2007
DOI: 10.1590/s0100-69162007000300003
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Ângulo de giro e espaçamento entre carreadores em sistemas autopropelidos de irrigação com o aspersor Plona-RL400

Abstract: RESUMO:Valores determinados em laboratório, de vazão, raio de alcance e do perfil radial de aplicação de água do aspersor canhão PLONA-RL400, foram utilizados em simulações digitais da uniformidade de aplicação de água desse aspersor operando, na ausência de ventos, com diferentes ângulos de giro e espaçamentos entre carreadores, em sistemas autopropelidos de irrigação. Os valores simulados de uniformidade de aplicação de água foram apresentados em três grupos distintos, cada um dos quais representando condiçõ… Show more

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“…The outcomes presented are suitable for any gun sprinkler which has a stationary radial curve near the uniform or rectangular shape. Prado et al (2007), testing a large gun sprinkler working with nozzle diameters from 34 to 44 mm, working pressure between 392 and 580 kPa, observed discharges from 84 to 168 m 3 h -1 and water curves with a doughnut shape in the aforementioned conditions. Therefore, studies regarding asymmetric wetted angles could be a possibility to improve the water distribution of gun sprinklers which have a water curve with an irregular shape.…”
Section: Resultsmentioning
confidence: 98%
“…The outcomes presented are suitable for any gun sprinkler which has a stationary radial curve near the uniform or rectangular shape. Prado et al (2007), testing a large gun sprinkler working with nozzle diameters from 34 to 44 mm, working pressure between 392 and 580 kPa, observed discharges from 84 to 168 m 3 h -1 and water curves with a doughnut shape in the aforementioned conditions. Therefore, studies regarding asymmetric wetted angles could be a possibility to improve the water distribution of gun sprinklers which have a water curve with an irregular shape.…”
Section: Resultsmentioning
confidence: 98%