冲击电流计线圈运动状态的理论及数值计算研究  

Theoretical Analysis and Numerical Calculations on Coil Movement of Ballistic Galvanometer

作　　者：吴海娜[1] 朱盼盼[1] 易光宇[1] 张莉[1] 朱林[1] WU Hai-na;ZHU Pan-pan;YI Guang-yu;ZHANG Li;ZHU Lin(Northeastern University Science College, Liaoning Shenyang 110819)

机构地区：[1]东北大学,辽宁沈阳110819

出　　处：《大学物理实验》2018年第2期10-13,共4页Physical Experiment of College

基　　金：国家自然科学基金项目(11504045)

摘　　要：简要介绍了冲击电流计的实验原理,探究了冲击电流计中偏转线圈在磁场中的三种运动状态,利用数理方法和物理知识推导出冲击电流计中线圈偏转角度随时间变化的数学表达式,并数值计算给出了三种运动状态中偏转角随时间变化曲线图。对深入了解和掌握冲击电流计的具体工作原理及特性具有重要理论指导意义。It introduced the principle of the ballistic galvanometer briefly,explored three kinds of coil motion in the magnetic field,obtained the detail mathematic expression for the impacts of galvanometer coil deflection angle changing with time by using mathematical method and physical knowledge,and the numerical calculation and figure are also obtained.Those research have important theoretical significance for deep understanding and grasping the working principle and characteristics of the ballistic galvanometer.

关 键 词：冲击电流计 线圈 阻尼 偏转角 数值计算 

分 类 号：O4-33[理学—物理]