Flow and Sediment Transport in Compound Channels : The Experience of Japanese and UK Research book cover
1st Edition

Flow and Sediment Transport in Compound Channels
The Experience of Japanese and UK Research

Edited By

S. Ikeda


I.K. McEwan

ISBN 9789810593636
Published July 1, 2009 by CRC Press
342 Pages

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Book Description

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.

Table of Contents

1. Introduction
I.K. McEwan and S. Ikeda
1.1 Introduction
1.2 Background to the Text

2. Flow Structure
D.W. Knight, S. Aya, S. Ikeda, I. Nezu and K. Shiono
2.1 Introduction
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
3.1 Introduction
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
4.1 Introduction
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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Ian McEwan is a civil engineer with 20 years experience of research in fluid
dynamics and sediment transport. He is a Reader in Engineering at Aberdeen
University and in 2006 was awarded the Silver Medal of the Royal Academy of
Engineering for his work on pipeline leakage.

Syunsuke Ikeda is a civil engineer more than 40 years experience of research
in river mechanics and environmental hydraulics. He is a professor in Civil
and Environmental Engineering at Tokyo Institute of Technology. He was
awarded the Karl Emil Hilgard Prize of American Society of Civil Engineers,
and is serving as an executive board member of Science Council of Japan.


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