The Acoustic Impact on Aviation Aggregates Made of Polymer Composite Materials

The features of the acoustic impact on aircraft aggregates made of polymer composite materials are investigated. A technique for setting the wave angle is described; it equalizes the scale factors of both measuring channels of the differential aggregate made of polymer composite materials and compen...

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Bibliographic Details
Published in:Journal of machinery manufacture and reliability 2023-02, Vol.52 (1), p.38-45
Main Authors: Sha, Minggong, Goncharenko, V. I., Yurov, V. M., Oleshko, V. S., Sun, Ying
Format: Article
Language:English
Subjects:
Aggregates
Angular velocity
Composite materials
Damping
Engineering
Error analysis
Machines
Manufacturing
Mathematical analysis
Oscillation modes
Polymer matrix composites
Polymers
Processes
Reliability
Strength
Wear Resistance of Machines and Structures
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Summary:The features of the acoustic impact on aircraft aggregates made of polymer composite materials are investigated. A technique for setting the wave angle is described; it equalizes the scale factors of both measuring channels of the differential aggregate made of polymer composite materials and compensates for the cross-damping error. Analytical expressions are obtained for the scale factor and the zero offset of the differential aggregate made of polymer composite materials. This scale factor, in contrast to the discrete noise oscillation mode, does not depend on the resonant oscillation amplitude and frequency. The operating mode of the aggregate made of polymer composite materials is shown to have an ability to compensate for the resonator frequency difference, when measuring the angular velocity, by means of the control system.
ISSN:1052-6188
1934-9394
DOI:10.3103/S1052618823010119