落体法测刚体转动惯量的测量方法比较

郭长立, 李三庆

郭长立, 李三庆. 落体法测刚体转动惯量的测量方法比较[J]. 力学与实践, 2005, 27(3). DOI: 10.6052/1000-0992-2004-183
引用本文: 郭长立, 李三庆. 落体法测刚体转动惯量的测量方法比较[J]. 力学与实践, 2005, 27(3). DOI: 10.6052/1000-0992-2004-183
COMPARISON OF DIFFERENT METHODS OF MEASURING RIGID BODY INERTIA BY THE FALLING BODY LAW[J]. MECHANICS IN ENGINEERING, 2005, 27(3). DOI: 10.6052/1000-0992-2004-183
Citation: COMPARISON OF DIFFERENT METHODS OF MEASURING RIGID BODY INERTIA BY THE FALLING BODY LAW[J]. MECHANICS IN ENGINEERING, 2005, 27(3). DOI: 10.6052/1000-0992-2004-183
郭长立, 李三庆. 落体法测刚体转动惯量的测量方法比较[J]. 力学与实践, 2005, 27(3). CSTR: 32047.14.1000-0992-2004-183
引用本文: 郭长立, 李三庆. 落体法测刚体转动惯量的测量方法比较[J]. 力学与实践, 2005, 27(3). CSTR: 32047.14.1000-0992-2004-183
COMPARISON OF DIFFERENT METHODS OF MEASURING RIGID BODY INERTIA BY THE FALLING BODY LAW[J]. MECHANICS IN ENGINEERING, 2005, 27(3). CSTR: 32047.14.1000-0992-2004-183
Citation: COMPARISON OF DIFFERENT METHODS OF MEASURING RIGID BODY INERTIA BY THE FALLING BODY LAW[J]. MECHANICS IN ENGINEERING, 2005, 27(3). CSTR: 32047.14.1000-0992-2004-183

落体法测刚体转动惯量的测量方法比较

COMPARISON OF DIFFERENT METHODS OF MEASURING RIGID BODY INERTIA BY THE FALLING BODY LAW

  • 摘要: 用JIJG-I刚体转动惯量实验仪的同组数据,分别用测角加速度法和测时间法计算待测圆盘的转动惯量,结果表明,测角加速度法比测时间法的测量精度可提高1到2个数量级,具有明显优点;同时分析了测时间法产生误差的主要原因,也指出了使用测角加速度法的注意事项.
    Abstract: This paper calculates the inertia of a disc by angularacceleration law and time law, respectively with the data ofJIJG-I's rigid body inertia experimental apparatus, and it isindicated that the angular acceleration law gives better resultsthan the time law by 1 to 2 orders of magnitude in precision.The main factors of the timelaw and the angular acceleration law are pointed out.
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出版历程
  • 收稿日期:  2004-05-20
  • 修回日期:  2004-07-26
  • 发布日期:  2005-06-09

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