PERFORMANCE EVALUATION OF SOLID-SET SPRINKLER IRRIGATION UNDER DIFFERENT PRESSURES AND NOZZLE DIAMETERS
Elmetwalli, A., Derbala, A., Darwisch, W. (2014). PERFORMANCE EVALUATION OF SOLID-SET SPRINKLER IRRIGATION UNDER DIFFERENT PRESSURES AND NOZZLE DIAMETERS. EKB Journal Management System, 31(1), 195-206. doi: 10.21608/mjae.2014.99977
Adel H. Elmetwalli; A. Derbala; Waleed Darwisch. "PERFORMANCE EVALUATION OF SOLID-SET SPRINKLER IRRIGATION UNDER DIFFERENT PRESSURES AND NOZZLE DIAMETERS". EKB Journal Management System, 31, 1, 2014, 195-206. doi: 10.21608/mjae.2014.99977
Elmetwalli, A., Derbala, A., Darwisch, W. (2014). 'PERFORMANCE EVALUATION OF SOLID-SET SPRINKLER IRRIGATION UNDER DIFFERENT PRESSURES AND NOZZLE DIAMETERS', EKB Journal Management System, 31(1), pp. 195-206. doi: 10.21608/mjae.2014.99977
Elmetwalli, A., Derbala, A., Darwisch, W. PERFORMANCE EVALUATION OF SOLID-SET SPRINKLER IRRIGATION UNDER DIFFERENT PRESSURES AND NOZZLE DIAMETERS. EKB Journal Management System, 2014; 31(1): 195-206. doi: 10.21608/mjae.2014.99977

PERFORMANCE EVALUATION OF SOLID-SET SPRINKLER IRRIGATION UNDER DIFFERENT PRESSURES AND NOZZLE DIAMETERS

Misr Journal of Agricultural Engineering
Article 10, Volume 31, Issue 1, January 2014, Page 195-206  XML PDF (907.21 K)
Document Type: Original Article
DOI: 10.21608/mjae.2014.99977
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Authors
Adel H. Elmetwalli1; A. Derbala2; Waleed Darwisch3
1Assi. Prof., Agric. Eng. Dept., Fac., of Agric., Tanta Univ., Egypt.
2Assoc.رProf., Agric. Eng. Dept., Fac., of Agric., Tanta Univ., Egypt.
3Assi., Prof., Agric. Eng., at Environmental Study and Research Institute, Sadat City Univ., Egypt.
Abstract
Low irrigation efficiency and limited fresh water resources become serious issues worldwide particularly in arid and semi-arid regions. Rapidly deep percolation of water especially in light-textured soils needs efficient irrigation systems for water application. The overall irrigation efficiency can be increased through choosing the optimum operating conditions. This study investigated the effects of both operating pressure and nozzle diameter on the performance of the solid set sprinkler irrigation system. Three levels of operating pressure of (160, 180 and 200 kPa) and three different nozzle diameter of 3.0, 4.2, and 5.2 mm were used. The distribution efficiency of water was evaluated through the calculation of Christiansen’s uniformity coefficient (CU), distribution uniformity, application uniformity and precipitation rate. The results demonstrated that 180 kPa operating pressure produced the highest distribution uniformity, coefficient of uniformity and application uniformity.
Keywords
solid set; sprinkler; irrigation; distribution; application; uniformity; pressure; nozzle
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