Propagation Characteristics of Circumferential Guided Waves of Taper Pipe
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摘要: 对周向导波Lamb波在变径管中的传播特性进行了研究。通过仿真软件WAVE 3000选取检测变径管所用探头的楔块角度。针对不同倾斜角度的变径管,分析了周向Lamb波的传播特性, 研究了不同激励频率的周向Lamb波在变径管中的传播特性,分析了超声接收信号频散、信噪比等特性,并给出了激励信号的最佳周期数,给变径管周向导波检测提供借鉴。Abstract: In this paper, the propagation characteristics of the taper pipe are studied by the circumferential guided Lamb wave. The wedge angle of the probe used to detect the reducer is selected by simulation software WAVE3000. And the propagation characteristics of the circumferential Lamb waves are analyzed for the different diameters. At the same time, the propagation characteristics of the circumferential Lamb waves with different excitation frequencies in the taper tube are studied, and the characteristics of the dispersion of the received signal and the signal-to-noise ratio are analyzed. The optimal number of excitation signals is given. The above studies provide guidance for circumferential guided wave detection of taper pipe.
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Keywords:
- taper pipe /
- circumferential guided wave /
- Lamb wave /
- ultrasonic propagation
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[1] GAO W, GLORIEUX C, THOEN J. Study of circumference waves and their interaction with defects on cylindrical shells using line-source laser ultrasonics[J]. Journal of Applied Physics, 2002,91(9):6114-6119.
[2] LIU Y, LI Z, GONG K. Detection of a radial crack in annular structures using guided circumferential waves and continuous wavelet transform[J].Mechanical Systems and Signal processing, 2012,30(7):157-167.
[3] ALLEYNE D, CAWLEY P. The long detection of corrosion in pipes using lamb waves[J]. Review of Progress in Quantitative Nondestructive Evaluation, 1995, 14: 2073-2080.
[4] MOON H P, IN S K, YOUNG K Y. Ultrasonic inspection of long steel pipes using Lamb waves[J]. NDT&E International, 1996, 29(1): 13-20.
[5] 宋振华, 王志华, 黄世清, 等. 基于纵向超声导波信号特性的管道损伤检测研究[J]. 机械强度, 2011,33(1): 55-61. [6] LOWE M J S, ALLEYENE D N, CAWLEY P. Defect detection in pipes using guided waves[J]. Ultrasonics, 1998, 36(1): 147-154.
[7] ROSE J L, HONGERHOLT D D, SAMES D J. Laser based guided wave experiments for tubing[J]. Experimental Mechanics, 1997, 37(2):165-168.
[8] 杨胡, 王成. 管道裂纹纵向超声导波检测仿真研究[J].中北大学学报(自然科学版),2006,27(4):348-351. [9] 汤立国, 程建春, 王金兰. 管道中激光激发瞬态导波的理论研究[J].声学学报,2001, 26(6): 489-496. [10] GRACE O D, GOODMAN R R. Circumferential waves on solid cylinders[J]. The Journal of the Acoustical Society of America,1966,39(1): 173-174.
[11] LEFEBVRE J E, ZHANG V, GAZALET J, et al. Legendre polynomial approach for modeling free-ultrasonic waves in multilayered plates[J]. Journal of Applied Physics, 1999,85(7): 3419-3427.
[12] 吴斌, 颉小东, 刘增华. 厚壁管道周向导波检测技术实验研究[J]. 实验力学, 2011,26(5): 625-631. [13] 葛建明, 刘兴林, 戴翔. 基于周向导波的厚壁管道缺陷检测及成像[J]. 无损检测, 2015, 37(8): 39-42. [14] AULD B A. Acoustic fields and waves in solids[M]. Malabar:[s.n], 1990.
[15] 黄松岭. 电磁超声导波理论与应用[M]. 北京:清华大学出版社, 2013.
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