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December 25, 2012

Muradov I.B., Krjukov D.B., Kazantsev I.A., Shatalov N.V. Noise machines reduction through the use of piezoelectric ceramic transducers

Noise machines reduction through the use of piezoelectric ceramic transducers

Muradov I.B., Krjukov D.B., Kazantsev I.A., Shatalov N.V.

A scheme is proposed, in which the locations of the noise sources, special housings with ferroelectric ceramics coating that through direct and inverse piezoelectric record an acoustic signal with built-in microprocessor analyzes it and generates a response in anti-acoustic wave. As the technology of coatings applied ferroelectric ceramics gas-dynamic spraying. In this paper the dependence of the acoustic power of the change in the area of the electrode surface and the polarization voltage. To increase the effectiveness of noise reduction of working arrangements, where their amplitude – frequency characteristics are very different from each other, including the width of the preferred frequencies proposed multicell design ferroelectric ceramics layer.

Keywords: piezoelectric effect, acoustic power, frequency response, resonance frequency.

References

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  2. Sverdlin G.M.  Applied Underwater Acoustics. L.: Shipbuilding, 1990. – 320 p.
  3. Rimsky-Korsakov A.V. Electroacoustics. M.: Communications, 1973. 272 p.

«Engineering industry and life safety» №4 (14), 2012. Pages: 55-57

Download full text:Muradov I.B., Krjukov D.B., Kazantsev I.A., Shatalov N.V. Noise machines reduction through the use of piezoelectric ceramic transducers

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Muradov Ilya Borisovich – Ph.D., Penza State University, Penza, Russia. E-mail: mibweld@yandex.ru

Krjukov Dmitriy Borisovich – Ph.D., Penza State University, Penza, Russia. E-mail: mibweld@yandex.ru

Kazantsev Igor Alekseevich – Ph.D., Penza State University, Penza, Russia. E-mail: mibweld@yandex.ru

Shatalov Nikolay Vladimirovich – Student, Penza State University, Penza, Russia. E-mail: mibweld@yandex.ru



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