Effect of Different Axial Fans Configurations on Airflow Rate
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The general objective of the research is to contribute to a fewer impacting methods for pest and disease management in tree crops, optimizing the air flows in relation to the canopy characteristics, and reducing the risks of drift. The aim of the work was to assess the airflow rate of different axial fan configurations in order to reduce energy consumption by assuring the adjustment of the right rate. Different configurations in terms of pitch angles and rotation speed of the blades as well as air outlet sections were taken into consideration. The tests were carried out at an Inspection Center for sprayers, Catania province (Italy) with a conventional sprayer machine. The methodology followed the ISO/FDIS 9898 International standard (1999) for the measurement of the flow rate at the suction side of the fan. A special frame was realised for measuring of air velocity at outlet side of the fan. In order to study the correlation between fan configuration and energy consumption a mechanical torque-meter and a speedometer were used. Preliminary results highlighted the performance of a fan used in sprayers for orchards and vineyard and tested to reducing energy consumption and environmental impact.
KeywordsSprayers Axial fan Airflow rate Energy consumption Environmental impact
The authors thank R. Papa for her contribution during the tests. The activity presented in the paper is part of the research project titled “Innovazioni attraverso applicazioni ICT nel settore delle costruzioni rurali, della pianificazione del territorio agro-forestale e della meccanizzazione della difesa fitosanitaria. WP1—Sviluppo di tecniche e di applicazioni anche informatiche per l’innovazione nel settore della meccanizzazione della difesa fitosanitaria.” Piano della Ricerca 2016-2018 of the University of Catania (Italy).
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