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Droplets spectrum of air-assisted boom sprayers under different environmental and operational conditions AGRIAMBI
Sasaki,Robson S.; Teixeira,Mauri M.; Fernandes,Haroldo C.; Zolnier,Sérgio; Maciel,Christiam F. S.; Alvarenga,Cleyton B. de.
ABSTRACT During pesticide spraying, the psychrometric conditions of the air may cause evaporation of the droplets along their trajectory from the nozzle to the target. Thus, this study aimed to evaluate the effect of air psychrometric conditions and operating pressure on the droplet spectrum of air-assisted boom sprayers. The test was performed using a prototype equipped with an axial fan, a flow homogenizer, temperature and relative air humidity sensors, a spray nozzle and a gas-heating system to warm up the airflow. With the assembled system and the aid of a particle analyser, the JSF 11002 spray nozzle was evaluated with respect to droplet spectrum in four air psychrometric conditions (7, 14, 21 and 28 hPa) and at four operating pressures (200, 300, 400...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Evaporation; Spraying; Pesticides.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662016000100092
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