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Improving Baffle Sluice Gate Design Based on Hydraulic Sensitivity Concept of Structures

Accurate water measurement and delivery are basic issues in irrigation networks management and performance. Thus baffle modules have been considered as appropriate means for delivering almost constant discharge within a specific range of upstream water variation. The structure is meant for low discharge delivery and could be employed in farm irrigation. However, the design criteria still needs further improvements. In this paper, the hydraulic sensitivity concept was used to provide two design methods. The results of the first method concurred with that of currently available methods, but it facilitates the design process and provides the designer with comprehensive information concerning the module performance. While the second method improved the structure design and decreased the deviation of the discharge delivery for the given condition of upstream flow variations, notably.