Evaluation of Flat Fan Nozzles Operating Parameters Under Conditions of Accelerated Boundary and Destructive Wear

Stanisław Parafiniuk 1 , Marek Milanowski 1 , Anna Krawczuk 1 , Józef Sawa 2 , and Alaa Kamel Subr 3
  • 1 Department of Machinery Exploitation and Management of Production Processes, University of Life Sciences in Lublin
  • 2 East European State Higher School in Przemyśl,,
  • 3 Department of Agricultural Machines and Equipment, College of Agriculture, University of Baghdad, Baghdad, Iraq


Two tests were carried out to measure the standard flat fan nozzles wear during a specific period of an accelerated wear procedure. The first test aimed at getting 10% increase in the flow rate compared to the nominal flow rate, which is the threshold to replace the nozzles according to the nozzles testing standards. The second test was to wear the nozzles intensively (100 hours of accelerated wear), which represents the use of nozzles beyond the allowed threshold. The results showed that the flow rate reached 1.31 l·min−1 (equal to 10% increase) for the tested nozzles after 35 hours of the wear test. For the second test, the 10% increase of the flow rate was reached after approximately 30 hours. The wear rate reached 27.5% at the end of the test and this is 2.7 times more than the standardized threshold.

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