油箱泄漏的超声检测方法
Ultrasonic Leak Detection Methods of Fuel Tank
摘 要
分析了影响油箱泄漏超声检测中气泡检出率的相关因素, 研究了超声检测探头声场特点, 提出了8路并行循环检测的工作模式, 最大限度地提高了每个探头的重复工作频率。将自行搭建的8路并行超声波检测装置和传统超声测漏仪器进行了对比试验。结果表明, 相对于单路扫描工作方式, 多路并行检测对产生时间间隔较大气泡和单个气泡具有较高的检出率, 可以检出更微小的缺陷(微米量级)。
多路并行检测
声场建模
超声探头
Fuel tank leak detection
Multi-channel parallel detection
Sound field simulation
Ultrasonic transducer
Abstract
The paper analyzed the factors influencing the bubble detection rate in ultrasonic leak detection for fuel tank, studied the characteristics of ultrasonic reflection field of transducer, and proposed a new 8-channel parallel cyclic scanning detection mode, maximizing the repetition frequency of each transducer. Then comparative experiment tests were conducted between our 8-channel parallel ultrasonic leak detector and the traditional one. The results showed that, compared to single-channel scanning mode, the multi-channel parallel testing method had much higher detection rates when the single air bubble or long time interval bubbles needed to be detected. So this method was more effective to detect smaller tank leakage (μm diameter).
中图分类号 TG115.28 DOI 10.11973/wsjc201605007
所属栏目 试验研究
基金项目 北京高等学校青年英才计划资助项目(YETP0572)
收稿日期 2015/9/2
修改稿日期
网络出版日期
作者单位点击查看
备注薛花(1991-), 女, 硕士研究生, 主要研究方向为无损检测。
引用该论文: XUE Hua,WU Di,WANG Ya-ping,ZHAO Zhen-ning,CHEN Tian-fu,TENG Yong-ping. Ultrasonic Leak Detection Methods of Fuel Tank[J]. Nondestructive Testing, 2016, 38(5): 26～29
薛花,吴迪,王亚平,赵振宁,陈天夫,滕永平. 油箱泄漏的超声检测方法[J]. 无损检测, 2016, 38(5): 26～29
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参考文献
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【5】ALLES E J, ZHU Y, DONGEN K W A V, et al. Rapid ransient pressurefield computations in the nearfield of circular transducers using frequency-domain time-space decomposition［J］. Ultrasonic Imaging, 2012, 34(4): 237-260.
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【2】吴迪, 王亚平, 滕永平.超声波油箱测漏方法研究［C］.第十届无损检测学会论文集, 南昌: ［s.n］, 2013: 246-250.
【3】PISTONE, ELISABETTA, RIZZO, et al. On the use of an array of ultrasonic immersion transducers for the nondestructive testing of immersed plates ［J］. Nondestructive Testing and Evaluation, 2015, 30(1): 26-38.
【4】蒋危平.超声波探伤仪及数字化超声波探伤仪［J］.无损检测, 1997, 19(2): 55-59.
【5】ALLES E J, ZHU Y, DONGEN K W A V, et al. Rapid ransient pressurefield computations in the nearfield of circular transducers using frequency-domain time-space decomposition［J］. Ultrasonic Imaging, 2012, 34(4): 237-260.
【6】KHELLADI H, DJELOUAH H. The size effects of a rigid reflector in the scattering of transient ultrasonic field ［J］.Ultrasonics, 1999, 37(2): 697-702.
【7】JIAN X, WEIGHT J P, GRATTAN K T V. A model for transient ultrasonic field in solid generated by a transducer in immersion ［J］. Sensors and Actuators, 2006, 133(5): 439-446.
【8】BELGROUNE D, BELLEVAL J F D, DJELOUAH H. A theoretical study of ultrasonic wave transmission through a fluid-solid interface ［J］. Ultrasonic, 2008, 1(3): 1-11.
【9】徐圆飞.基于小球反射法的超声换能器脉冲声场模型研究［J］.仪器仪表学报, 2010, 31(2): 254-255.
【10】蒋危平, 方京.超声检测学［M］.武汉: 武汉测绘科技大学出版社, 1991: 11-18.
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