Power Transducers for Sonics and Ultrasonics

The up-to-date review articles in this book on modern developments in the field of sonic and ultra sonic power transducers present various aspects, applications, and possible future developments that are of interest to engineers and researchers.

Introductory Lecture.- 1. Transducer Needs for Low-Frequency Sonar.- 2. Transducer Needs for Oceanography.- 3. Transducer Needs for Petroleum Acoustics.- 4. Transducer Needs for Macrosonics.- 5. Class IV Flextensional Transducers.- 6. The Ring-Shell Flextensional Transducer (Class V).- 7. Transducers for Great Depths.- 8. Physics of Array Element Interaction Phenomena.- 9. Numerical Modeling of Array Interactions.- 10. Magnetostrictive Materials.- 11. Modeling and Characterization of the Magnetostrictive Coupling.- 12. A Magnetostrictive Transducer Design.- 13. Magnetohydrodynamic and Thermoacoustic Mechanisms for Generation of Sound in Seawater.- 14. A Low-Frequency, Tow-Powered Sound Source.- 15. Electronic Needs for High-Power Transducers.- 16. Electronic Systems Modeling.- 17. Calibration of Underwater Acoustic Transducers at NRL/USRD.- 18. Measurement Methods for Low-Frequency Transducers.- 19. Poster Session Abstracts.