Innovative Automatic Self-Compensating Gated Irrigation Pipes - El-Hagarey, Mohamed
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Gated irrigation pipes are an important tool for improving surface irrigation, it's development on depends on replacing the gates by designed self-compensating nozzle (poppet nozzle). The main objective of this study was to improve the distribution uniformity of water discharge along the gated pipe length, by developing a newly designed and locally manufactured self-compensating nozzles. Laboratory and Field experiments were conducted to validation the innovative nozzle of gated irrigation. The main results of this study showed the following: Under operating pressure head ranged between (3.3…mehr

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Produktbeschreibung
Gated irrigation pipes are an important tool for improving surface irrigation, it's development on depends on replacing the gates by designed self-compensating nozzle (poppet nozzle). The main objective of this study was to improve the distribution uniformity of water discharge along the gated pipe length, by developing a newly designed and locally manufactured self-compensating nozzles. Laboratory and Field experiments were conducted to validation the innovative nozzle of gated irrigation. The main results of this study showed the following: Under operating pressure head ranged between (3.3 to34 kPa), the mean discharge of poppet nozzle with disc diameters of 25, 27 and 29 mm were 0.63, 0.46 and 0.28 l/s, Mean water discharge for 25mm disc diameter was constant (0.81l/s). The mean discharge of poppet nozzles along the pipes with initial pressure head (0.5m, 1.0m and 1.5m) were 0.5, 0.56 and 0.64l/s, with mean coefficient of discharge (Cd) 0.77, 0.75 and 0.72 respectively, finally, Surface irrigation is saving water!, The surface irrigation efficiency is 90 %!, No more calibration of gated irrigation pipes!, Self-control, no external energy and pressure, flow and valve!.
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Autorenporträt
The author is working as a researcher on irrigation and drainage unite, soil conservation and water resources, desert Research center, Cairo, Egypt. And have a PhD at irrigation and drainage, 2010, having a many of international publications and 5 recorded patents related to irrigation sciences and he is a member of many scientific organization.