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Books > Earth & environment > Earth sciences > The hydrosphere
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Practical Channel Hydraulics, 2nd edition - Roughness, Conveyance and Afflux (Paperback)
Loot Price: R1,633
Discovery Miles 16 330
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Practical Channel Hydraulics, 2nd edition - Roughness, Conveyance and Afflux (Paperback)
Expected to ship within 10 - 15 working days
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Practical Channel Hydraulics is a technical guide for estimating
flood water levels in rivers using the innovative software known as
the Conveyance and Afflux Estimation System (CES-AES). The stand
alone software is freely available at HR Wallingford's website
www.river-conveyance.net. The conveyance engine has also been
embedded within industry standard river modelling software such as
InfoWorks RS and Flood Modeller Pro. This 2nd Edition has been
greatly expanded through the addition of Chapters 6-8, which now
supply the background to the Shiono and Knight Method (SKM), upon
which the CES-AES is largely based. With the need to estimate river
levels more accurately, computational methods are now frequently
embedded in flood risk management procedures, as for example in ISO
18320 ('Determination of the stage-discharge relationship'), in
which both the SKM and CES feature. The CES-AES incorporates five
main components: A Roughness Adviser, A Conveyance Generator, an
Uncertainty Estimator, a Backwater Module and an Afflux Estimator.
The SKM provides an alternative approach, solving the governing
equation analytically or numerically using Excel, or with the short
FORTRAN program provided. Special attention is paid to calculating
the distributions of boundary shear stress distributions in
channels of different shape, and to appropriate formulations for
resistance and drag forces, including those on trees in
floodplains. Worked examples are given for flows in a wide range of
channel types (size, shape, cover, sinuosity), ranging from small
scale laboratory flumes (Q = 2.0 1s-1) to European rivers (~2,000
m3s-1), and large-scale world rivers (> 23,000 m3s-1), a ~ 107
range in discharge. Sites from rivers in the UK, France, China, New
Zealand and Ecuador are considered. Topics are introduced initially
at a simplified level, and get progressively more complex in later
chapters. This book is intended for post graduate level students
and practising engineers or hydrologists engaged in flood risk
management, as well as those who may simply just wish to learn more
about modelling flows in rivers.
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