Development of Discharge Generator using a Space Charge Could formed by charged particles

按照澄清从空间充电云中提取电荷的机制的顺序，使用电荷发生器将空间充电云制成的由充电粒子开发的空间充电云。电荷发生器由两朵花、三颗颗粒饲料和三颗电晕充电器组成。40米/秒的高速气流形成在颗粒喂养管道中，将运输粉颗粒转化为电晕充电器。电晕充电器具有直径和直径上的0.1 mm的放电线电极。从250焦耳到500焦耳的直径were supplied to the corona charger and charged by negative corona discharge from the wire electrode。电荷粒子的形式可以在试验空间内充电，宽度为5.4米，长度为5.4米，高度为5.2米。您的space charge density of the cloud be increased up to about 100？C/m？D13？D1 by the improvement of corona charger。从a grounded sphere electrode inserted into the space charge could were measured。当接地的电极位于空间电荷云内部时，放电电流为4安培脉冲高度和1微秒脉冲长度在30毫秒间隔内观察到。该放电长度被图像强化器观察到的放电长度约为20厘米，从地面电极的尖端。在另一只手上，电荷的长度增加到60厘米，当地面的电磁波被放置在云之外。最大脉冲高度和电荷量的分配是4A和2.5μC，响应。向空间充电云的电荷量被发现可以随着释放量的扩展而增加到云。

In order of clarify the mechanism of the discharge from a space charge cloud, the discharge generator using a space charge cloud formed by charged particles have been developed. The discharge generator consists of two blowers, three particle feeders and three corona chargers. High speed air flow of 40 m/s is formed in the particle feeding pipe to transport powder particles to the corona charger. The corona charger has a discharging wire electrode of 0.1 mm in diameter and a cylindrical grounded electrode. Powder particles ranging from 250 μm to 500 μm in diameter were supplied to the corona charger and charged by negative corona discharge from the wire electrode. The charged particles forms a space charge could in a test space with 5.4 m in width, 5.4 in length and 5.2 m in height. The space charge density of the cloud be increased up to about 100 μC/mィイD13ィエD1 by the improvement of corona charger.The aspect and electric current of the discharge occurred from a grounded sphere electrode inserted into the space charge could were measured. When the grounded electrode was located inside of the space charge cloud, the discharge current with 4 A pulse height and 1 μs pulse length was observed at 30 ms interval. The discharge length observed by an image intensifier was about 20 cm from the tip of the grounded electrode. On the other hand, the discharge length increased up to 60 cm when the grounded sphere electrode located outside of the cloud. The maximum pulse height and charge amount of the discharge were 4 A and 2.5μC, respectively. The charge amount of the discharge toward the space charge cloud is found to be increase with the volume of the discharge extend to the cloud.