Effect of wind speed and spacing on distribution uniformity of sprinkler irrigation system
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Date
2020-12
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Publisher
CCSHAU, Hisar
Abstract
An experiment was conducted to study the effect of wind speed (0-4 km/h, 4-8 km/h and 8-12
km/h), direction (North-West and North-East) and spacing (6 m × 6 m, 6 m × 9 m and 9 m × 12 m) on
uniformity distribution of sprinkler irrigation system at the field of the village Luhana located in Western
Haryana., India. For spacing 6 m × 6 m and wind speed range 0-4 km/h, the maximum distribution
uniformity was 86.33%. Similarly at ranges of wind speed 4-8 km/h and 9-12 km/h, the average
distribution uniformity was 82.88% and 81.42% respectively. For spacing 6 m × 9 m was used, the average
distribution uniformity was 75.42% at a range of wind speed 0-4 km/h. Similarly at ranges of wind speed 4-
8 km/h and 8-12 km/h, the average distribution uniformity was 75% and 74.16% respectively. For spacing
9 m × 12 m was used, the average distribution uniformity was 68.20% at a range of wind speed 0-4 km/h.
Similarly at ranges of wind speed 4-8 km/h and 8-12 km/h, the average distribution uniformity were
66.17% and 66.60% respectively. It shows that the combination of spacing 6 m × 6 m and wind speed 0-4
km/h gives a higher distribution uniformity. From this it is evident that for maintaining distribution
uniformity more than 75%, for wind speed 0-4 km/h sprinkler spacing should not be more than 6 m x 9 m
and for wind speed 4-8 km/h sprinkler spacing should not be more than 6 m x 6 m while for wind speed
range 8-12 km/h should be less than 6 m x 6 m.