTH Royal Institute of Technology

  Authors

  • Simon Kern

    • KTH Royal Institute of Technology

  • Miguel Beneitez

    • KTH Royal Institute of Technology; DAMTP, Centre for Mathematical Sciences

  • Ardeshir Hanifi

    • KTH Royal Institute of Technology

  • Dan S Henningson

    • KTH Royal Institute of Technology

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• Dynamical Collapse of Interacting Two-Dimensional Buoyant Plumes

  ORAL

  Nov. 23, 2021, 8:39 AM – Nov. 23, 2021, 8:52 AM

  Presenters

  • Omkar T Patil

    • University of Colorado, Boulder

  Authors

  • Omkar T Patil

    • University of Colorado, Boulder

  • Micheal A Meehan

    • University of Colorado, Boulder

  • Peter E Hamlington

    • University of Colorado, Boulder

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• Helical instability in pulsatile and oscillatory pipe flows

  ORAL

  Nov. 23, 2021, 8:52 AM – Nov. 23, 2021, 9:05 AM

  Publication: Xu, D., Varshney, A., Ma, X., Song, B., Riedl, M., Avila, M., and Hof, B., Nonlinear hydrodynamic instability and turbulence in pulsatile flow, Proc. Natl. Acad. Sci. U.S.A 117, 11233 (2020).

  Presenters

  • Atul Varshney

    • Institute of Science and Technology Aust

  Authors

  • Atul Varshney

    • Institute of Science and Technology Aust

  • Shoaib Kamil

    • Institute of Science and Technology Austria, 3400 Klosterneuburg, Austria

  • Bjoern Hof

    • Institute of Science and Technology Austria, 3400 Klosterneuburg, Austria
    • Institute of Science and Technology Austria

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• Sensitivity of merging and mixing to initial perturbations in Holmboe instabilities

  ORAL

  Nov. 23, 2021, 9:05 AM – Nov. 23, 2021, 9:18 AM

  Presenters

  • Adam Jiankang Yang

    • University of British Columbia

  Authors

  • Adam Jiankang Yang

    • University of British Columbia

  • Edmund Tedford

    • University of British Columbia

  • Jason Olsthoorn

    • University of British Columbia

  • Gregory A Lawrence

    • University of British Columbia

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• Longitudinal instability and turbulent transition observed in Taylor-Couette flow

  ORAL

  Nov. 23, 2021, 9:18 AM – Nov. 23, 2021, 9:31 AM

  Presenters

  • Michael Burin

    • California State University, San Marcos

  Authors

  • Michael Burin

    • California State University, San Marcos

  • Ashley Corey

    • California State University, San Marcos

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• Analysis of a Non-Equilibrium Vortex Pair as Aircraft Trailing Vortices

  ORAL

  Nov. 23, 2021, 9:31 AM – Nov. 23, 2021, 9:44 AM

  Presenters

  • Manuel Ayala

    • Johns Hopkins University

  Authors

  • Manuel Ayala

    • Johns Hopkins University

  • Robert L Ash

    • Old Dominion University

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• An Experimental Study on Vortex-Induced Vibrations of a Cylinder in Shear-Thinning Flow

  ORAL

  Nov. 23, 2021, 9:44 AM – Nov. 23, 2021, 9:57 AM

  Presenters

  • Pieter Boersma

    • University of Massachusetts Amherst

  Authors

  • Pieter Boersma

    • University of Massachusetts Amherst

  • Jonathan P Rothstein

    • University of Massachusetts Amherst

  • Yahya Modarres-Sadeghi

    • University of Massachusetts Amherst

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• Three-dimensional, short-wavelength instabilities in idealized models of aircraft wake vortices

  ORAL

  Nov. 23, 2021, 9:57 AM – Nov. 23, 2021, 10:10 AM

  Presenters

  • Achu Shankar

    • Department of Aerospace Engineering, Indian Institute of Technology Madras

  Authors

  • Achu Shankar

    • Department of Aerospace Engineering, Indian Institute of Technology Madras

  • Manikandan Mathur

    • Indian Institute of Technology Madras
    • Department of Aerospace Engineering & Geophysical Flows Laboratory, Indian Institute of Technology Madras

  • Bharath Govindarajan

    • Department of Aerospace Engineering, Indian Institute of Technology Madras

  View abstract →