Design of Drip Irrigation System

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Components of Drip Irrigation SystemHead UnitPrime Mover (Motor/Engine)Water PumpG. I pipe fittingsBy pass valvesAir release valvesFiltersFlow meterNon-return valvesFertigation unitField UnitMain lineSub-main lineManifoldsLateral line with emittersValves (By pass, Flush andAir release)End PlugPressure gage1 bar = 10.2 m of water = 14.05 psi = 0.987 atms = 100 kPa = 1.02 kg/cm 2
Focus of Design• Apply water to meet peak crop water requirement• Maintain application and uniformity efficiencies at adesired level• Energy and water efficient system to keep initial capitaland operation cost as low as possible• Simple in operation and maintenance so that farmers canuse these systems without extensive training
Page 2 and 3: Drip Irrigation?Drip irrigation is
Page 6 and 7: Criteria for System Selection• Ec
Page 8 and 9: Command Area Information• A comma
Page 10 and 11: Selection of Type and Number of Emi
Page 12 and 13: Design of Mainline and Laterals The
Page 14 and 15: Hazen-Williams Equation (C=150)∆
Page 16 and 17: Frictional Head Losses (m/100 m) fo
Page 20 and 21: Frictional Head Losses (m/100m) for
Page 24 and 25: Frictional Head Loss (m/100 m) for
Page 26 and 27: Head Losses in Valves and Accessori
Page 28 and 29: Design of Prime MoverPower requirem
Page 30 and 31: ExampleDesign a drip irrigation sys
Page 32 and 33: Example (cont)• Divide the area i
Page 34 and 35: Irrigation Scheduling• Crop : Cit
Page 37 and 38: Energy/Head LossesHead loss in pipe

Design of Drip Irrigation System

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