| 叶片锤垂直振动法测定液体黏度的试验研究 |
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| 引用本文： | 张建雷,李大勇,王利华,孙谦.叶片锤垂直振动法测定液体黏度的试验研究[J].中南大学学报(自然科学版),2011(10). |
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| 作者姓名： | 张建雷 李大勇 王利华 孙谦 |
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| 作者单位： | 哈尔滨理工大学材料科学与工程学院; |
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| 基金项目： | 国家自然科学基金科学仪器专项资助项目(50827403) |
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| 摘 要： | 以叶片锤为振子,研究弹簧振子在被测液体中作阻尼振动时,各振动周期内最大振动速度对数衰减率与被测液体黏度之间的关系。推导叶片锤垂直振动法测量液体黏度的黏度系数计算公式,设计叶片锤弹簧振子测试装置的基本结构,给出振动信号的提取方法,并利用该装置进行液体黏度的测试试验。研究结果表明:所推导的计算公式以多周期平均振动对数衰减率为特征参数,可以快速求得被测液体黏度,从而给出叶片锤垂直振动法进行液体黏度测量的理论依据;所得出的测试方法可以应用于液体的黏度测试,具有方法便捷、装置简单、成本低廉、测试结果可靠和能够连续测试等优点。
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| 关 键 词： | 黏度 弹簧振子 垂直震动法 |
Experimental study on measuring liquid viscosity by vertical oscillation of fusiform wing body |
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| ZHANG Jian-lei,LI Da-yong,WANG Li-hua,SUN Qian.Experimental study on measuring liquid viscosity by vertical oscillation of fusiform wing body[J].Journal of Central South University:Science and Technology,2011(10). |
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| Authors: | ZHANG Jian-lei LI Da-yong WANG Li-hua SUN Qian |
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| Institution: | ZHANG Jian-lei,LI Da-yong,WANG Li-hua,SUN Qian (School of Material Science and Engineering,Harbin University of Science and Technology,Harbin 150080,China) |
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| Abstract: | In order to measure liquid viscosity quickly,the relations between the liquid viscosity and the logarithm damping rate of maximum vibration speed in all cycles were studied when the fusiform wing body spring oscillator vibrates vertically in liquid.The viscosity coefficient calculating formula of spring oscillator method was derived.The conformation of the liquid viscosity measuring system based on the fusiform wing body spring oscillator and the method of how to acquire the oscillating signal were also dis... |
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| Keywords: | viscosity spring oscillator vertical oscillation method |
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