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Performance, analysis and testing of a dual-acting controlled leak (DACL) irrigation canal offtake control : A thesis submitted in partial fulfillment of the requirements for the degree of Master of Applied Science in Lincoln University, New Zealand
(Lincoln University, 1990)
The Dual-Acting Controlled Leak (DACL) system is a mechanical-hydraulic control device developed for canal structures to control water level and flow rates. The system is powered by the head drop available and is therefore ...