Dependence of the Dynamic Mechanical and Acoustic Properties of the “Transducer - Electroelastic Screen” System on the Frequency of Electrical Excitation of the Screen
| Authors | O.V. Bogdanov1 , O.H. Leiko1 , A.V. Derepa2 |
| Affiliations |
1National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”, 03056, Kyiv, Ukraine 2The Central Scientific Research Institute of Armament and Military Equipment of the Armed Forces of Ukraine, 03049 Kyiv, Ukraine |
| Е-mail | oleksiib@gmail.com |
| Issue | Volume 16, Year 2024, Number 6 |
| Dates | Received 15 September 2024; revised manuscript received 14 December 2024; published online 23 December 2024 |
| Citation | O.V. Bogdanov, O.H. Leiko, et al., J. Nano- Electron. Phys. 16 No 6, 06011 (2024) |
| DOI | https://doi.org/10.21272/jnep.16(6).06011 |
| PACS Number(s) | 77.65.Dq |
| Keywords | Element "transducer-electroelastic screen", Operational management, Mechanical field, Dynamic properties (3) , Active acoustic screen, Mechanical fields. |
| Annotation |
The solution to the problem of the multi-functionality of acoustic location devices is connected with creating opportunities for operational management of the characteristics of their acoustic systems. For this, their acoustic screens must be made in electroelastic bodies. For a typical element of such a system, consisting of a transducer and an electroelastic acoustic screen, the problem of determining analytical ratios describing the mechanical, acoustic, and electric fields of this element is solved by coupled fields in multi-coupled regions. At the same time, the mutual connection of acoustic fields during their formation, the mutual influence of energy transformation and formation processes, the influence of the process of operational management of the characteristics of the electroelastic acoustic screen, and the reaction of the surrounding medium to the excitation of acoustic waves in them are taken into account. As a result of the analysis of the results of the numerical experiment for the construction options of a typical element with the same and different frequencies of the main resonances of the transducer and the screen, the dependence of the mechanical and acoustic dynamic properties of the element during the operational change of the screen characteristics was established and compared. The regularities of these properties for different frequency ranges are determined, and their physical justification is given. |
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List of References |
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