INFLUÊNCIA DA ALTURA E DISTÂNCIA DE BARREIRAS FÍSICAS NA DISTRIBUIÇÃO DE ÁGUA DE MICROASPERSORES
2009
Márcio Aurélio Lins dos Santos | Cícero Gomes dos Santos | José Antonio da Silva Madalena | Daniella Pereira dos Santos | Mírian Paula Medeiros André Pinheiro
The present research evaluated the physical barriers influence in the water distribution profiles of five microsprinkler of the mark DAN 2001, with the respective combinations of diameters and drains same to 0,84 mm and 20 L h-1, 1,10 mm and 35 L h-1, 1,33 mm and 55 L h-1, 1,48 mm and 70 L h-1 and 1,75 mm and 95 L h-1, with the objective of evaluating the behavior of your distribution profiles in function of the factors: height and distance of physical barriers. The water distribution profiles without barrier of the microsprinkler that use the two smaller diameters and the two smaller drains present, in general, an initial tendency of growth of the precipitations, followed for reduction and increase gradativo until reaching maximum value, decreasing until reaching the end again, where the reach ray of the microsprinkler corresponds to the last value above registered zero. The diameters and rains respectively same 1,33 mm and 55 L h-1, 1,48 mm and 70 L h-1 and 1,75 mm and 95 L h-1 had the water distribution profiles similar for all the heights and distances of the barriers, just differentiating the intensities of precipitations, and the reach rays of the microsprinkler. The water distribution profiles for all the mouthpieces and your respective rotors had values of precipitations same to zero for the physical barriers of different heights placed 1,0 m of distance, fact that due to the presence of barriers in the place of installation of a collector.
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