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Drop Size Distributions for Irrigation Sprinklers

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Transactions of the ASAE. 39(3): 839-845. (doi: 10.13031/2013.27568) @1996
Authors:   D. C. Kincaid, K. H. Solomon, J. C. Oliphant
Keywords:   Irrigation, Sprinklers, Drop size

A set of drop size distribution data is presented covering a wide range of sprinkler types including single nozzle impact sprinklers with straight bore and square nozzles, and sprayheads with various types of deflector plates. Drop sizes were measured by the laser-optical method and comparisons with other types of drop size measurement techniques are presented. Distributions are parameterized with an exponential function, and a method is provided to estimate the parameters given the sprinkler type, nozzle size, and pressure head.

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