In order to solve the problem of insufficient adsorption rate of droplets on the target back via aerial electrostatic spray,this study proposed a high-voltage electrostatic generator to charge the liquids in two isola...In order to solve the problem of insufficient adsorption rate of droplets on the target back via aerial electrostatic spray,this study proposed a high-voltage electrostatic generator to charge the liquids in two isolated water tanks with positive and negative charges respectively.A charge transfer loop was developed in space between the aerial electrostatic spray system and the ground.This method greatly enhanced the adsorption performance under outdoor conditions that 16.7%droplets density increased on the target front,a nearly fourfold destiny increased on the target back compared with the conventional UAV spray system.The target back-to-front ratio of droplet density was improved from 6.1%to 25.7%,which validated the satisfactory performance of the developed system.展开更多
基金This study was financially supported by the Shandong Province Introduced the Top Talents‘One Case One Discussion’Special Funded Project(2018.01-2021.12)the Central Government Guided Local Science and Technology Development Special Fund‘Precision Agricultural Aviation Technology and Equipment Research and Development’Funded Project(2017.1-2019.12)+1 种基金the Shandong Province Dry Farming Intelligent Agricultural Machinery Equipment Collaborative Innovation Center Funded Project(2017.7-2020.12)the Zibo Science and Technology Development Plan Funding Project(Grant No.2018kj010073).
文摘In order to solve the problem of insufficient adsorption rate of droplets on the target back via aerial electrostatic spray,this study proposed a high-voltage electrostatic generator to charge the liquids in two isolated water tanks with positive and negative charges respectively.A charge transfer loop was developed in space between the aerial electrostatic spray system and the ground.This method greatly enhanced the adsorption performance under outdoor conditions that 16.7%droplets density increased on the target front,a nearly fourfold destiny increased on the target back compared with the conventional UAV spray system.The target back-to-front ratio of droplet density was improved from 6.1%to 25.7%,which validated the satisfactory performance of the developed system.