By John L. Butler, Charles H. Sherman
This stronger and up-to-date moment version covers the idea, improvement, and layout of electro-acoustic transducers for underwater purposes. This extremely popular textual content discusses the fundamentals of piezoelectric and magnetostrictive transducers which are at present getting used in addition to promising new designs. It offers the fundamental acoustics in addition to the explicit acoustics facts wanted in transducer layout and evaluate. A huge diversity of designs of projectors and hydrophones are defined intimately in addition to equipment of modeling, assessment, and dimension. research of projector and hydrophone transducer arrays, together with the consequences of mutual radiation impedance and numerical versions for parts and arrays, also are coated. The booklet comprises new advances in transducer layout and transducer fabrics and has been thoroughly reorganized to be appropriate to be used as a textbook, in addition to a reference or instruction manual. the hot variation includes corrections to the 1st version, end-of-chapter workouts, and options to chose workouts. every one bankruptcy incorporates a brief creation, end-of-chapter precis, and an in depth reference record delivering the reader extra distinct details and historic context. A word list of keywords is additionally integrated on the end.
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This superior and up-to-date moment variation covers the idea, improvement, and layout of electro-acoustic transducers for underwater functions. This very popular textual content discusses the fundamentals of piezoelectric and magnetostrictive transducers which are presently getting used in addition to promising new designs.
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Additional info for Transducers and Arrays for Underwater Sound (Underwater Acoustics)
Wyld, Meeting the Submarine Challenge - A Short History of the Naval Underwater Systems Center, U S Government Printing Office, (1997) 9. S. R. von Hippel, Physics Today, p. B. Gray, US Patent 2,486,560, Nov 1, 1949, filed Sept. 20 (1946) 10. B. S. Roth, and S. Marzullo, J. Appl. Phys. 25, 809-810, 1954; J. Research Natl. Bur. Standards, 55, 239 (1955) 11. New Mountain Innovations, 6 Hawthorne Rd. Old Lyme, Connecticut 12. R. Ebersole, “Sonar takes bay research to new depths”, Nature Conservancy Magazine, 52, 14 (2002) 13.
For example, the carbon button microphone, which contains an electrical source and a pressure dependent resistance, is not a passive transducer. 4. 1. Electromechanical Coupling Coefficient While the transduction coefficients in Eqs. 9) that relate electrical and mechanical variables are measures of electromechanical coupling, a more general measure is needed that facilitates comparison of different types of transducers and different designs within a given type. The electromechanical coupling coefficient (also called electromechanical coupling factor), denoted by k, fills this need.
Acoust. Soc. , 105, 3185-3201 (1999) 14. Echoes, Acoust. Soc. , Acoustics in the News, 13, No. 1 (2003) 15. N. Makris, “Probing for an ocean on Jupiter’s moon Europa with natural sound sources”, Echoes, Acoust. Soc. , 11, No. 3 (2001) 16. D. Rossing, Echoes, Scanning the Journals, Acoust. Soc. , 12, No. 4 (2002) 17. L. Foldy and H. Primikoff, “General theory of passive linear electroacoustic transducers and the electroacoustic reciprocity theorem”, J. Acoust. Soc. , Part I, 17, 109, 1945; Part II, 19, 50 (1947) 18.
Transducers and Arrays for Underwater Sound (Underwater Acoustics) by John L. Butler, Charles H. Sherman