一种测量液体表面张力系数的新方法

doi:10.14139/j.cnki.cn22-1228.2022.05.014

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摘要

利用表面张力、浮力和重力相互平衡的简单概念，设计了一套新的液体表面张力系数测量装置。实验结果表明，使用该装置测量去离子水和自来水的表面张力系数，其结果与标准值符合得很好，与基于拉力传感器的拉脱法相比，测量精度有较大的提高。该装置具有简易、精度高、便宜等优点，能够为测量液体表面张力系数提供一种新的方法。

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	吴显云
	张　容
	段世青
	赵文哲

关键词: 液体表面张力表面张力系数简易平衡

Abstract:

A set of liquid surface tension coefficient measuring new device is designed by using the simpleconcept of mutual balance of surface tension , buoyancy and gravity.The experimental results show that thedevice is used to measure the surface tension coefficient of deionized water and tap water ,and the results are ingood agreement with the standard result. Compared with the pull-out method based on tension sensor, them easurement accuracy is largely improved.The device has the advantages of simplicity,high precision and lowcost,and can provide a new method for measuring liquid surface tension coefficient.

Key words: liquid surface tension surface tension coefficient simple balance

出版日期: 2022-10-25 发布日期: 2022-10-25 整期出版日期: 2022-10-25

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引用本文:

吴显云, 张　容, 段世青, 赵文哲. 一种测量液体表面张力系数的新方法 [J]. 大学物理实验, 2022, 35(5): 64-67.
WU Xinyun, ZHANG Rong, DUAN Shiqing, ZHAO Wenzhe. New Method of Measuring Liquid Surface Tension Coefficient . Physical Experiment of College, 2022, 35(5): 64-67.

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http://dawushiyan.jlict.edu.cn/CN/10.14139/j.cnki.cn22-1228.2022.05.014 或 http://dawushiyan.jlict.edu.cn/CN/Y2022/V35/I5/64

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