Together with silver-white light, to draw a perfect arc, from the loss of vision gradually. 一道银白色的光线,划着完美的弧线,从视野里逐渐的消失。
SELECTION AND EFFECT OF THE TRANSFORMER AND SECONDARY BUSBAR WITH ELECTRODE IN SUBMERGED ARC FURNACE Loss Analysis and Thermal Design of Mid-Voltage& Mine-Used Inverter Main Circuit 矿热炉变压器、短网和电极的选用与效果中压矿用变频器主电路损耗分析及散热设计
The impaction of numerical precision on the accuracy of simulated flow field is checked. Curving level of throat wall arc mesh is compared to see the effect on flow loss. 并比较了数值精度对流场模拟精度的影响和喉道壁面网格的圆弧度处理对流动损失的影响。
It has a lot of characteristics, such as for any prospective current, the arc can be extinguished after the current passes through zero point at first or second time when fuse-element melts, and there is no over voltage and power loss. 它具有许多特点,如对于任何预期电流,在熔体熔化起弧后的第1次电流过零或第2次电流过零时就能灭弧,且无过电压,功率损耗小等。
Furthermore, itis proved that the percentage of harmonic of the new type of arc-suppression coil is less than 4%, the loss less than 1.7% and magnetization power less than 1.3% on measure results. 实测结果表明,新型消弧线圈的谐波含量小于4%,损耗小于1.7%,磁化功率小于1.3%。
Compared with an axial skewed slot casing treatment, the arc skewed one not only made an improvement in stall margin, but also ended the history that the casing treatment had to pay a loss of efficiency in order to improve stall margin. 研究结果表明,圆弧斜槽处理机匣的最大扩稳能力能使该风机的失速裕度较之实壁机匣提高27%,并且在峰值效率上有1%左右的提高。
Arc spraying aluminum and aluminum zinc coatings on steel surface were investigated using dynamic corrosion experiment. The corrosion rate was calculated with weight loss method, and the corrosion mechanism was discussed. 对钢铁基体表面电弧喷涂铝及铝锌涂层进行了动态腐蚀实验,以失质量法计算了腐蚀速度,并探讨了腐蚀机理。
The electrical contact sliding wear behavior of Cu-Cr-Zr alloy had been studied, and the results showed that the wear mechanisms mainly were adhere wear, arc erosive and abrasive wear and that there was a linear relation between the wear loss and sliding distance. 对Cu-Cr-Zr合金的电接触滑动磨损性能的研究结果表明:电接触滑动磨损的机理是熔焊粘着磨损、电侵蚀磨损及磨粒磨损,它们的磨损量随滑动距离的增加呈线性增加。
The wear rate of pin specimens without electric current shows a monotone increase with an increase in electric current. The wear mechanism is mainly attributed to adhesion and abrasion, oxidation and electric arc ablation loss. 有电流时,销试样的磨损率随电流的增加而增加,其摩擦面上有电弧烧蚀坑,同时伴有磨粒磨损,粘着磨损和氧化磨损。
The electrode regulator is the important unit of arc furnace, its performance which has directly relation with its efficiency and it has a significant impact on power consumption and electrode loss. 电极调节器是冶金用电弧炉控制核心部件,其性能的好坏直接影响着电弧炉的工作效率,并且对电耗、电极损耗等都有很大的影响。