Factors Influencing Conveyance Efficiency

by P. C. M. Reid, Dep of Water Affairs, Pretoria, South Africa,
D. C. R. Davidson, Dep of Water Affairs, Pretoria, South Africa,
M. Grift, Dep of Water Affairs, Pretoria, South Africa,



Document Type: Proceeding Paper

Part of: Irrigation Systems for the 21st Century

Abstract: Losses from a water distribution system are inadequately defined by reference to only the gross conveyance efficiency (Ec) of the system. The various unavoidable and avoidable losses that influence Ec have to be quantified before decisions pertaining to remedial action can be taken. In the paper the methods used to quantify the various losses are discussed. A case study is presented that illustrates the usefulness of the proposed method for increasing Ec.

Subject Headings: Water supply systems | Water conservation | Case studies | Remediation | Irrigation | Canals | Seepage | Flow distribution

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