Rapid Assessment of Sprinkler Performance

by R. Culver,
R. F. Sinker,

Serial Information: Journal of the Irrigation and Drainage Division, 1966, Vol. 92, Issue 1, Pg. 1-18

Document Type: Journal Paper


An automated testing station for rapidly assessing the performance of irrigation sprinklers is described. Data from the station is handled by a digital computer to give the performance of a particular head under the test conditions of wind velocity, operating pressure, stand height, jet size on any given layout. The value of this rapid assessment of head behavior is evaluated in terms of known parameters. The relationship between Christiansen's uniformity coefficient and the ratio of maximum-minimum precipitation as well as the coefficient of variation are evaluated for the first hundred tests passed through the station. Areas of further work are outlined and the value of the present data in the design of new overhead systems and the correction of existing inadequate systems are analyzed.

Subject Headings: Wind pressure | System analysis | Automation | Sprinkler irrigation | Head (fluid mechanics) | Wind forces | Wind speed | Dynamic pressure

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