Ecology and work quality of fan flat nozzles
2012
Koszel, Milan (University of Life Sciences in Lublin, Lublin (Poland). Faculty of Production Engineering, Department of Agricultural Equipment Exploitation and Management in Agricultural Engineering)
Working parameters of fan flat nozzles which affect drop tracks size were the subject of the study. New nozzles and nozzles after laboratory wear were tested. The influence of nozzles wear on drop tracks size were examined. It was found that increase in liquid flow rate results in higher values of mean diameter of drop track. Then increase in working pressure or working speed respectively cause decrease in drop tracks size and reduce merging of drops on spray surface. Increase in wear degree was followed by increased coverage rate. This phenomenon is especially dangerous when using nozzles with a considerable degree of wear for agricultural spray since it ecological threat to the environment. These results can be used in practice, because the conducted experiment explained that nozzle wear degree has influence on ecological characteristics of agricultural spray.
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