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1. 1 Design Irrigation System II Asher Azenkot
2. 2 Local Head Losses
3. 3 Hydraulic Valve Local Head Loss
4. 4 Filter Local Head Loss
5. 5 Metzer drip line
6. 6 Local head loss in “head connector”
7. 7
8. 8 Example:
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10. 10 Continue:
11. 11 Lateral Pipes
12. 12 Coefficient F
13. 13 Characteristics of a Lateral pipe
14. 14 Fig. 1: Flow rate reduction in a plain pipe and in a lateral with sprinklers.
15. 15 Fig. 2: Head loss and percent of head loss
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18. 18
19. 19 Head loss Calculation Along lateral
20. 20 Fig. 3 - Naan 233
21. 21 Head loss in drip lateral pipe A modified Hazen-Williams head loss equation:
22. 22 Hydro P.C. & Hydro P.C.N.D - 1.2* L/H MAXIMUM RECOMMENDED DRIPLINE LENGTH (m) PIPE DIAMETER -16/13.8 (OD/ID)
23. 23 Number Of Mamkad spinklers
24. 24 Mamkad mini-sprinkler nozzles
25. 25 Example:
26. 26 Answer:
27. 27 Continue
28. 28 Continue:
29. 29 Continue:
30. 30 A Lateral Inlet Pressure
31. 31 A Lateral Inlet Pressure
32. 32
33. 33 Example:
34. 34 Inlet pressure in case of a Lateral pipe Laid out on a Slop
35. 35 Example:
36. 36 Cont.
37. 37 Cont.
38. 38 Continue:
39. 39 Maximum Permitted Head loss
40. 40 Distribution of water and pressure
41. 41 “The 20% rule”
42. 42 Pressure Vs. Flow
43. 43 O-tif Flow rate Vs. Pressure
44. 44 3/8" Rondo Nozzles - Flow rate Vs. Pressure
45. 45 Supertif - flow rate Vs. Pressure
46. 46 Ram & Agriplas Flow rate Vs Pressure
47. 47 Flow rate Vs Pressure
48. 48 Temperature Vs CV (tapes drip-line)
49. 49 Example:
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51. 51 TUFFTIF Dripper Flow Rate Table
52. 52 Tufftif performance chart
53. 53 Example for a micro sprinklers
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58. 58 Design an Irrigation System
59. 59 Lay out of drip line without pressure regulator
60. 60 Drip line inlet without pressure regulator
61. 61 Design an Irrigation System
62. 62 Inlet with pressure regulator
63. 63 Design an Irrigation System
64. 64 Example:
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74. 74 Example:
75. 75 Answer:
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88. 88 Design of a manifold pipe
89. 89 Example:
90. 90 Answer:
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100. 100 Distribution of water and pressure
101. 101 Distribution of water and pressure
102. 102 Designing of Irrigation System
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106. 106 Continue
107. 107 Combination of pipes The total head loss along 300 meters PVC (grade 6) pipe is 15 m, with a flow rate of 180 m3/h. Which size of pipes are required?
108. 108 Answer
109. 109 Cont.
110. 110 Example:
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112. 112 Pressure requirement
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116. 116
117. 117 Main pipes’ diagram for third day (Case 2)
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120. 120 Pressure diagram for case 1
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122. 122 Case 2
123. 123 Continue
124. 124 Case 2
125. 125 Continue
126. 126 Continue
127. 127 Case 2
128. 128 Pipe diagram for case 1 & 2
129. 129 Head loss in case 1
130. 130 Pressure diagram for case 1
131. 131 Head loss in case 2
132. 132 Pressure diagram for case 2
133. 133 Diagram for E – A’ case 2
134. 134 The pipe for E – A’ for case 1
135. 135 Continue
136. 136 The pipe for E – B’ for case 2
137. 137 The combination pipes for E – B’
138. 138 Diagram for E – A’ for case 2
139. 139 Section E-A’ case 1
140. 140 Continue
141. 141 Final Diagram for E – A’
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