| 液体粘滞系数测量原理分析及仪器研制 |
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| 引用本文： | 张潞英,陈国杰,周红仙,伍贤栋. 液体粘滞系数测量原理分析及仪器研制[J]. 实验科学与技术, 2011, 9(5): 182-185 |
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| 作者姓名： | 张潞英 陈国杰 周红仙 伍贤栋 |
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| 作者单位： | 佛山科学技术学院物理实验教学中心,广东佛山,528000 |
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| 基金项目： | 广东省实验教学示范中心资助 |
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| 摘 要： | 介绍了1种基于斯托克斯法测量原理设计的新型液体粘滞系数测量仪。仪器采用激光光电计时装置,提高了计时的准确性,计时结果自动存入单片机,断电存储数据不丢失。设计了小球沿轴线投放装置和小球吸拾器及引导装置,实现了同一直径的小球只需1粒就可多次重复测量,避免了油筒内小球堆积的现象。
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| 关 键 词： | 液体粘滞系数 斯托克斯公式 落球法 仪器研制 |
Measurement Principle of Viscosity Coefficient and the Development of Measuring Instrument |
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| ZHANG Lu-ying,CHEN Guo-jie,ZHOU Hong-xian,WU Xian-dong. Measurement Principle of Viscosity Coefficient and the Development of Measuring Instrument[J]. Experiment Science & Technology, 2011, 9(5): 182-185 |
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| Authors: | ZHANG Lu-ying CHEN Guo-jie ZHOU Hong-xian WU Xian-dong |
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| Affiliation: | ZHANG Lu-ying,CHEN Guo-jie,ZHOU Hong-xian,WU Xian-dong (Center of Physical Experiment Teaching,Foshan University,Foshan 528000,China) |
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| Abstract: | A new instrument was developed for measuring viscosity coefficient based on Stokes measurement principle. A laser photoe lectric device was used for keeping time. By using the instrument, the accuracy of measuring time was improved and the single-chip computer saved the measurement results automatically. Those saved data would not be lost when the instrument is powered eft. A device for dropping the ball along the plumb axis and a guide arrangement were designed. It realized that only one ball with certain diame ter was needed for repeated measurement and the ball pile was avoided. |
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| Keywords: | viscosity coefficient stokes equation falling ball method instrument development |
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