Travelling Characteristics of Electromagnetically Driven Arc Burning between the Edges of Parallel Flat Electrodes in Atmospheric Pressure
Travelling Characteristics of Electromagnetically Driven Arc Burning between the Edges of Parallel Flat Electrodes in Atmospheric Pressure
复制标题
大气压下平行平板电极边缘间电磁驱动电弧燃烧的传播特性
DOI：
10.1541/ieejpes1990.120.11_1504
复制
发表时间：
2000
影响因子：
--
通讯作者：
T. Matsumura
中科院分区：
文献类型：
--
作者：
H. Ohno;H. Ito;Tomio Tange;K. Naito;Y. Yokomizu;T. Matsumura
对大气压下平行平板电极间的电磁驱动电弧燃烧进行了实验研究。一对长640 mm、宽20 mm、厚1.2 mm的平行平板电极水平设置，间隙长度为13 mm。在布置新电极之后，以30秒的间隔依次点燃电弧100次或200次。结果表明，在迭代次数Ntest = 10-15时，电弧的运动速度达到局部极大值后，在所有d. C.电弧电流Ia在36.5至117 A的范围内。在Ia=36.5和48 A时，每单位长度阳极斑点的跳跃数NIdp随着Ntest逐渐减小，而在Ia=65、90和117 A时保持不变。例如，当Ia=36.5 A时，随着Ntest从10倍增加到100倍，Nskip从102 m-1下降到80 m-1，而当Ia=117 A时，Nskip保持在36 m-1。阳极侵蚀的累积量Ma和阴极侵蚀的累积量Mc分别被发现几乎
Experimental investigation was performed on an electromagnetically driven arc burning between the edges of parallel flat electrodes in atmospheric pressure. A pair of parallel flat electrodes having a length of 640 mm, a width of 20mm and a thickness of 1.2mm is set up horizontally with a gap length of 13mm. After new electrodes were arranged, the arc was sequentially ignited either 100 or 200 times in interval of 30 seconds. The result revealed that after reaching the local maximum at iteration number Ntest of 10-15, the travelling velocity of the arc slightly decreased with an increase in Ntest for all of the d. c. arc current Ia in the range from 36.5 to 117 A. The skipping number N Idp of an anode spot per unit length proved to lessen gradually with Ntest for Ia=36.5 and 48 A and to remain constant for Ia=65, 90 and 117 A. For instance, Nskip decreased from 102 to 80 m-1 with increasing Ntest from 10 to 100 times for Ia=36.5 A, while Nskip was kept at 36 m-1 for Ia=117 A. Accumulated amounts Ma of the anode erosion and Mc of the cathode erosion, respectively, were found to rise almost