基于流固耦合的科氏流量计数值及实验研究

doi:10.11885/j.issn.1674-5086.2022.11.27.01

西南石油大学学报(自然科学版) ›› 2025, Vol. 47 ›› Issue (3): 170-178.DOI: 10.11885/j.issn.1674-5086.2022.11.27.01

基于流固耦合的科氏流量计数值及实验研究

奚占东¹, 邓勇¹, 熊明¹, 赵怀刚¹, 周兆明²

1. 国家管网集团西南管道有限责任公司, 四川成都 610218;
2. 西南石油大学机电工程学院, 四川成都 610500

收稿日期:2022-11-27 发布日期:2025-07-11
通讯作者: 周兆明，E-mail： zhouzhaom@126.com
作者简介:奚占东，1973年生，男，满族，四川成都人，高级工程师，硕士，主要从事油气储运方面的研究。E-mail：xizhandong@126.com
邓勇，1976年生，男，汉族，四川乐至人，高级经济师，主要从事油气储运工作。E-mail：363195022@qq.com
熊明，1984年生，男，汉族，高级工程师，硕士，主要从事油气储运方面工作。E-mail：xiongminging2008@163.com
赵怀刚，1968年生，男，汉族，贵州贵阳人，高级经济师，主要从事油气储运方面的研究。E-mail：tlmytzjzx@163.com
周兆明，1983年生，男，汉族，河南南阳人，副教授，博士，主要从事油气设施健康安全监测及检测的研究。E-mail：zhouzhaom@126.com
基金资助:
中国海洋石油有限公司“十四五”重大科技项目（KJGG2022 0602）

Numerical and Experimental Study of Coriolis Flowmeter Based on Fluid-structure Interaction

XI Zhandong¹, DENG Yong¹, XIONG Ming¹, ZHAO Huaigang¹, ZHOU Zhaoming²

1. Southwest Pipeline Company, PipeChina, Chengdu, Sichuan 610218, China;
2. School of Mechanical Engineering, Southwest Petroleum University, Chengdu, Sichuan 610500, China

Received:2022-11-27 Published:2025-07-11

摘要/Abstract

摘要： 针对管道科里奥利质量流量计(Coriolis Mass Flowmeter，CMF)计量超差问题，开展了流固耦合状态下科里奥利流量计的振动特性研究。以西南管道典型CMF300科氏质量流量计为例，采用ANSYS流固耦合有限元技术，对科氏流量计进行了流固耦合模态振动分析和实验研究。结果表明：1) 计算得到第二阶模态的固有频率为科氏质量流量计的激振频率，第六阶模态的固有频率为科氏力频率；2) 有限元模态分析的激振频率为80.043 Hz，模态测试实验的激振频率为83.820 Hz；3) 实验对CMF300的激励频率和驱动频率进行了测试，其结果与有限元计算模型相吻合；4) 建立的数值模型及模态测试方法可以获取每个场站不同科氏质量流量计实际固有频率。研究结果为消除外界干扰对流量计的计量误差提供了理论依据。

关键词: 科里奥利, 质量流量计, 模态分析, 数值计算, 实验研究

Abstract: The vibration characteristics of the Coriolis mass flowmeter in the fluid-structure coupling state were studied in order to solve the metering error problem. Taking a typical CMF300 Coriolis mass flowmeter in a pipeline station as an example, the fluid-structure coupling modal vibration analysis and experimental study of Coriolis flowmeter are carried out by using ANSYS finite element method. The results are as follows: 1) the calculated natural frequency of the second order mode is the excited frequency of Coriolis mass flowmeter, and the natural frequency of the sixth order mode is the Coriolis force frequency; 2) the excitation frequency of finite element modal analysis is 80.043 Hz, and that of experimental test is 83.820 Hz; 3) the excitation frequency and driving frequency of CMF300 are tested, and the experimental results are in good agreement with the finite element model; 4) the numerical model and modal test method can obtain the actual natural frequencies of different Coriolis mass flowmeters at each station. The research conclusion provides a theoretical basis for eliminating the external interference to the metering error of the flowmeter.

Key words: Coriolis, mass flowmeter, modal analysis, numerical calculation, experiment study

中图分类号:

奚占东, 邓勇, 熊明, 赵怀刚, 周兆明. 基于流固耦合的科氏流量计数值及实验研究[J]. 西南石油大学学报(自然科学版), 2025, 47(3): 170-178.

XI Zhandong, DENG Yong, XIONG Ming, ZHAO Huaigang, ZHOU Zhaoming. Numerical and Experimental Study of Coriolis Flowmeter Based on Fluid-structure Interaction[J]. Journal of Southwest Petroleum University(Science & Technology Edition), 2025, 47(3): 170-178.

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基于流固耦合的科氏流量计数值及实验研究

Numerical and Experimental Study of Coriolis Flowmeter Based on Fluid-structure Interaction

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