Turbulence: Wall-Bounded Flows IV: Drag Reduction, Compliant Walls and Surface Roughness
ORAL · M04 · ID: 22783
Presentations
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A driving mechanism of near-wall turbulence subject to adverse pressure gradient
ORAL
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Presenters
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Yuxin Jiao
Authors
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Yuxin Jiao
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Yongyun Hwang
Imperial College London, Department of Aeronautics, Imperial College London, South Kensington, London SW7 2AZ
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Sergei Chernyshenko
Imperial College London
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Wall-bounded turbulent flow and equilibrium states in plane Couette flow under spanwise wall oscillation
ORAL
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Presenters
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Yacine Bengana
Department of Aeronautics, Imperial College London, South Kensington, London SW7 2AZ
Authors
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Yacine Bengana
Department of Aeronautics, Imperial College London, South Kensington, London SW7 2AZ
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Qiang Yang
State Key Laboratory of Aerodynamics, China Aerodynamics Research and Development Centre, Mianyang, 621000, PR China, State Key Laboratory of Aerodynamics, China Aerodynamics Research and Development Centre, Mianyang 621000, PR China
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Yongyun Hwang
Imperial College London, Department of Aeronautics, Imperial College London, South Kensington, London SW7 2AZ
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Visualization of instantaneous and filtered turbulent pipe flow data with and without drag reduction by spanwise wall oscillations at moderately high Reynolds number
ORAL
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Presenters
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Daniel J Coxe
Arizona State University
Authors
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Daniel J Coxe
Arizona State University
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Ronald J Adrian
Arizona State University
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Yulia T Peet
Arizona State University
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Direct Numerical Simulation of a Fluid-Structure Interaction in a Turbulent Channel over a Finite-thickness Hyper-elastic Wall at Re<sub>τ</sub>=180
ORAL
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Presenters
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Yiqin Xu
Authors
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Yiqin Xu
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Yulia T Peet
Arizona State University
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Wave-turbulence interactions in flow over compliant wall
ORAL
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Presenters
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Amir Esteghamatian
Johns Hopkins University
Authors
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Amir Esteghamatian
Johns Hopkins University
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Joseph Katz
Johns Hopkins University
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Tamer A Zaki
Johns Hopkins University
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Energy balance in lubricated drag-reduced turbulent channel flow
ORAL
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Publication: Roccon, A., Zonta, F., & Soldati, A. (2021). Energy balance in lubricated drag-reduced turbulent channel flow. Journal of Fluid Mechanics, 911.
Presenters
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Alessio Roccon
Vienna Univ of Technology
Authors
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Alessio Roccon
Vienna Univ of Technology
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Francesco Zonta
Vienna Univ of Technology, TU Wien
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Alfredo Soldati
Vienna Univ of Technology / University of Udine, Vienna Univ of Technology, TU Wien / University of Udine
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Direct Numerical Simulations of Bristled Shark Denticles in Turbulent Channel Flows
ORAL
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Presenters
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Devika J Patel
University of Mississippi
Authors
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Devika J Patel
University of Mississippi
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Wen Wu
University of Mississippi
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Onsager approach to wall bounded turbulence
ORAL
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Publication: Eyink, Gregory, Kumar, Samvit and Quan, Hao, "The Onsager Theory of<br>Wall-Bounded Turbulence and Taylor's Momentum Anomaly", Philosophical Transactions of the Royal Society A, 2021 (Accepted)
Presenters
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Samvit Kumar
Johns Hopkins University
Authors
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Samvit Kumar
Johns Hopkins University
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Hao Quan
Johns Hopkins University
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Gregory L Eyink
Johns Hopkins University
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Direct Numerical Simulations of rough wall-bounded turbulence over unsteady channel flow
ORAL
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Presenters
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Pratik Mitra
University of Texas at San Antonio
Authors
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Pratik Mitra
University of Texas at San Antonio
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Kiran Bhaganagar
University of Texas at San Antonio
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DNS of turbulent plane-Couette flow with surface roughness
ORAL
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Publication: S. K. Javanappa and V. D. Narasimhamurthy. Turbulent plane-Couette flow with a roughened wall (submitted to PRFluids)
Presenters
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Shashi Kumar Javanappa
Indian Institute of Technology Madras
Authors
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Shashi Kumar Javanappa
Indian Institute of Technology Madras
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Vagesh D. Narasimhamurthy
Indian Institute of Technology Madras
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