Study on Dry-Coupled Ultrasonic Transducer for Solid Rocket Motor Detection
Cai Xiaofeng,
N. P. Yadav,
Wang Jun
Abstract:In order to develop a dry-coupled ultrasonic transducer that can detect the internal defects of a solid rocket motor, the piezoelectric vibrator was studied by the finite element method with multiple physical field couplings. Firstly, the vibration modes and corresponding resonant frequencies
of the piezoelectric vibrators at 20–300 kHz without power were solved, and it was determined that the piezoelectric vibrator can adopt the structure form of bi-laminated, series three laminated, and parallel three lamin… Show more
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