10.14489/td.2024.06.pp.018-027

2024, 06 June

DOI: 10.14489/td.2024.06.pp.018-027

Sereznov A. N., Stepanova L. N., Kabanov S. I., Chernova V. V., Kuznetsov A. B.
ACOUSTIC EMISSION CONTROL OF DEFECTS IN THE AIRCRAFT WING ATTACHMENT ZONE IN FLIGHT
(pp. 18-27)

Abstract. The results of studies obtained while monitoring the structure of the Tu-134A aircraft in flight are presented. On board the aircraft were installed two four-channel blocks of the microprocessor acoustic-emission (AE) system STsAD-16.12 and two antennas, each of which was connected to one of the system blocks. One of the antennas consisted of four piezoelectric acoustic emission transducers (PAEs), and the other antenna used two PAE sensors and two fiber optic sensors (FOS). Signals from the PAE and FOS sensors were received at the input of the measuring channels of each block of the system, processed and digitally entered into the computer. Then a linear location was built, carried out by two AE sensors installed on the frame, and a total count of AE signals over time, recorded during the takeoff of the aircraft, during its flight and landing.

Keywords: acoustic emission, piezoelectric and fiber-optic sensors, aircraft, flight, informative parameters of acoustic emission signals.

+ - About the Authors Click to collapse

A. N. Sereznov, L. N. Stepanova, S. I. Kabanov (FAU “Siberian Aviation Research Institute named after S. A. Chaplygina”, Novosibirsk, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра. , Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра. , Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.
V. V. Chernova (Siberian State Transport University, Novosibirsk, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.
A. B. Kuznetsov (FAU “Siberian Aviation Research Institute named after S. A. Chaplygina”, Novosibirsk, Russia) E-mail: Данный адрес e-mail защищен от спам-ботов, Вам необходимо включить Javascript для его просмотра.

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