Boundary Layers: Roughness Elements II

Presentations

• Effect of curved profiles on the drag response of riblet-textured surfaces in boundary layer flows: an experimental study

  ORAL

  Nov. 21, 2022, 4:10 PM – Nov. 21, 2022, 4:23 PM

  Presenters

  • Shuangjiu Fu

    Harvard University

  Authors

  • Shuangjiu Fu

    Harvard University

  • Shabnam Raayai

    Harvard University

  View abstract →

• Direct numerical simulations of turbulent boundary layers over calcareous biofouling

  ORAL

  Nov. 21, 2022, 4:23 PM – Nov. 21, 2022, 4:36 PM

  Presenters

  • Ioannis Kaminaris

    George Washington University

  Authors

  • Ioannis Kaminaris

    George Washington University

  • Elias Balaras

    George Washington University, George Washington Univ

  View abstract →

• Flow channeling on airfoils with rough leading edges

  ORAL

  Nov. 21, 2022, 4:36 PM – Nov. 21, 2022, 4:49 PM

  Publication: Kumar V, Piomelli U, Lehmkuhl O. 2021. Large-eddy simulations of the flow on an aerofoil with leading-edge imperfections. J Turbul. 22(11):735–60<br>Kumar V, Miro A, Lehmkuhl O, Piomelli U. 2022. Flow channeling on airfoils with rough leading edges. (planned)

  Presenters

  • Vishal Kumar

    Queen's University

  Authors

  • Vishal Kumar

    Queen's University

  • Arnau Miro

    Barcelona supercomputing center

  • Oriol Lehmkuhl

    Barcelona supercomputing center

  • Ugo Piomelli

    Queen's University

  View abstract →

• Experimental Investigation of interaction between the flow field and wall deformation in turbulent boundary layers over compliant surfaces

  ORAL

  Nov. 21, 2022, 4:49 PM – Nov. 21, 2022, 5:02 PM

  Presenters

  • Yuhui Lu

    Johns Hopkins University

  Authors

  • Yuhui Lu

    Johns Hopkins University

  • Joseph Katz

    Johns Hopkins University

  View abstract →

• Data driven prediction of roughness-sublayer mean velocity profiles

  ORAL

  Nov. 21, 2022, 5:02 PM – Nov. 21, 2022, 5:15 PM

  Presenters

  • Sai Chaitanya Mangavelli

    Michigan State University

  Authors

  • Sai Chaitanya Mangavelli

    Michigan State University

  • Junlin Yuan

    Michigan State University

  • Giles J Brereton

    Michigan State University

  View abstract →

• Commercial Sandpaper and Nikuradse Sandgrain Roughness: Similarities and Differences

  ORAL

  Nov. 21, 2022, 5:15 PM – Nov. 21, 2022, 5:28 PM

  Presenters

  • Michael Schultz

    US Naval Academy

  Authors

  • Michael Schultz

    US Naval Academy

  • Karen Flack

    US Naval Academy

  View abstract →

• Effect of Boundary Layer Thickness on the Estimation of Equivalent Sandgrain Roughness

  ORAL

  Nov. 21, 2022, 5:28 PM – Nov. 21, 2022, 5:41 PM

  Publication: Volino, R.J. and Schultz, M.P., 2022 "Effects of boundary layer thickness on the estimation of equivalent sandgrain roughness in zero pressure gradient boundary layers," accepted for Experiments in Fluids<br><br>

  Presenters

  • Ralph J Volino

    United States Naval Academy

  Authors

  • Ralph J Volino

    United States Naval Academy

  • Michael Schultz

    US Naval Academy

  View abstract →

• Reynolds number effects on turbulent flow over pyramid roughness with varied solidity

  ORAL

  Nov. 21, 2022, 5:41 PM – Nov. 21, 2022, 5:54 PM

  Presenters

  • Oleksandr Zhdanov

    University of Glasgow

  Authors

  • Oleksandr Zhdanov

    University of Glasgow

  • Angela Busse

    University of Glasgow

  View abstract →

• Turbulent channel flow response to elliptical high-roughness patches: a "virtual laboratory" for studying the evolution of large-scale motions

  ORAL

  Nov. 21, 2022, 5:54 PM – Nov. 21, 2022, 6:07 PM

  Presenters

  • Yiran Zheng

    University of Texas at Dallas

  Authors

  • William Anderson

    University of Texas at Dallas

  • Yiran Zheng

    University of Texas at Dallas

  View abstract →

• In search of a universal rough-wall model

  ORAL

  Nov. 21, 2022, 6:07 PM – Nov. 21, 2022, 6:20 PM

  Presenters

  • Wen Zhang

    Southern University of Science and Techn

  Authors

  • Wen Zhang

    Southern University of Science and Techn

  • Xiang F Yang

    Pennsylvania State University

  • Minping Wan

    Southern University of Science and Technology, Department of Mechanics and Aerospace Engineering, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China

  View abstract →

• On the Interaction of a Blasius Boundary Layer with a Roughness Element: A Comparison of Experiments and Simulations for Steady Flow

  ORAL

  Nov. 21, 2022, 6:20 PM – Nov. 21, 2022, 6:33 PM

  Presenters

  • Ian Sysyn

    University of San Diego

  Authors

  • Ian Sysyn

    University of San Diego

  • Jacob Ryan

    University of San Diego

  • Jonathan Lemarechal

    DLR – German Aerospace Center

  • Marco Costantini

    DLR – German Aerospace Center

  • Frank G Jacobitz

    University of San Diego

  View abstract →

• On the effect of filament inclination on the different regimes of canopy flows

  ORAL

  Nov. 21, 2022, 6:33 PM – Nov. 21, 2022, 6:46 PM

  Publication: On the effects of in-plane solidity on the different regimes in canopy flows JFM in preparation; On the effects of filaments inclination on canopy flows JFM in preparation

  Presenters

  • Alfredo Pinelli

    City University London

  Authors

  • Alfredo Pinelli

    City University London

  • Shane Nicholas

    City, University of London

  • Alessandro Monti

    Okinawa Institute of Science and Technology

  • Mohammad Omidyeganeh

    City, University of London

  • Marco E Rosti

    Okinawa Institute of Science and Technology Graduate University, Okinawa Institute of Science and Technology, Okinawa Institute of Science & Technology

  View abstract →