一种黏温修正方法的研究与建立

doi:10.3969/j.issn.1000-1158.2022.01.09

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摘要为提高非标准环境实验室内工作黏度计校准检测精度,依据实验定值的黏温数据,系统地分析了所选精制石油产品和精制甲基硅油标准黏度液的黏温特性。选择优化了Walther方程、Arrhenius方程,采用20、 25℃定值结果作为参考点,对精制石油产品标准黏度液的运动黏度-温度、精制甲基硅油标准黏度液的动力黏度-温度建立了黏温修正关系式。结果表明:该修正方法计算结果较定值结果最大偏差为0.65%。经验证,一定程度上能满足工作计量器具校准的需要,实现了在非标准环境实验室内较为准确的黏温修正。

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	金愿
	朱绚华
	乔家广

关键词 ：计量学, 黏度, 温度, 黏温特性, 黏温修正方法

Abstract：In order to improve the calibration accuracy of viscometer in non-standard environment laboratory, the viscosity-temperature characteristics of refined petroleum products and refined methylsilicone oil standard viscosity liquids were systematically studied according to experimentally certified viscosity-temperature data. The Walther equation and Arrhenius equation were selected and optimized, and then the kinematic viscosity-temperature correction method of refined petroleum products standard viscosity liquids and the dynamic viscosity-temperature correction method of refined methylsilicone oil standard viscosity liquids were established with the certified values of 20℃ and 25℃ as the reference point. The results show that the maximum deviation between the calculated value and the certified value is 0.65%. The viscosity-temperature correction method used in the calibration of working viscometer is feasible to a certain extent, more accurate viscosity temperature correction in non-standard environment laboratory is realized.

Key words： metrology viscosity temperature viscosity-temperature characteristic viscosity-temperature correction method

收稿日期: 2020-03-27 发布日期: 2022-01-06

PACS:

TB933

基金资助:上海市市场监督管理局科研项目(E00RJ1914,E00RJ2105)

作者简介: 金愿(1989-),男,河南商丘人,上海市计量测试技术研究院工程师,硕士,主要从事黏度计量方面的研究工作。Email: Jinyuan@simt.com.cn

引用本文:

金愿, 朱绚华, 乔家广. 一种黏温修正方法的研究与建立[J]. 计量学报, 2022, 43(1): 57-64.
JIN Yuan, ZHU Xuan-hua, QIAO Jia-guang. Study and Establishment of a Viscosity-temperature Correction Method. Acta Metrologica Sinica, 2022, 43(1): 57-64.

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