Creating a reference plane ultrasonic wave in a fluid using a plane piezoelectric transducer with a large wave dimension

Krokhmal, A.A.; Nikolaev, D.A.; Tsysar, S.A.; Sapozhnikov, O.A.

Информация о цитировании статьи получена из Web of Science, Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 14 октября 2020 г.

Авторы: Krokhmal A.A., Nikolaev D.A., Tsysar S.A., Sapozhnikov O.A.
Журнал: Acoustical Physics
Том: 66
Номер: 5
Год издания: 2020
Издательство: Maik Nauka/Interperiodica Publishing
Местоположение издательства: Russian Federation
Первая страница: 449
Последняя страница: 460
DOI: 10.1134/S1063771020050061
Аннотация: The article discusses the possibility of using a plane piezoelectric transducer with a large wave dimension as the source of a reference plane ultrasonic wave, which can be used to calibrate hydrophones in the megahertz frequency range. In the experiment, the source was a piezoceramic disk with a diameter of 100 mm and a thickness resonance frequency of about 1 MHz. A method was developed for determining the sensitivity of the transducer in the transmit mode by measuring its electrical impedance. A methodology is proposed for finding the parameters of the plane wave component of the emitted acoustic pulse from a known electrical signal on a generator. It is shown that the acoustic pulse profile measured by a calibrated hydrophone near the source agrees well with the theoretically predicted signal.
Добавил в систему: Крохмаль Алиса Александровна

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