The spray solution content (chemicals and adjuvants) may have significant influence on the surface tension of the solution as well as on the droplet spectra generated by the nozzles. For that reason the aim of this work was to analyze the correlation between surface tension of the spray solution and the volume median diameter (VMD), percentage of droplets smaller than 100 �m (V100) and Relative Span (RS) generated by flat fan nozzles spraying different tank mixes containing chemicals and adjuvants. All data were collected on laboratory conditions. The results showed that the spray solution components had influence on the level of correlation between surface tension and the droplet spectra characteristics. Depending on the variations of the spray solutions components, such as surfactants or emulsions, the correlations were positive or negative for each one of the droplet spectra characteristics with different levels of significance.

Correlation between surface tension and droplet spectra generated by flat fan nozzles

248th National Meeting (2014)

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