针对固定翼Y5B 农用飞机设计了航空静电喷雾系统，该系统包括航空喷嘴、高压直流电源、内嵌式圆柱电极感应充电装置，具有使雾滴雾化均匀、荷电充分的特点。将航空静电喷雾系统与Y5B 农用飞机配套进行了有效喷幅、雾滴沉积、雾滴飘移和灭虫等试验研究。试验结果表明，与常规喷雾相比，静电喷雾能使雾滴沉积提高14个/ cm2，有效喷幅达到42 m，雾滴飘移明显减少。静电喷雾技术的应用能使雾滴分布均匀，雾滴的沉积效果较好，可减少环境污染，有效提高农药利用率；而航空喷雾技术将大大地提高农林病虫害防治效率。将两种技术结合起来的航空静电喷雾在农林病虫害防治上将起到非常重要的作用。
Abstract
An aerial electrostatic spaying system was designed for Y5B aircraft including aerial nozzles, high voltage DC power supply and inlay cylinder acicular induction charging device which can makes spraying droplets more uniformly and droplets charging more effectively and fully. Some experimental studies about aerial electrostatic spraying set were introduced and conducted on the electrostatic spraying system assembled in the Y5B aircraft. These experiments included the effective spraying breadth, droplets deposition characteristics and droplets drift and so on. The results showed that the electrostatic spraying could make coverage rate of target increase 14 droplets/cm2 compared with the non-electrostatic spraying, the effective spray breadth of Y5B aircraft reached 42 m, and droplets drift decreased obviously. Electrostatic spraying could produce uniform and fine droplets with good droplet adhesion and distribution, higher depositing efficiency, low environmental contamination, low pesticide application rate, and aerial spray can improve efficiency for prevention and cure pests in agriculture and forestry. Combining electrostatic spraying with aerial spraying technology will take an important role for preventing and curing pests in agriculture and forestry.
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基金
收稿日期：2010-05-12修回日期：2010-09-29基金项目：国家林业局林业公益性行业科研专项项目（200904051）；南京林业大学创新基金项目作者简介：茹煜(1973—)，副教授，博士。*周宏平（通信作者），教授。Email: hpzhou@njfu.com.cn。
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