空气中双称重法砝码体积测量方法实验研究

doi:10.3969/j.issn.1000-1158.2024.08.13

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摘要以质量1g~5 kg的标准砝码为对象,开展了空气中双称重法和静水力学法砝码体积测量比对实验研究。提出一种辅助砝码盘的砝码体积测量方法,解决了1~5g小砝码体积测量不能直接加载到秤盘上的问题。利用Monte Carlo法评定了砝码体积测量的不确定度,结果发现双称重法和静水力学法测得的砝码体积及其不确定度一致性很好,砝码标称质量在1g~1kg之间时砝码体积相对不确定度随着标称质量增加而减小,质量超过1kg时相对不确定度随着标称质量增加而增加。

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	苏祎
	熊忠琪
	郑晓兰
	程丽苑

关键词 ：质量计量, 砝码体积, 空气中双称重, 静水力学, Monte Carlo

Abstract：A comparative experimental study was conducted on the volume determination of standard weights with a mass of 1g~5kg, using the double weighing in air method and the hydrostatic method. A method for measuring the volume of auxiliary weight plates was proposed, which solved the problem of small weights ranging from 1g to 5g that cannot be directly loaded onto the scale plate. The uncertainty of weight volume measurement was evaluated by Monte Carlo method, and it was found that the consistency of the weight volume and its uncertainty measured by the double weighing method and hydrostatic method was very good, and the relative uncertainty of the weight volume decreased with the increase of the nominal mass when the nominal mass of the weights was 1g~1kg, and increased with the increase of the nominal mass when the mass was more than 1kg.

Key words： quality measurement volume of weights double weighing in air hydrostatic weighing Monte Carlo

收稿日期: 2023-06-21 发布日期: 2024-09-05

PACS:

TB932

基金资助:上海市2021年“科学技术创新行动计划”自然科学基金面上项目(21ZR1479600)

通讯作者: 程丽苑(1985-),女,上海市人,上海市计量测试技术研究院高工,主要从事质量计量方面的研究。Email: chengly@simt.com.cn E-mail: chengly@simt.com.cn

作者简介: 苏祎(1980-),女,江苏无锡人,上海市计量测试技术研究院教授级高工,主要从事质量计量方面的研究。Email: suy@simt.com.cn

引用本文:

苏祎,熊忠琪,郑晓兰,程丽苑. 空气中双称重法砝码体积测量方法实验研究[J]. 计量学报, 2024, 45(8): 1177-1183.
SU Yi,XIONG Zhongqi,ZHENG Xiaolan,CHENG Liyuan. Experimental Study on Volume Determination of Weights by Double Weighting in Air Method. Acta Metrologica Sinica, 2024, 45(8): 1177-1183.

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http://jlxb.china-csm.org:81/Jwk_jlxb/CN/10.3969/j.issn.1000-1158.2024.08.13 或 http://jlxb.china-csm.org:81/Jwk_jlxb/CN/Y2024/V45/I8/1177

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