| 用落球法测液体粘度计时起点的确定 |
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| 引用本文： | 盛忠志,简家文.用落球法测液体粘度计时起点的确定[J].大学物理,2001,20(7):26-27,29. |
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| 作者姓名： | 盛忠志 简家文 |
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| 作者单位： | 1. 中南林学院电子教研室,
2. 电子科技大学, |
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| 摘 要： | 根据斯托克斯定律和牛顿第二定律导出了小球到达终极速度半，小球的运动距离与速度之间的函数关系，从理论上对计时起点的确定给予了证明，并讨论了小球半径的合理取值。
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| 关 键 词： | 液体粘度 落球法 计时起点 终极速度 测量方法 小球半径 斯托克斯定律 牛顿第二定律 |
| 文章编号： | 1000-0712(2001)07-0026-02 |
Determination of starting time in method of dropping spherule for measuring the coefficient of viscosity |
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| SHENG Zhong zhi ,JIAN Jia wen.Determination of starting time in method of dropping spherule for measuring the coefficient of viscosity[J].College Physics,2001,20(7):26-27,29. |
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| Authors: | SHENG Zhong zhi JIAN Jia wen |
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| Institution: | SHENG Zhong zhi 1,JIAN Jia wen 2 |
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| Abstract: | Basing on Stokes'law and Newton's second law,the function of moving distance of spherule with velocity is deduced before the velocity of spherule comes to the terminal velocity.Using this result,the starting time is determined,and the rational size of spherule is discussed. |
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| Keywords: | method of dropping spherule starting time terminal velocity |
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