Boundary Layers: Roughness Elements II
ORAL · H17 · ID: 22842
Presentations
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Prediction of an effective hydraulic length scale for surfaces with heterogeneous roughness
ORAL
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Presenters
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Michael Schultz
- US Naval Academy
Authors
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Michael Schultz
- US Naval Academy
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Nicholas Hutchins
- University of Melbourne
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DNS and LES of Flow Over Smooth and Rough Wavy Walls
ORAL
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Presenters
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Vedant Puri
- Julia Computing, Inc
Authors
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Vedant Puri
- Julia Computing, Inc
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Ramesh Balakrishnan
- Argonne National Laboratory
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Aleksandr Obabko
- Argonne National Laboratory, Chicago, Illinois, USA
- Argonnne National Laboratory
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Paul Fischer
- University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
- University of Illinois at Urbana-Champaign
- University of Illinois, Urbana Champaign
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Rough Wall Boundary Layer Development in Response to Changing Pressure Gradients
ORAL
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Presenters
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Ralph J Volino
- US Naval Academy
Authors
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Ralph J Volino
- US Naval Academy
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Cross-Stream Stereo PIV Measurements of Turbulent Boundary Layers Overlying Heterogeneous, Oblique Surface Roughness
ORAL
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Presenters
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Rongnan Yao
- University of Notre Dame
Authors
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Rongnan Yao
- University of Notre Dame
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Kenneth T Christensen
- Illinois Institute of Technology
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Flow-roughness heterogeneity: critical obliquity and salient parameters
ORAL
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Publication: W. Anderson, 2020: Turbulent channel flow over heterogeneous roughness at oblique angles. J. Fluid Mech. 886, A14-1---15
Y. Zheng and W. Anderson, 2021: Flow-roughness heterogeneity: critical obliquity and salient parameters. J. Fluid Mech. 913, A12-1---25Presenters
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Yiran Zheng
- University of Texas at Dallas
Authors
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Yiran Zheng
- University of Texas at Dallas
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Comparison of turbulent flow structures over rough permeable and impermeable sediment beds using Direct Numerical Simulation
ORAL
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Presenters
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Shashank Karra
- Oregon State University
Authors
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Shashank Karra
- Oregon State University
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Xiaoliang He
- Pacific Northwest National Laboratory, Richland, USA
- Pacific Northwest National Laboratory
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Timothy D Scheibe
- Pacific Northwest National Laboratory
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Sourabh V Apte
- Oregon State University
- Mechanical Engineering, Oregon State University, Corvallis, USA
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Effect of roughness texture on a transient accelerating channel flow
ORAL
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Presenters
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Sai Chaitanya Mangavelli
- Michigan State University
Authors
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Sai Chaitanya Mangavelli
- Michigan State University
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Junlin Yuan
- Michigan State University
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Giles J Brereton
- Michigan State University
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Efficient matrix-free linear analysis for large-scale $n$-periodic systems: Application to spanwise arrays of flow irregularities
ORAL
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Presenters
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Athanasios Margaritis
- Imperial College London
Authors
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Athanasios Margaritis
- Imperial College London
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Taraneh Sayadi
- Sorbonne University
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Olaf Marxen
- University of Surrey
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Peter J Schmid
- Imperial College London
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Direct numerical simulation of supersonic turbulent flows over rough walls
ORAL
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Presenters
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Srikanth Sathyanarayana
- Department of Mechanical and Aerospace Engineering, Sapienza University of Rome, Rome, Italy
Authors
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Srikanth Sathyanarayana
- Department of Mechanical and Aerospace Engineering, Sapienza University of Rome, Rome, Italy
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Davide Modesti
- Faculty of Aerospace Engineering, Delft University of Technology, HS Delft, The Netherlands
- Delft University of Technology
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Francesco Salvadore
- HPC Department, Cineca, Rome office, Rome, Italy
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Matteo Bernardini
- Department of Mechanical and Aerospace Engineering, Sapienza University of Rome, Rome, Italy
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A priori roughness function from texture-less simulations: the case of slip/no-slip textures
ORAL
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Presenters
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Ricardo García-Mayoral
- Univ of Cambridge
Authors
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Wenxiong Xie
- Univ of Cambridge
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Christopher Fairhall
- Univ of Cambridge
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Ricardo García-Mayoral
- Univ of Cambridge
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