The purpose of this Standard is to define a method for characterizing the uniformity of water distribution ofsprinkler packages installed on center pivots and lateral move irrigation machines. This test produces data tobe used in computing the coefficient of uniformity, which can assist in system design and/or selection, and canbe used to quantify certain aspects of system performance in the field. The coefficient of uniformity is only onefactor in evaluating total system performance. Application rates, runoff, wind, amount of water applied, pumpperformance, and overall system management can greatly affect the total performance of irrigation systems.
This Standard specifies a method for measuring water application depths in the field and calculating acoefficient of uniformity from the data. The Standard covers evaluation of water distribution from center pivotsand lateral move irrigation machines equipped with sprinklers or spray devices. The Standard does not apply tosystems in which the water application device is less than 1.5 m above the soil surface, or in which the waterdistribution from adjacent devices does not overlap.
- Published:
- 06/01/1996
- ANSI:
- ANSI Approved
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