[Lindsay] has a wonderful writeup about a new toy in the shop, an ultrasonic transducer. The 28kHz, 70W bolt-clamped Langevin transducer by itself is not much use, you need a power supply, a horn t… ...

In one study, a z-structured piezoelectric transducer was developed to achieve a low-frequency, compact design by utilising a bender beam that couples longitudinal and bending vibrations—a ...