| 杨氏弹性模量测量的设计性实验 |
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| 引用本文： | 石海泉,李超龙,汪涛.杨氏弹性模量测量的设计性实验[J].大学物理实验,2011,24(2):49-52. |
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| 作者姓名： | 石海泉 李超龙 汪涛 |
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| 作者单位： | 1. 华东交通大学,江西南昌,330013
2. 重庆大学,重庆,400045 |
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| 基金项目： | 华东交通大学校立科研基金资助 |
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| 摘 要： | 首先分析指出杨氏弹性模量测量作为设计性实验符合设计性实验的选题原则;然后,简介测量金属丝伸长量的几种方案,通过不确定度分析,指出进一步提高杨氏弹性模量测量精度的关键;最后,总结了本设计性实验的意义.
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| 关 键 词： | 杨氏弹性模量 设计实验 不确定度 |
Design Experiment of Measuring Young's Modulus |
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| SHI Hai-quan,LI Chao-long,WANG Tao.Design Experiment of Measuring Young's Modulus[J].Physical Experiment of College,2011,24(2):49-52. |
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| Authors: | SHI Hai-quan LI Chao-long WANG Tao |
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| Institution: | 1.East China of Jiaotong University,Nanchang 330013;2.ChongQing University,Chongqing 400045) |
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| Abstract: | The begining of paper,it analysis obtained that measuring Young’s modulus as a design experiment is in conformity with the principle of design experiment;and then introduces several programs of measuring wire elongation,through the analysis of uncertainty,points out what’s the key of further improving measurement accuracy of Young’s modulus;At last,summed up the significance of this design experiment. |
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| Keywords: | Young’s modulus design experiment uncertainty |
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