This monograph provides a comprehensive state-of-the-art description of the work carried out in the UK and Japan on "Flow and Sediment Transport in Compound Channels". It therefore describes research which has been conducted, primarily over the last two decades, and which has yielded a fairly detailed picture of the important behaviours of compound channels and produced a number of engineering prediction methods which ought to be widely adopted in practice. The text will inevitably highlight areas where our knowledge is sparse and it will spur others on in the task of filling in such gaps.
The concept of bi-national groups of researchers meeting together intermittently over period of some years, though not new, has drawn both inspiration and experience and the interaction has produced tangible outcomes in the form of this useful publication.
Flood modelling is challenging to the hydraulic engineering community: the human, social and environmental impact of flooding rivers is considerable; while the flow complexity and related uncertainties makes it hard to model accurately. Significant progress has been made on this complex topic during the last two decades, with major contributions by research teams from Japan and UK. The present monograph on "Flow and Sediment Transport in Compound Channels" offers a state-of-the-art review based on this experience. The authors deserve acknowledgement, as their work will help new researchers approaching this fascinating problem, but also facilitate improved engineering approaches to inundations.
Dr. D. Bousmar
Coordinator of IAHR Working Group on Compound Channels
I.K. McEwan and S. Ikeda
1.2 Background to the Text
2. Flow Structure
D.W. Knight, S. Aya, S. Ikeda, I. Nezu and K. Shiono
2.2 Straight Compound Channels
2.3 Curvilinear Compound Channels
2.4 Meandering Compound Channels
2.5 Effect of Flow Structure on Resistance
2.6 Effects of Flow Structure on Conveyance Capacity
2.7 Concluding Remarks
3. Sediment Processes
E.M. Valentine, S. Ikeda, D.W. Knight, I.K. McEwan, W.R.C. Myers, G. Pender, T. Tsujimoto, B.B. Willetss and P.R. Wormleaton
3.2 Straight Channels with Fixed Planforms
3.3 Meandering Channels with Fixed Planforms
3.4 Free Planform Channels
3.5 Floodplain Processes
3.6 Conluding Remarks
4. Computer Simulation
Y. Kawahara, S. Fukuoka, S. Ikeda, G. Pender and Y. Shimizu
4.2 Flow Modelling
4.3 Turbulence Modelling
4.4 Example Applications: One Dimensional Modelling
4.5 Example Applications: Two Dimensional Modelling
4.6 Example Applications: Three Dimensional Modelling
4.7 Concluding Remarks
5. Design Considerations
S. Fukuoka, A. Watanabe and P.R. Wormleaton
5.1 Stage-Discharge Relationship and Discharge Storage
5.2 Flood Flows and Bed Variation in Meandering Channels
5.3 Effects of Sediment Supply on Bed topography
5.4 Bank Erosion in Compound Meandering Rivers
5.5 Effects of Main Channel Alignment on Local Scouring Depth Around Piers
5.6 Concluding Remarks
6. Conclusions and Recommendations
S. Ikeda and I.K. McEwan
6.1 Concluding Remarks
6.2 Future Work
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Aims & Scope
An important function of any large international organisation representing the research, educational and practical components of its wide and varied membership is to disseminate the best elements of its discipline through learned works, specialised research publications and timely reviews. IAHR is particularly well-served in this regard by its flagship journals and the extensive and wide body of substantive historical and reflective books that have been published through its auspices over the years. The IAHR Book Series is an initiative of IAHR, in partnership with CRC Press/Balkema-Taylor & Francis Group, aimed at presenting the state-of-the-art in themes relating to all areas of hydro-environment engineering and research.
The Book Series will assist researchers and professionals working in research and practice by bridging the knowledge gap and by improving knowledge transfer among groups involved in research, education and development. This Book Series includes Design Manuals and Monographs. The Design Manuals contain practical works, theory applied to practice based on multi-authors' work; the Monographs cover reference works, theoretical and state of the art works.
Peter A. Davies, Series Editor