Características hidráulicas de gotejadores
Palavras-chave:
gotejador irriga, pressao constante, vazao constante, perda carga, microtubo comprimentoResumo
At the hidraulic laboratory of the Federal University of Viçosa, Viçosa, Minas Gerais, Brazil, a study was conducted of change in discharge due the manufacturing process of Dangotas, Irriga and Microtube types of drips and the equations of discharge — pressures and friction loss in this three types of drips were determined. It was found that for the Dangotas and Irriga types the discharge was not affected by the temperature of the water, but the Microtube type was affected.
Referências
GILAAD, Y.; KRYSTAL, L. & ZANKER, K. Hidraulic and mechanical properties of drippers. 1: PROCEEDINGS OF THE SECOND INTERNATIONAL
DRIP IRRIGATION CONGRESS, Riverside, 1974. p. 311-316.
HANSON, Grant Robert. Hydraulics of trickle irrigation emitter lines. Logan, Utah State University, 1973. 94 p. (Tese M.S.).
KARMELI, D. & KELLER, J. Trickle Irrigation Design. California, Rain Bird Sprinkler Mfg. Corp., 1975. 133 p.
KENWORTHY, AL. & KESNER, C. Trickle irrigation in Michigan orchards: controlling rate of flow regulating valves and microtubes. In: PROCEEDINGS OF THE SECOND INTERNATIONAL DRIP IRRIGATION CONGRESS, Riverside, 1974. p. 275-280.
OLIVEIRA, C.A.S. Hidráulica de gotejadores e de linhas laterais para irrigação por gotejamento. Viçosa, Universidade Federal de Viçosa 1978. 72 p. (Tese M.S.).
PARCHOMCHUCK, P. Temperature effects on emitter discharge rates. Transactions of the ASAE, 19(4):690-692, 1976.
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