Main Article Content
The "through" problem of radiation of sound by a screened circular cylindrical hydroacoustic system was solved by the method of coupled fields in multiply connected regions. At the same time, the specific values of the electric excitation voltages of the radiators are put in correspondence with the sound pressures formed by the system at any point of the environment surrounding the system. Analytical expressions describing the acoustic, mechanical and electrical fields of the system are obtained. These expressions take into account the interaction of the elements of the system in the external environment during the formation of the acoustic field and the interaction of these physical fields in piezoceramic radiators with circular polarization when they convert electric energy to acoustic. A violation of the radial symmetry of the acoustic loading of the radiators in the system is established and quantitated, while maintaining the radial symmetry of their electric loading. A consequence of this is the expansion and enrichment of the spectrum of natural frequencies of the radiators in the system. Resonance frequencies appear, which are 1.5-3 times smaller than the natural frequency of piezoceramic envelopes of radiators with comparable radiation efficiency.
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How to Cite
 Grinchenko V.T., Vovk I.V., Matsypura V.T., Volnovye zadachi akustiki [Wave problems of acoustics], Interservis, 2013.
 Vovk I.V., Nontraditional method of resonance frequency control of low-frequency underwater acoustic transdusers // Proc. of the European Conference on Underwater Acoustics, Luxembourg, 14-18 September, 1992, pp. 631-634.
 Vovk I.V., Grinchenko V.T., Oliunik V.N., On the method of construction of a directed low-frequency hidroacoustic radiator // Proceedings of the 2th European Conference on Underwater Acoustics, Lyngbu, Denmark, 4-9 July 1994, pp. 573-578.
 Vovk I.V., Oliunik V.N., Sound radiation in a cylindrical piezoelastic shell with asymmetric insertion, Journal of Acoustic Society of America, Vol.99, No.1, 1996, pp. 133-138.
 Aronov B. , The energy method for analyzing the piezoelectric electroacoustic transducers, Journal of Acoustic Society of America, Vol. 117, No.1, 2005, pp. 210-220.
 Aronov B., Experimental methods for investigating the acoustical interaction between transducers, Journal of Acoustic Society of America, Vol. 119, No. 6, 2006, pp. 3822-3830.
 Didkovsky V.S., Leiko O.G., Savin V.G.. Elektroakustychni piezokeramichni peretvoriuvachi. (Rozrakhunok, proektuvannia, konstruiuvannia) [Electroacoustic piezoceramic transducers (calculation, design, construction)], Imeks-LTD, 2006.
 Korzhik A.V., Primenenie metoda «skvoznoy» zadachi k issledovaniyu amplitudno-chastotnyih harakteristik akusticheskogo polya priemnogo tsilindricheskogo pezokeramicheskogo preobrazovatelya s razreznyimi elektrodami [Application of the "through" problem to the study of the amplitude-frequency characteristics of the acoustic field of a receiving cylindrical piezoceramic transducer with cut-off electrodes], Elektronika i svyaz [Electronics and Communication], No. 3, 2010, pp. 160-166.
 Ebenezer D.D., Ramesh R., Exact analysis of axially polarized piezoelectric ceramic cylinder with certain uniform boundary conditions, Curr. Sci., Vol. 85, No. 8, 2003, pp. 1173-1179.