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Books > Professional & Technical > Civil engineering, surveying & building
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Long-Throated Flumes and Broad-Crested Weirs (Paperback, Softcover reprint of the original 1st ed. 1985)
Loot Price: R2,889
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Long-Throated Flumes and Broad-Crested Weirs (Paperback, Softcover reprint of the original 1st ed. 1985)
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In the context of water management, structures that measure the
flow rate in open channels are used for a variety of purposes: (i)
In hydrology, they measure the discharge from catchments; (ii) In
irrigation, they measure and control the distribution of water at
canal bifurcations and at off-take structures; (iii) In sanitary
engineering, they measure the flow from urban areas and industries
into the drainage system; (iv) In both irrigation and drainage,
they can control the upstream water at a desired level. This thesis
represents an attempt to place such flow measurements on a solid
foundation by explaining the theory of water flow through
'long-throated flumes' and their hydraulically related
'broad-crested weirs'. On the basis of this theory, and on
practical experience, these structures are recommended for use
whenever the water surface in the channel at the measuring site can
remain free. The thesis concludes with a design procedure that will
facilitate the application of these structures. The idea to
undertake research on discharge measurement structures was born
upon my appointment as the first civil engineer with the
International Institute for Land Reclamation and Improvement
(ILRI). Because my recruiter, Ir. J.M. van Staveren, then Director
of ILRI, had left the Institute before my arrival, and because I
was the 'first of my kind' in an agricultural environment, I looked
for contact and found - vii- support from: the late Prof. Ir. J.
Nugteren, Prof. Ir.
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