The authors earnestly present a novel charging device designed for an aircraft-type unmanned aerial vehicle (UAV). This innovative system includes two monoelectret blocks, one with a positive charge and the other with a negative charge, strategically installed in the UAV's wing. The setup also comprises a threshold device, supercapacitor with control unit, and electrically insulated skin sheets on the UAV wing's console and surface. As the UAV flies, it encounters aerodynamic drag influenced by factors such as flight speed and air density. This interaction generates static charges through triboelectric effects—primarily at the wing edges—resulting in significant electrostatic potential. The design ingeniously harnesses this potential: electrons knocked from air molecules accumulate on structural elements like wing consoles. However, when managed effectively by this system, they recharge the supercapacitor. This process extends flight duration and range by periodically boosting battery levels. Moreover, during flight-induced frictional interactions between air and structure surfaces—aided by secondary electron emissions from treated aluminum layers—a positive charge forms on specially designed skin sheets. These sheets continuously recharge the positively charged monoelectret block throughout flights. This earnest proposal underscores how leveraging natural phenomena can enhance UAV performance significantly while maintaining structural integrity through careful management of electrostatic interactions.
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