<B>Irrigation uniformity for micro-sprinkler operating bellow of the working head in diff erent distances simulations

Abstract

The distribution uniformity evaluation of an irrigation system would have to be an essential element to the project and irrigation management. Some data of hydraulic characterization normally are supplied by manufacturers; however, generally, the number of information is very limited, diminishing the capacity of use of the equipment. What is normally found are recommendations of distances for determined service pressures. These recommendations are based in laboratory analysis, that is, with absence of winds. A previous evaluation of the sprinkler, to the fi eld, can determine other possibilities of use. The present work evaluated the uniformity and application potential effi ciency of a micro-sprinkler in three pressures of service below of the recommended ones for the manufacturer, for
diff erent distances, in intention to inquire the possibility
of use with lesser expense of energy. The results show that
some are viable alternatives tested.