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Recent developments in vibrating-plate macrosonic transducers

AuthorsGallego Juárez, Juan Antonio; Rodríguez Corral, Germán; Riera, Enrique; Vázquez Martínez, Fernando; Campos-Pozuelo, Cleofé; Acosta Aparicio, Víctor Manuel
KeywordsHigh-power transducers
Gas- and liquid-borne transducers
Issue Date2002
CitationUltrasonics 40 : 889-893 (2002)
AbstractAs is known, the stepped-plate transducer [Ultrasonics 16 (6) (1978) 267] represents an optimum system for the efficient generation of high-intensity sonic and ultrasonic radiation in fluid media. Nevertheless, the design of this transducer may be difficult to adapt to some specific problems. Such is the case of the treatment of large volumes in industrial installations. A solution is the enlargement of the surface of the radiating plate. However, that means to work at high-order vibration modes which implies numerous practical problems. Another case is the application of the stepped-plate transducer for the generation at sonic frequencies where the height of the steps of the radiating plate, which has to be half a wavelength of the radiation, becomes too high and it makes the transducer construction impractical. To face these specific situations a series of new designs in transducer development have been recently carried out. This paper presents the characteristics of two new transducer devices, one for the treatment of large industrial volumes and the other for lowfrequency sonic applications. Both devices are based on vibrating-plate radiators and represent a novel approach to practical existing problems.
Description5 páginas, 7 figuras
Publisher version (URL)http://dx.doi.org/10.1016/S0041-624X(02)00220-2
Appears in Collections:(IA) Artículos
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