利用智能手机测量居里温度  

Use Smart Phone to Measure Curie Temperature

作　　者：方明月 郭瑞雪 谢翠婷[1] FANG Mingyue;GUO Ruixue;XIE Cuiting(School of Physical and Telecommunications Engineering,South China Normal University,Guangzhou 510006,China)

机构地区：[1]华南师范大学物理与电信工程学院,广东广州510006

出　　处：《大学物理实验》2021年第5期48-50,共3页Physical Experiment of College

摘　　要：利用两台智能手机以及一根防水温度传感器巧妙地测量了永磁体的居里温度。该实验利用水的良好导热性,对永磁体的磁感应强度和温度关系曲线进行了观察和测量,且实验结果与理论值之间的误差较小,实验步骤简单,可重复性高。Using two smart phones and a waterproof temperature sensor to cleverly measure the Curie temperature of the permanent magnet.In this experiment,the good thermal conductivity of water was used to observe and measure the relationship curve between the magnetic induction intensity and temperature of the permanent magnet.Moreover,the error between the experimental results and the theoretical values is small,the experimental procedures are simple and the reproducibility is high.

关 键 词：智能手机 OTG 居里温度 永磁体 

分 类 号：O482.54[一般工业技术—材料科学与工程]