大学物理 ›› 2022, Vol. 41 ›› Issue (4): 71-.doi: 10.16854 /j.cnki.1000-0712.210486

• 大学生园地 • 上一篇    下一篇

基于欠阻尼振动的液体黏度测量装置

谭畅,张国兴,卢盼功,高剑飞,盛桉笛,蒙高庆   

  1. 1. 华北电力大学(保定) 计算机系,河北 保定071000;2. 华北电力大学(保定) 机械系,河北 保定071000;
    3. 华北电力大学(保定) 数理系,河北  保定  071000
  • 收稿日期:2021-10-06 修回日期:2021-11-04 出版日期:2022-04-20 发布日期:2022-04-21
  • 作者简介:谭畅(2001—),男,广西百色人,华北电力大学(保定)计算机系2020级本科生.
  • 基金资助:
    河北省自然科学基金(A2021502004)、中央高校基本科研业务费(2021MS071)以及河北省高等教育教学改革研究(2019GJJG414)项目资助

Instrument for measuring the liquid viscosity coefficient based on  under-damping vibration

TAN Chang1,ZHANG Guo-xing2,LU Pan-gong2,GAO Jian-fei1, SHENG An-di1,MENG Gao-qing3   

  1. 1. Computer Department,North China Electric Power University,Baoding,Hebei 071000,China;
    2. Mechanical Department,North China Electric Power University,Baoding,Hebei 071000,China;
    3. Department of Mathematic,North China Electric Power University,Baoding,Hebei 071000,China
  • Received:2021-10-06 Revised:2021-11-04 Online:2022-04-20 Published:2022-04-21

摘要: 本文设计了一种用于测量液体黏度的阻尼振动装置.该装置以一个做欠阻尼振动的弹簧振子为核心,利用光电接近开关收集数据,并在数字示波器上显示图像,再将该图像数据传递到计算机上进行分析.该方法的适用范围广,便于收集与分析实验数据,避免了实验中的多种干扰因素,消除了传统落球法实验的弊端,提高了实验测量的准确度.

关键词: 欠阻尼振动, 液体黏度, 光电接近开关, 数字示波器

Abstract: In this paper,a damping vibration device for measuring the viscosity coefficient of liquid is designed.A spring vibrator is taken as the core,and a photoelectric proximity switch is used to collect data.A digital oscilloscope is employed to display the image and transmit the image data to computer for analysis.This method has a wide range of application,is convenient for collecting and analyzing experimental data.It also avoids various interference factors in the experiment and eliminated the disadvantages of traditional fallingsphere method.It also improves the accuracy of experimental measurement.

Key words: under-damping vibration, liquid viscosity coefficient, photoelectric proximity switch, digital oscilloscope