Large-scale Control of Wall Turbulence
Jie Yao · Xi Chen
Hul 2025 · Elsevier
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In the presence of a solid wall, the flow and thus the turbulence is directly influenced. Reduction of wall turbulence is of great significance for energy saving and environmental protection. Numerous drag control strategies have been proposed and explored during recent decades, the vast majority of which concentrate on near-wall coherent structures, which can result in significant drag reductions at low Reynolds numbers. However, whether these drag control methods can continue to be effective at high Reynolds numbers remains unresolved. This question is crucial because the flow physics involved in drag reduction changes at high Reynolds numbers (because the contribution of large-scale structures to the skin friction grows with the Reynolds number). This book synthesizes and interprets research on large scale drag control. In particular it looks at the underlying physical mechanisms of the large-scale control, especially investigation of the coherent structures, and the statistical approach through the momentum flux as well as the energy flux.• Covers the latest advancements in flow control technologies, particularly large-scale control techniques. • Comprehensive coverage: explores a wide range of flow control techniques, including active and passive methods. • Interdisciplinary approach: takes an interdisciplinary approach that combines fluid mechanics, control theory, and computational methods. • Demonstrates practical strategies for implementing flow control techniques in real-world scenarios
Tungkol sa may-akda
Jie Yao obtained the B.S. from Nanjing University of Science and Technology in 2011 and an M.S. from the University of Houston in 2013 and a Ph.D. from the Texas Tech University in 2019. After that, he became a Postdoctoral Researcher at Texas Tech University in the USA. He is now a professor at Beijing Institute of Technology. Jie Yao's expertise is in turbulence, flow control, vortex dynamics, and high-performance computing. He has published 20 peer-reviewed articles in leading journals in fluid mechanics, including the Annual Review of Fluid Mechanics, Journal of Fluid Mechanics, Physical Review Fluids, and Physics of Fluids.Xi Chen obtained a B.S. and Ph.D from Peking University in 2006 and 2012, respectively. Afterwardshe worked as a Postdoctoral Researcher at Peking University, and as a research assistant professor at Texas Tech University. He is now a professor at Beijing University and Aeronautics and Astronautics (Beihang University). Xi Chen's expertise is in turbulence theory and modelling, flow control, vortex dynamics. He has published 40 peer-reviewed articles in leading journals of fluid mechanics: including the Journal of Fluid Mechanics, Physical Review Fluids, and Physics of Fluids.
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