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Author:

张学聪 (张学聪.) | 何存富 (何存富.) (Scholars:何存富) | 吕炎 (吕炎.) | 吴斌 (吴斌.)

Indexed by:

CQVIP PKU CSCD

Abstract:

针对厚壁管道的检测,提出并研制了一种新型的超声导波阵列传感器,其特点是声束窄、能量集中.首先,选取了对厚壁管道内外表面缺陷均敏感的周向导波模态,确定了激励该模态的入射角度及频率;然后,对阵元间距为0.5λ~1.0λ、阵元个数为4~8的传感器进行了声场的有限元仿真优化,选取了最优的阵元个数与阵元间距.最后,制作了传感器实物并进行了声场指向性测量.实验结果表明,该传感器相较于传统单阵元传感器,指向性好,能量集中.

Keyword:

厚壁管道 传感器优化 阵列传感器 超声导波 指向性

Author Community:

  • [ 1 ] 北京工业大学机械工程与应用电子技术学院

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Source :

北京工业大学学报

Year: 2018

Issue: 05

Volume: 44

Page: 679-686

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 5

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