Estimation of Water Losses and Efficiency of an Irrigation System
This study analyzes the technical and operational losses in an irrigation system, estimating potential water savings and discussing the efficiencies of canal subsections after rehabilitation. The conclusion highlights the impact on overall water consumption at the system level.
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Presentation Transcript
TASK # 1 ESTIMATION OF WATER LOSSES AND EFFICIENCY OF AN IRRIGATION SYSTEM Aleksandar Komatina
THE TECHNICAL LOSSES V V = Vdir Vdel U, m3 The operational losses Op Op = S = Vdel Vav, m3
Canal Section from node to node Measured values Estimated Vav 4 90 33 0 0 0 0 U 5 0 0 0 25 25 50 V 7 10 15 25 5 5 10 8 0,9 0,72 0,75 0,86 0,85 0,857 op 9 1 0,87 0,933 0,78 0,89 0,833 10 0,9 0,62 0,7 0,68 0,76 0,714 Vdir 3 100 53 100 37 33 70 S 6 0 5 5 7 3 10 1 M M D1 D2 2 1 2 2 4 Sum/Average* 2 6 4 5 Sum/Average* IS Sum/Average* 0,65 0,769 0,50 100 0 50 15 35
ESTIMATION OF POTENTIAL WATER SAVINGS ESTIMATION OF POTENTIAL WATER SAVINGS
LOSSES AND TECHNICAL EFFICIENCIES OF THE LOSSES AND TECHNICAL EFFICIENCIES OF THE CANAL SUBSECTIONS AFTER REHABILITATION CANAL SUBSECTIONS AFTER REHABILITATION ??? ???? ???= 53 44 = 9mil.m3 ??? = ???? ??? ???? ???? ??? ???? =53 44 ???? = = 0,169 = 17% ??? 53 RPWS= (0,75 0,62)/0,75= 17%
CONCLUSION If the PWS have to be estimated on the level of the entire IS, the value of RPWS will be different. The PWSfor the entire IS arePWS = 9. While calculating RPWS, we should take into account that the overall consumption of the entire IS decreases by 9 units, thus it becomes = 100 9 = 91. (or 9 % RPWS for entire IS)
