6 . the electric field induced by the ring electrode is calculated and a model of the electric field induced by charged droplets is presented 6 、模拟了环状电极诱导的空间电场，建立了荷电雾滴诱导空间电场的数学模型并就模拟方法进行了探讨。
2.
An experimental system of electro - spray with two different charging methods - inducted by ring electrode and polarized by contacted needle electrode is established . an effective charging equipment for fuel is designed . water and kerosene ' s characteristics of charging and atomization in the electro - spray are measured and analyzed 2 、建立了环状感应电极充电和闭式接触电晕充电的荷电喷雾实验系统，对煤油和水两种不同物性介质的荷电特性与荷电雾化特性进行了测量及分析。
