自制新型弹性形变演示仪

详细信息    查看全文 | 推荐本文 |

	英文篇名：Self-made New Elastic Deformation Demonstrator 作者：徐飞洋 ; 吕金阳 ; 何宇红 英文作者：Xu Feiyang;Lu Jinyang;He Yuhong;College of science,Yanbian University; 关键词：弹性形变 ; 放大 ; 实验改进 英文关键词：elastic deformation;;magnify;;experimental improvement 中文刊名：WLTB 英文刊名：Physics Bulletin 机构：延边大学理学院; 出版日期：2019-07-01 出版单位：物理通报 年：2019 语种：中文; 页：WLTB201907028 页数：2 CN：07 ISSN：13-1084/O4 分类号：94-95

摘要

多数弹性形变演示仪是利用指针和杠杆,将物体的微小形变放大便于观察,但这种演示仪灵敏度不高、放大效果不理想,在教学演示时影响教学效果.基于这种弹性形变演示仪的放大思路,设计了一种全新的演示仪器,利用光线在刻度尺上的变化来显示物体的微小弹性形变,操作简单,演示效果明显.
        Most of the elastic deformation demonstrators use pointers and levers to magnify the tiny deformation of the object for easy observation. However, the instrument is not sensitive enough and the amplification effect is not ideal, which affects the teaching effect during teaching demonstration. Based on the magnifying idea of this elastic deformation demonstrator, a new demonstration instrument was designed, which uses the change of light on the scale to display the slight elastic deformation of the object, which is easy to operate and has obvious demonstration effect.

引文

1 人民教育出版社,课程教材研究所,物理课程教材研究开发中心.普通高中课程标准实验教科书物理·必修1.北京:人民教育出版社,2004.54～55