Boundary Layers: Multi-scale Roughness and Secondary Flows

Presentations

• Time-varying secondary flows in turbulent boundary layers over surfaces with spanwise heterogeneity

  ORAL

  Nov. 25, 2019, 8:00 AM – Nov. 25, 2019, 8:13 AM

  Authors

  • Dea Wangsawijaya

    • The University of Melbourne

  • Kevin Kevin

    • The University of Melbourne

  • Daniel Chung

    • Department of Mechanical Engineering, University of Melbourne, Victoria 3010, Australia
    • University of Melbourne
    • The University of Melbourne

  • Ivan Marusic

    • University of Melbourne
    • Department of Mechanical Engineering, University of Melbourne
    • Melbourne
    • Department of Mechanical Engineering, The University of Melbourne, Melbourne, Australia
    • The University of Melbourne

  • Nicholas Hutchins

    • University of Melbourne
    • Department of Mechanical Engineering, University of Melbourne
    • Department of Mechanical Engineering, The University of Melbourne, Melbourne, Australia
    • The University of Melbourne

  View abstract →

• Turbulent wall flows over spanwise-heterogeneous surfaces: non-periodic deviation from Reynolds-averaged flow patterns.

  ORAL

  Nov. 25, 2019, 8:13 AM – Nov. 25, 2019, 8:26 AM

  Authors

  • William Anderson

    • UT Dallas

  View abstract →

• Extending the restricted nonlinear model to flow over rough surfaces with spanwise heterogeneities

  ORAL

  Nov. 25, 2019, 8:26 AM – Nov. 25, 2019, 8:39 AM

  Authors

  • Xiaowei Zhu

    • Johns Hopkins University

  • Benjamin Minnick

    • Johns Hopkins University

  • Dennice Gayme

    • Johns Hopkins University

  View abstract →

• Effect of roughness texture on transient, accelerating~channel flows

  ORAL

  Nov. 25, 2019, 8:39 AM – Nov. 25, 2019, 8:52 AM

  Authors

  • Sai Chaitanya Mangavelli

    • Michigan State University

  • Junlin Yuan

    • Michigan State University
    • Department of Mechanical Engineering, Michigan State University, East Lansing, MI 48824
    • Assistant professor

  • Giles Brereton

    • Department of Mechanical Engineering, Michigan State University, East Lansing, MI 48824
    • Michigan State University
    • Professor

  View abstract →

• Secondary flow structure development in multi-scale rough wall turbulent boundary layer

  ORAL

  Nov. 25, 2019, 8:52 AM – Nov. 25, 2019, 9:05 AM

  Authors

  • Naseem Ali

    • Portland State University
    • Portland State University, Maseeh College Of Engineering,

  • Juliaan Bossuyt

    • Portland State University
    • Portland State University, Maseeh College Of Engineering,

  • Bianca Viggiano

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

  • Bharathram Ganapthisubramani

    • University of Southampton

  • Johan Meyers

    • KU Leuven

  • Raul Cal

    • Portland State University
    • Portland State University, Maseeh College Of Engineering,

  View abstract →

• Turbulent boundary layer development over a step change in multiscale roughness

  ORAL

  Nov. 25, 2019, 9:05 AM – Nov. 25, 2019, 9:18 AM

  Authors

  • John Lawson

    • University of Southampton

  • Bharathram Ganapathisubramani

    • University of Southampton

  View abstract →

• On the interaction of streamwise vortices with surface textures

  ORAL

  Nov. 25, 2019, 9:18 AM – Nov. 25, 2019, 9:31 AM

  Authors

  • Saikishan Suryanarayanan

    • The University of Texas at Austin

  • David Goldstein

    • The University of Texas at Austin

  • Garry Brown

    • Princeton University

  • Alexandre Berger

    • Texas A&M University

  • Edward White

    • Texas A\&M University
    • Texas A&M University

  View abstract →

• Measurements in turbulent boundary layers over designed anisotropic porous materials

  ORAL

  Nov. 25, 2019, 9:31 AM – Nov. 25, 2019, 9:44 AM

  Authors

  • Christoph Efstathiou

    • University of Southern California

  • Mitul Luhar

    • University of Southern California
    • USC

  View abstract →

• Cube-roughened surfaces at high and extreme packing densities

  ORAL

  Nov. 25, 2019, 9:44 AM – Nov. 25, 2019, 9:57 AM

  Authors

  • Haosen Xu

    • The Penn State University

  • Xiang Yang

    • Department of Mechanical and Nuclear Engineering, Pennsylvania State University
    • The Penn State University
    • Pennsylvania State University

  View abstract →

• Large-eddy simulation of turbulent flow within a regular array of cubes

  ORAL

  Nov. 25, 2019, 9:57 AM – Nov. 25, 2019, 10:10 AM

  Authors

  • Takenobu Michioka

    • Kindai University

  • Ryo Funaki

    • Kindai University

  • Takumi Kawai

    • Kindai University

  View abstract →

• Three-dimensional measurements of flow structure and turbulence around a pair of cubic roughness elements embedded in the inner part of a turbulent channel

  ORAL

  Nov. 25, 2019, 10:10 AM – Nov. 25, 2019, 10:23 AM

  Authors

  • Jian Gao

    • Johns Hopkins University

  • Joseph Katz

    • Johns Hopkins University
    • Department of Mechanical engineering, Johns Hopkins University
    • The Johns Hopkins University

  View abstract →

• Experimental flow characteristics over different area density roughness

  ORAL

  Nov. 25, 2019, 10:23 AM – Nov. 25, 2019, 10:36 AM

  Authors

  • KwonHo Park

    • Pusan National University

  • HeeChang Lim

    • Pusan National University

  View abstract →