一种基于电场力效应测量液体密度的设计方案#br#

doi:10．14139/j．cnki．cn22-1228．2026．02．005

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摘要提出了一种基于平行板电容器的电场力效应测量液体密度的新方案。通过理论分析电容器部分浸入液体时，液面在电场力作用下的升高现象，推导出了液体密度与液面平衡高度之间的定量关系。该方法利用虚功原理建立了电场力与系统能量变化之间的联系，实现了通过电学参数对液体密度的间接测量。该方法在特定应用场景下，尤其是对高纯度或强腐蚀性绝缘液体的非接触式密度测量方面，具有独特优势，为液体密度的测量提供了一种新的技术思路。

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	赵紫嬿
	张妍妍
	刘艳峰

关键词: 平行板电容器电场力效应介电液体液体密度虚位移法

Abstract: A new scheme for measuring liquid density based on the electric field force effect of parallel plate
capacitors is proposed．By theoretically analyzing the phenomenon of the liquid level rising under the action of
electric field force when the capacitor is partially immersed in the liquid，the quantitative relationship between
the liquid density and the liquid level equilibrium height is derived．The method uses the virtual work principle
to establish the relationship between the electric field force and the energy change of the system，and realizes
the indirect measurement of liquid density through electrical parameters．This method has unique advantages in
specific application scenarios，especially in non-contact density measurement of high-purity or highly corrosive
insulating liquids，and provides a new technical idea for liquid density measurement．

Key words: parallel board capacitors electric field force effect dielectric liquid liquid density virtual displacement method

发布日期: 2026-04-25

ZTFLH:

TB 9

基金资助: 2024 年度陕西省社会科学基金项目 (2024P040);2025 年延安大学专业学位研究生课程案例库资助项目
(YDALK202505);自然科学基础研究计划(2024JC-YBMS-363)

引用本文:

赵紫嬿, 张妍妍, 刘艳峰. 一种基于电场力效应测量液体密度的设计方案#br#[J]. 大学物理实验, 2026, 39(2): 25-28.
ZHAO Ziyan, ZHANG Yanyan, LIU Yanfeng. A Design Scheme of Liquid Density Measurement Based on Electric Field Force Effect#br#. Physical Experiment of College, 2026, 39(2): 25-28.

链接本文:

https://dawushiyan.jlict.edu.cn/CN/10．14139/j．cnki．cn22-1228．2026．02．005 或 https://dawushiyan.jlict.edu.cn/CN/Y2026/V39/I2/25

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