Abstract:Flat fan nozzles atomize crop protection products, breaking them into droplets. Droplet size matters -smaller droplets give better performance, but very small droplets drift. We want to use mathematical models to better understand how liquid properties affect droplet size. There are three types of breakup: wavy sheet, perforation, and rim. In wavy sheet breakup, we show that surface tension has little effect, but increasing viscosity leads to fewer droplets. Decreasing the jet velocity also results in fewer dr… Show more
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