Shu-Qing Yang

Near-Boundary Fluid Mechanics

• Broschiertes Buch

Produktbeschreibung

Near-Boundary Fluid Mechanics focuses on the near-boundary region and its significance. It delves into topics like boundary shear stress, drag reduction using polymer additives, turbulence sources, secondary currents, log-law validity, sediment transport, and more. Unlike similar books, it emphasizes the importance of the near-boundary region. This book is organized into chapters covering internal flows, external flows, loose boundary flows, and density currents. It extends Prandtl's fundamental concept to internal flows, showing how potential flow theory can describe flow without a solid boundary. In addition, the book provides a theoretical analysis of boundary shear stress in three-dimensional flows and explores the turbulent structures in drag-reduction flows. A key feature is clarifying the role of wall-normal velocity in mass, moment, and energy transfer. Additionally, Archimedes' principle is covered to explain pressure drag and establishes a relationship between wake volume and hydrodynamic force.

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Produktdetails

• Verlag: Elsevier Science
• Seitenzahl: 1154
• Erscheinungstermin: 2. März 2025
• Englisch
• ISBN-13: 9780443274046
• ISBN-10: 0443274045
• Artikelnr.: 70388497

Autorenporträt

Shu-Qing Yang obtained his PhD from Nanyang Technological University, Singapore, and is currently Associate Professor in the School of Civil, Mining and Environmental Engineering at the University of Wollongong, NSW, Australia. Prior to this appointment, he was Professor and Chair Professor in Korea Maritime University and South China University of Technology, respectively. His research interests include fluid mechanics, hydraulics, sediment transport, drag-reduction with polymer additives, and water resources engineering. He was a chief investigator for sedimentation problems in the Three Gorges Dam, one of the largest dams in the world. He also helped the initiation of coastal reservoirs in many countries including Shanghai, China-one of the megacities with severe water shortage caused by pollution.

Inhaltsangabe

1. Introduction and Governing Equations;
2. One-dimensional Internal Flow
3. Internal, Steady and Uniform 2-D Flows
4. Steady and Non-uniform Flows or Unsteady Flows
5. Mechanism of Energy Transport and Boundary Shear Stress Distribution in
3-D flows
6. Velocity, turbulent structures and friction factor in 3-D Flows
7. Time-averaged Navier-Stokes Equation and its event-averaged alternative
for shear flows
8. Boundary Layer Flow
9. Form drag and its co-existence with skin friction
10. Loose boundary fluid mechanics
11. Two-Phase fluid mechanics
12. Density Currents and Stratified Flow