HYDRAULIC PERFORMANCES OF VARIOUS DRIPPERS USED IN IRRIGATION SYSTEMS IN NORTH SINAI | ||||
| Misr Journal of Agricultural Engineering | ||||
| Article 11, Volume 31, Issue 2, April 2014, Page 523-536 PDF (1.07 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/mjae.2014.99611 | ||||
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| Authors | ||||
| M. T. Abd-Elsalam1; A. A. Elsebsy2; Y. I. Abdullah3; M. A. Rashad4 | ||||
| 1M.Sc. Student. Dept. of Soil & Water (Agric. Eng.), Fac. of Environ. Agric. Sci., Suez Canal University,Egypt. | ||||
| 2Professor Emeritus of Soil & Water, Soil & Water Dept., Fac. of Environ. Agric. Sci., Suez Canal University,Egypt. | ||||
| 3Lecturer of Agric. Eng., Soil & Water. Dept., Fac. of Environ. Agric. Sci., Suez Canal University,Egypt. | ||||
| 4Lecturer of Agric. Eng., Agric. Eng. Dept., Fac. of Agric., Suez Canal University,Egypt. | ||||
| Abstract | ||||
| The hydraulic performances of five commonly on-line emitters (Em1, Em2, Em3, Em4; Em5) were evaluated at the hydraulic laboratory of Agricultural Engineering Department, Agriculture Faculty, Suez Canal University, Ismailia, Egypt in October 2011. The test was under five operating pressure between 20 to 130 kPa. Em1, Em2, and Em3 were imported; the first type had pressure compensating flow, and the others with turbulent flow. While Em4, and Em5 types were locally manufactured with turbulent flow regime. Em5 is the most common in Sinai region because of its cheap price, although it had unacceptable coefficient of variation values. The measured or/ actual discharges for most emitter types were excess than the nominal discharge under 100 kPa operating pressure, by these percentages: 6.93, 0.0, 5.5, 165, and 640% for Em1, Em2, Em3, Em4, and Em5, respectively. | ||||
| Keywords | ||||
| Drip irrigation; Hydraulic performance; Manufacturer coefficient of variation; Emitter type | ||||
| References | ||||
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