Modelling and Analysis of Fine Sediment Transport in Wave-Current Bottom Boundary Layer

Nonfiction, Science & Nature, Technology, Engineering, Environmental, Science, Biological Sciences, Environmental Science
Cover of the book Modelling and Analysis of Fine Sediment Transport in Wave-Current Bottom Boundary Layer by Liqin Zuo, CRC Press
View on Amazon View on AbeBooks View on Kobo View on B.Depository View on eBay View on Walmart
Author: Liqin Zuo ISBN: 9780429794025
Publisher: CRC Press Publication: June 19, 2018
Imprint: CRC Press Language: English
Author: Liqin Zuo
ISBN: 9780429794025
Publisher: CRC Press
Publication: June 19, 2018
Imprint: CRC Press
Language: English

The evolution and utilization of estuarine and coastal regions are greatly restricted by sediment problems. This thesis aims to better understand fine sediment transport under combined action of waves and currents, especially in the wave-current bottom boundary layer (BBL). Field observations, experimental data analysis, theoretical analysis and numerical models are employed. Silt-dominated sediments are sensitive to flow dynamics and the suspended sediment concentration (SSC) increase rapidly under strong flow dynamics. This research unveils several fundamental aspects of silty sediment, i.e., the criterion of the incipient motion, the SSC profiles and their phase-averaged parameterization in wave-dominated conditions. An expression for sediment incipient motion is proposed for silt-sand sediment under combined wave and current conditions. A process based intra-wave 1DV model for flow-sediment dynamics near the bed is developed in combined wave-current conditions. The high concentration layer (HCL) was simulated and sensitivity analysis was carried out by the 1DV model on factors that impact the SSC in the HCL. Finally, based on the 1DV model, the formulations of the mean SSC profile of silt-sand sediments in wave conditions were proposed. The developed approaches are expected to be applied in engineering practice and further simulation.

View on Amazon View on AbeBooks View on Kobo View on B.Depository View on eBay View on Walmart

The evolution and utilization of estuarine and coastal regions are greatly restricted by sediment problems. This thesis aims to better understand fine sediment transport under combined action of waves and currents, especially in the wave-current bottom boundary layer (BBL). Field observations, experimental data analysis, theoretical analysis and numerical models are employed. Silt-dominated sediments are sensitive to flow dynamics and the suspended sediment concentration (SSC) increase rapidly under strong flow dynamics. This research unveils several fundamental aspects of silty sediment, i.e., the criterion of the incipient motion, the SSC profiles and their phase-averaged parameterization in wave-dominated conditions. An expression for sediment incipient motion is proposed for silt-sand sediment under combined wave and current conditions. A process based intra-wave 1DV model for flow-sediment dynamics near the bed is developed in combined wave-current conditions. The high concentration layer (HCL) was simulated and sensitivity analysis was carried out by the 1DV model on factors that impact the SSC in the HCL. Finally, based on the 1DV model, the formulations of the mean SSC profile of silt-sand sediments in wave conditions were proposed. The developed approaches are expected to be applied in engineering practice and further simulation.

More books from CRC Press

Cover of the book Physics Of Creep And Creep-Resistant Alloys by Liqin Zuo
Cover of the book Construction Business Management by Liqin Zuo
Cover of the book Yeast Cell Envelopes Biochemistry Biophysics and Ultrastructure by Liqin Zuo
Cover of the book Cadmium in the Environment by Liqin Zuo
Cover of the book Diagnostic Lymph Node Pathology by Liqin Zuo
Cover of the book Biotechnology for the Treatment of Hazardous Waste by Liqin Zuo
Cover of the book Large-Scale Simulation by Liqin Zuo
Cover of the book Getting to Grips with BIM by Liqin Zuo
Cover of the book Superfluidity and Superconductivity by Liqin Zuo
Cover of the book Resources & Environment in Asia's Marine Sector by Liqin Zuo
Cover of the book Point Cloud Data Fusion for Enhancing 2D Urban Flood Modelling by Liqin Zuo
Cover of the book Oceanography and Marine Biology by Liqin Zuo
Cover of the book Environmental Sampling and Analysis by Liqin Zuo
Cover of the book Advances in Mobile Computing and Communications by Liqin Zuo
Cover of the book Global Soil Security: Towards More Science-Society Interfaces by Liqin Zuo
We use our own "cookies" and third party cookies to improve services and to see statistical information. By using this website, you agree to our Privacy Policy