|本期目录/Table of Contents|

[1]蔡亮学,林梓巍,官亮,等.超声内检测换能器环境压力波动特性实验研究*[J].中国安全生产科学技术,2022,18(12):122-128.[doi:10.11731/j.issn.1673-193x.2022.12.017]
　CAI Liangxue,LIN Ziwei,GUAN Liang,et al.Experimental study on fluctuation characteristics of ambient pressure around ultrasonic transducer during internal detection[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2022,18(12):122-128.[doi:10.11731/j.issn.1673-193x.2022.12.017]
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超声内检测换能器环境压力波动特性实验研究*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
18
期数:
2022年12期
页码:
122-128
栏目:
职业安全卫生管理与技术
出版日期:
2022-12-31

文章信息/Info

Title:
Experimental study on fluctuation characteristics of ambient pressure around ultrasonic transducer during internal detection
文章编号:
1673-193X(2022)-12-0122-07
作者:
蔡亮学; 林梓巍; 官亮; 徐广丽
（1.西南石油大学 石油与天然气工程学院，四川 成都 610500；
2.油气消防四川省重点实验室，四川 成都 610500）
Author(s):
CAI Liangxue;  LIN Ziwei;  GUAN Liang;  XU Guangli
(1.Petroleum Engineering School,Southwest Petroleum University,Chengdu Sichuan 610500,China;
2.Oil & Gas Fire Protection Key Laboratory of Sichuan Province,Chengdu Sichuan 610500,China)
关键词:
超声波; 内检测; 压力波动; 管道; 换能器
Keywords:
ultrasonic;  internal detection;  pressure fluctuation;  pipeline;  transducer
分类号:
TE973;X937
DOI:
10.11731/j.issn.1673-193x.2022.12.017
文献标志码:
A
摘要:
为解决超声内检测器在线检测含缺陷油气管道时，作为耦合液的管输介质压力高且存在高频波动，对换能器工作性能存在不利影响的问题。搭建超声内检测模拟实验平台，测试超声内检测器模拟装置在线运行过程中管输压力的高频数据，结合内检测器工作性能参数，分析系统环境压力大小及变化速率的高频波动特性。通过调节控制阀和离心泵工作频率2种方式，实施不同管输压力、流量组合下的内检测实验，得到8组不同实验工况数据。研究结果表明：模拟器通过直管段、弯管段、倾斜段时压力变化范围存在显著差异，且波动幅度较大，本文实验中压力波动范围最大值约1.96 MPa；高频状态下，耦合液压力变化速率较大，高达18.54 MPa/ms。研究结果可为管道超声内检测声场有限元模拟分析提供建模初始数据参考。
Abstract:
In order to solve the problem that the working performance of transducer is affected by the high pressure and high frequency fluctuation of the pipeline transportation medium as the coupling liquid in the on-line detection of defective oil and gas pipelines by the ultrasonic internal detector,a simulated experimental platform of ultrasonic internal detection was built to test the high frequency data of pipeline transportation pressure during the on-line operation of internal detector simulation device.The high frequency fluctuation characteristics,including the pipeline transportation pressure and its change rate,were analyzed by combining with the working performance parameters of the internal detector.The internal detection experiments under different pipeline transportation pressures and flow rates were conducted through regulating the control valve or the operating frequency of centrifugal pump,and 8 groups of data under different experimental conditions were obtained.The result showed that there were significant difference and large fluctuation range in the range of pressure variation when the simulator passed through the straight pipe section,elbow section and inclined section,and the maximum fluctuation range of pressure in the experiments was 1.96 MPa.At high frequency,the pressure change rate of the coupling fluid was large and up to 18.54 MPa/ms.The results can provide initial modeling data for the finite element simulation analysis on the acoustic field in ultrasonic internal inspection of pipelines.

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相似文献/References:

[1]姜好,张鹏,王大庆.超声波和漏磁检测结果的对比分析[J].中国安全生产科学技术,2014,10(11):128.[doi:10.11731/j.issn.1673-193x.2014.11.022]
　JIANG Hao,ZHANG Peng,WANG Da-qing.Comparative analysis on testing results of ultrasonic and magnetic flux leakage[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2014,10(12):128.[doi:10.11731/j.issn.1673-193x.2014.11.022]
[2]杨辉,臧红,王富祥,等.基于有限元的管道凹陷回弹与回圆分析*[J].中国安全生产科学技术,2024,20(4):163.[doi:10.11731/j.issn.1673-193x.2024.04.023]
　YANG Hui,ZANG Hong,WANG Fuxiang,et al.Springback and rerounding analysis of pipe dent based on finite element[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2024,20(12):163.[doi:10.11731/j.issn.1673-193x.2024.04.023]

备注/Memo

备注/Memo:
收稿日期： 2022-02-17
* 基金项目： 山东省油气储运安全重点实验室开放基金项目（19CX05007A）
作者简介： 蔡亮学，博士，讲师，主要研究方向为油气管道在线内检测研发、油气管道非开挖施工技术、非金属管道适用性评价等。
通信作者： 徐广丽，博士，副教授，主要研究方向为油气管道在线内检测研发、油气多相流动保障、非金属管道适用性评价等。
更新日期/Last Update: 2023-01-16