1st Edition
Modelling and Analysis of Fine Sediment Transport in Wave-Current Bottom Boundary Layer
1 Introduction
1.1. Background
1.2. Behaviour of sediments with different grain sizes
1.3. Wave-current bottom boundary layer (BBL)
1.4. Numerical simulation for sediment transport under combined waves and currents
1.5. Key problems in sediment transport modelling
1.6. Objectives and research questions
1.7. Thesis organization
2 Sediment transport in silt-dominated coastal areas: field works and data analysis
2.1. Introduction
2.2. Field works and data analysis in northwestern Caofeidian sea area of Bohai bay
2.3. Collected field data in some silt-dominated coasts
2.4. Summary
3 Incipient motion of silt-sand under combined action of waves and currents
3.1. Introduction
3.2. Analysis of sediment incipient motion under waves and currents
3.3. Derivation
3.4. Verification and discussion
3.5. Conclusion and remarks
4 High sediment concentration layer of fine sediments: modelling by a 1DV model
4.1. Introduction
4.2. A 1DV model for flow-sediment movement in wave-current BBL
4.3. Model verification
4.4. Sensitivity analysis and discussion: factors that impact the sediment concentration profile of the HCL
4.5. Conclusion
5 The mean SSC of silty sediments under wave-dominated conditions
5.1. Introduction
5.2. Methods and Materials
5.3. Mean sediment concentration profile under different bed forms
5.4. Depth-averaged sediment concentration under waves
5.5. Conclusion
6 Conclusions and recommendations
6.1. Conclusions
6.2. Recommendations
Appendix A. Derivation of Reynolds equation for wave-current motions
Appendix B. Time varying functions of the eddy viscosity and the reference concentration
Appendix C. The formula for reference concentration
Appendix D. Description of the 1DV model
Appendix E. The procedures of depth-averaged SSC in Matlab script
Biography
Liqin Zuo was born in 1980 in Shandong Province, China. He studied Hydrology and Water Resource for his bachelor degree in Hohai University between 1999 and 2003, and subsequently studied Harbor, Coastal and Near-shore Engineering in Nanjing Hydraulic Research Institute (NHRI) from 2003 - 2006 for his postgraduate degree. Liqin has been working in NHRI since 2006, where he was promoted as senior engineer in 2014. He participated a joint research project of NWO-NSFC between the Netherlands and China, for which he started his PhD study in IHE Delft and TU Delft in the Netherlands 2014 - 2018, working on the topic of sediment alluvial process in wave-current bottom boundary layer.
