Design of piezoelectric acoustic transducers for underwater applications

JY Pyun, YH Kim, KK Park - Sensors, 2023 - mdpi.com
Interest in underwater transducers has persisted since the mid-1900s. Underwater
transducers are designed in various shapes using various materials depending on the …

Effect of concave stave on class I barrel-stave flextensional transducer

D Teng, X Liu, F Gao - Micromachines, 2021 - mdpi.com
To meet the requirements of low frequency, high power, small size and light weight, a type of
Class I barrel-stave flextensional transducer employing improved concave stave is …

Piezoelectricity in n = 2 Ruddlesden–Popper Ferroelectric Oxides

KE Hasin, N Pokhrel, EA Nowadnick - Chemistry of Materials, 2024 - ACS Publications
We present first-principles calculations of piezoelectric tensors for the n= 2 Ruddlesden–
Popper ferroelectrics Ca3Ti2O7, Sr3Zr2O7, Sr3Sn2O7, and Li2SrNb2O7. Our computed …

Tonpilz transducer head mass selection based on excitation signal type

C Wang, Y Lan, W Cao - Applied Acoustics, 2021 - Elsevier
The head mass as front-end material is an essential component of Tonpilz transducers. The
transmission mechanism of head mass under excitations of continuous wave and short …

Z-Structured piezoelectric transducers: a new approach for low-frequency small-size underwater projectors

D Teng - IEEE Sensors Journal, 2023 - ieeexplore.ieee.org
In the ocean engineering applications, the underwater projector with the performance of low
frequency, small size, lightweight, and high power is urgently needed. To meet these …

Electro-mechano-acoustical equivalent circuit model of z-structured piezoelectric transducer

D Teng, J Wang - International Journal of Mechanical Sciences, 2024 - Elsevier
To meet the demands of low frequency, small size, light weight and high power in the
underwater application, a z-structured piezoelectric transducer (ZPT) is innovated, and its …

Research and fabrication of broadband ring flextensional underwater transducer

J Hu, L Hong, L Yin, Y Lan, H Sun, R Guo - Sensors, 2021 - mdpi.com
At present, high-speed underwater acoustic communication requires underwater
transducers with the characteristics of low frequency and broadband. The low-frequency …

Design of low-frequency broadband flextensional transducers based on combined particle swarm optimization and finite element method

J Zheng, S Li, B Wang - Smart Materials and Structures, 2021 - iopscience.iop.org
For designing underwater acoustic transducers, it is usually very difficult and time-
consuming to determine multiple parameters simultaneously. Therefore, a novel design …

[HTML][HTML] Design of Wideband Flextensional Hydrophone

G Kim, D Kim, Y Roh - Sensors, 2024 - mdpi.com
Flextensional transducers have been widely used as low-frequency projectors, and these
characteristics can be used to develop hydrophones with wider receiver bandwidth and …

Spiral sound wave transducer based on the longitudinal vibration

W Lu, Y Lan, R Guo, Q Zhang, S Li, T Zhou - Sensors, 2018 - mdpi.com
A spiral sound wave transducer comprised of longitudinal vibrating elements has been
proposed. This transducer was made from eight uniform radial distributed longitudinal …