| 霍尔位置传感器测量材料杨氏模量的改进 |
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| 引用本文： | 龙卧云,任文辉,林智群,谭玉.霍尔位置传感器测量材料杨氏模量的改进[J].实验室科学,2010,13(5):166-168. |
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| 作者姓名： | 龙卧云 任文辉 林智群 谭玉 |
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| 作者单位： | 湖南农业大学应用物理系,湖南长沙410128 |
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| 基金项目： | 湖南农业大学教学改革课题成果(2010) |
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| 摘 要： | 通过具体实验过程发现FD-TX-HY-Ⅰ霍尔位置传感器法测定固体杨氏模量实验的缺陷所在,通过对铜刀口的适当改进以及增加发光二极管进行视场照明,有效克服了实验误差,促进了学生的实验热情。
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| 关 键 词： | 霍尔位置传感器 杨氏模量 标志刻度线 视场照明 |
Improvement in measuring Young's modulus by Hall position sensor |
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| LONG Wo-yun,REN Wen-hui,LIN Zhi-qun,TAN Yu.Improvement in measuring Young's modulus by Hall position sensor[J].Laboratory Science,2010,13(5):166-168. |
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| Authors: | LONG Wo-yun REN Wen-hui LIN Zhi-qun TAN Yu |
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| Institution: | (Department of Applied Physics,Hunan Agricultural University,Changsha 410128,China) |
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| Abstract: | The defects in experiment of measuring Young＇s modulus by FD-TX-HY-ⅠHall position sensor are found.By the improvement of copper knife-edge and the increase in light-emitting diode as the field illuminators,the experimental error is effectively overcame and students are stimulated to have enthusiasm for college physics experiment. |
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| Keywords: | Hall position sensor Young＇s modulus tick axis field illuminator |
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