Traveling Trickler Center Pivot Designby Abdul-Mannan Turjoman, King Faisal Univ, Saudi Arabia,
Otto J. Helweg, King Faisal Univ, Saudi Arabia,
Document Type: Proceeding Paper
Part of: Water Forum '86: World Water Issues in Evolution
Abstract: There have been a number of proposals to improve the center pivot irrigation system in order to overcome the inherent inefficiency from high evaporation losses and energy requirements. It is especially important for arid regions such as Saudi Arabia in which center pivot systems experience greater amounts of evaporation than other climates. The two most recent ones modify the low pressure drop pipes by dragging perforated pipe along rows to decrease the instantaneous application rates; however, these and all previous low pressure or drop systems are only for row crops. The traveling trickler system is specifically designed for grain crops and shows promise of being even more efficient than any center pivot modifications yet proposed. The system consists of a number of icro tubes (emitters) spaced twice the grain row distance that are hydraulically designed to apply a uniform amount of water directly to the soil.
Subject Headings: Pressure pipes | Trickle irrigation | Hydraulic design | Irrigation systems | Soil-pipe interaction | Crops | Systems engineering | Evaporation | Grain (material) | Middle East | Saudi Arabia
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