电磁感应与磁悬浮实验研究  

Experiment of Electromagnetic Induction and Magnetic Suspension

作　　者：王玉清[1] 任新成[1] WANGYuqing;REN Xincheng(School of Physics and Electronic Information, Yan＇ an University, Yan＇ an 716000, Shaanxi China)

机构地区：[1]延安大学物理与电子信息学院,陕西延安716000

出　　处：《河南科学》2018年第4期505-509,共5页Henan Science

基　　金：国家自然科学基金项目(61379026)

摘　　要：基于对导体在磁场中运动而导致的磁悬浮力、磁牵引力等磁悬浮现象规律性的进一步认识,进行了电磁感应与磁悬浮实验.具体研究了磁悬浮力、磁牵引力与铝盘转速的关系,磁铁与铝盘间纵向距离变化对磁悬浮力、磁牵引力的影响,磁铁与铝盘间横向位置变化对磁悬浮力、磁牵引力的影响.结果表明,磁悬浮力、磁牵引力与铝盘转速满足线性关系;随着磁铁与铝盘间纵向距离的增大,磁悬浮力、磁牵引力减小;随着磁铁与铝盘间横向位置的改变,磁悬浮力、磁牵引力先增大,后减小,存在最大值.The experiment of electromagnetic induction and magnetic suspension is studied based on the further understanding of regularity of magnetic suspension phenomenon,such as the magnetic levitation force and magnetic tractive force caused by the conductor motion in the magnetic field. The relationships between magnetic levitation force,magnetic tractive force and rotating speed of the aluminum disk,the influence of the longitudinal distance between the magnet and aluminum disk on magnetic levitation force and magnetic tractive force,the influence of lateral distance between the magnet and aluminum disk on magnetic levitation force and magnetic tractive force are studied concretely. The results show that the magnetic levitation force,magnetic tractive force are linearly related to the rotating speed of aluminum disk,with the increasing of the longitudinal distance between the magnet and the aluminum disk,the magnetic levitation force and magnetic tractive force decrease,with the increasing of the lateral distance between the magnet and the aluminum disk,the magnetic levitation force and magnetic tractive force increase first,then decrease,and the maximum values exist.

关 键 词：电磁感应 磁悬浮力 磁牵引力 铝盘转速 

分 类 号：O441[理学—电磁学]