Coherent Flow Structure in Open Channels

About this book

The first integrated treatment, across a wide range of spatial and temporal scales, of the origins and characteristics of coherent fluid motions and their influence on sediment transport and bed morphology.

Contents

List of Contributors. Acknowledgements. Coherent Flow Structures in Smooth-wall Turbulent Boundaary Layers: Facts, Mechnaisms and Speculations (C. Smith). Generalized Scaling of Coherent Bursting Structures in the Near-wall Region of Turbulent Flow over Smooth and Rough Boundaries (A. Grass and M. Mansour-Tehrani). Laboratory Observations of Particlr Entrainment into Suspension by Turbulent Bursting (M. Garcia, et al.). Transverse Spacing of Low-speed Streaks in a Channel Flow over a Rough Bed (A. Defina). A Model of an Impinging Jet on a Granular Bed, with Application to Turbulent, Event-driven Bedload Transport (A. Hogg, et al.). Ratio of Lift and Shear Forces Over Rough Surfaces (A. Dittrich, et al.). Scales of Turbulent Coherent Flow Structures in Gravel-bed Rivers (A. Roy, et al.). Markov Analysis of Velocity Fluctuations in Gravel-bed Rivers (R. Ferguson, et al.). The Application of Particle Image Velocimetry to the Study of Coherent Flow Structures over a Stabilizing Sediment Bed (S. Tait, et al.). Flow Sediment Interactions in Separating Flows over Befforms (S. McLean, et al.). The role of Coherent Structures in Developing Beforms During Sediment Transport (A. Gyr and A. M?ller). Geometrical Analysis of the Feedback Between Flow, Bedforms and Sediment Transport (A. M?ller and A. Gyr). Genesis Morphology of Erosional Shapes Associated with Turbulent Flow Over a Forward-facing Step (A. Pollard, et al.). Coherent Flow Structures in Open-channel SLot Flow (D. Keogh and P. Addison). Mean Flow and Turbulence Structure over Fixed Ripples and the Ripple-dube Transition (S. Bennett and J. Best). Turbulent Sand Suspension Events: Fraser River, Canada (R. Kostaschuk and P. Villard). Coherent Flow Structures in Squamish River Estuary, British Columbia, Canada (C. Babakaiff and E. Hickin). Observations of Near-bed Suspended Sediment Turbulence Structures using Multifrequency Acoustic Backscattering (P. Thorne, et al). Interaction Between Cellular Secondary Currents and Lateral Alternate Sorting (T. Tsujimoto and T. Kitamura). Coherent Fluctuations in a Vegetated Zone of Open-channel Flow: Causes of Bedload Lateral Transport and Sorting (T. Tsujimotto). The Structure of River Bed Relief (A. Sidorchuk). Some Speculations on the Relation Between Channel Morphology and Channel-scale Flow Structures (G. Parker). The Origin and Downstream Development of Coherent Flow Structures at Channel Junctions (S. McLelland, et al.). Mean Structure of Transport-effective Flows at an Asymmetrical Confluence when the Main Stream is Dominant (B. Rhoads). Secondary Flow and Channel Changes around a Bar in the Brahmaputra River, Bangladesh (W. Richardson, et al.). Morphology and Stage-dependent Flow Structure in a Gravel-bed River (N. Clifford). A Computer Model of Bank Erosion Based on Secondary Flow Simularion (A. Alabyan). Floodplain Secondary Circulation as a Mechanism for Flow and Shear Stress Redistribution in Straight Compound Channels (P. Wormleaton). Meandering Overbank Flow Structures (B. Willetts and P. Rameshwaran). Flow Structure in a Large-scale Model of a Doubly Meandeering Compound River Channel (C. Naish and R. Sellin). Linking Hydraulics, Bedload Transport and River Bed Adjustment with the Conceptual FAST Model (P. Ergenzinger and C. de Jong). On the Origin and Effects of Large-scale Longitudinal Flow Structures in the Outer Humber Estuary (J. Hardisty, et al.). Incoherent Structure: Turbulence as a Metaphor for Stream Braiding (C. Paola). Index.

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