滴水法测重力加速度的实验研究

doi:10.14139/j.cnki.cn22-1228.2022.05.010

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摘要

本实验以滴水法测量重力加速度为基础，用自制的自动给水装置代替水龙头，使得实验更易于操作。巧妙利用了螺旋测微器的细微调节实现了水滴滴速的细微调节。同时利用了手机连拍功能找到了第一滴水滴出的同时第二滴水滴落的最佳状态。最后利用音频处理软件ｇｏｌｄｗａｖｅ分析数据，并且考虑了由于空气阻力的影响，对结果进行了修正。最终求得的重力加速度精度较高。

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	张　璐
	方路线
	许贤武
	朱倩龙

关键词: 滴水法重力加速度螺旋测微器

Abstract:

This experiment is based on the measurement of gravity acceleration by dripping water method,andthe self-made automatic water supply device is used instead of the faucet to make the experiment easier tooperate. The subtle adjustment of water drop speed is realized by using the subtle adjustment of spiralmicrometer.At the same time ,I found the best condition of the second drop of water when the first drop of watercame out by using the function of continuous shooting of the mobile phone.Finally ,the data were analyzed usingaudio processing software Goldwave, and the results were revised to take into account the effect of airresistance.The final gravity acceleration obtained has higher accuracy.

Key words: drop of water gravitational acceleration spiral micrometer

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

ZTFLH:

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引用本文:

张　璐, 方路线, 许贤武, 朱倩龙. 滴水法测重力加速度的实验研究 [J]. 大学物理实验, 2022, 35(5): 42-46.
ZHANG Lu, FANG Luxian, XU Xianwu, ZHU Qianlong. Experimental Study on Measuring GravityAccelerationby Dripping Water Method . Physical Experiment of College, 2022, 35(5): 42-46.

链接本文:

http://dawushiyan.jlict.edu.cn/CN/10.14139/j.cnki.cn22-1228.2022.05.010 或 http://dawushiyan.jlict.edu.cn/CN/Y2022/V35/I5/42

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