Water Distribution Uniformity for Turf Using a Simulation System Program
2024
el basha, shahenda | Elbagoury, khaled | Ahmed Bedir, Osama
The study examines factors affecting sprinkler irrigation system distribution uniformity, including sprinkler type, operating pressure and computer software design. The pressures used were 1.5, 2.1, and 2.5 bar for spray nozzles 4A and 17A, and 1.7, 2, 2.5, and 3 bar for rotor nozzles 1 and 3. The results showed a strong correlation, with (R2) values of 0.996 and 0.973, between SIDUL-Program (Sprinkler Irrigation Distribution Uniformity for Landscape–Program) and Excel program with respect to coefficient of uniformity (CU) and distribution uniformity (DU) respectively, suggesting a strong correlation between the two programs. The HEDIA program validated the SIDUL–Program, revealing a 0.42% difference in CU values between the two programs for rotor nozzle 3, indicating also a strong correlation (R2 = 0.953) between the two programs. The results showed that DU for spray 4A at a pressure of 2.1 bar was 7.4%, higher than DU at a pressure of 1.5 bar; the CU for spray 17A was 11.9% higher, as supported by manufacturer specifications. The study concluded that calculating CU and DU using the SIDUL–Program is critical for assessing sprinkler performance in irrigation systems since it considers factors such as soil type, irrigation 1methods and location; in addition to being easy to use and accurate com-pared to other programs.
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