陀螺仪特斯拉计的相关讨论DISCUSSION ON GYROSCOPE TESLA METER
姚尧,李文华,王晓杰,王槿,潘崇佩,文小青
摘要(Abstract):
当一个由非铁磁性导体制成的陀螺仪,被放置在磁场中时,其由于旋转切割磁感线会受到制动力矩的作用,从而会发生减速。本文首先将此模型简化为非铁磁性导体圆盘在磁场中的运动,通过求解体系所满足的麦克斯韦方程组,结合实验现象进行了解释;再总结出导体圆盘的角速度变化与外界磁场大小的关系,并将其用于制作一个陀螺仪特斯拉计,对其测量结果进行了讨论与分析。
关键词(KeyWords): IYPT;电磁制动;安培力;楞次定律;涡旋电流
基金项目(Foundation): 南开大学2019年实验教学课程改革项目(2019NKSYJG10);; 南开大学本科教育教学改革项目(NKJG2020023);南开大学自制仪器项目(20NKZZYQ13)
作者(Author): 姚尧,李文华,王晓杰,王槿,潘崇佩,文小青
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