Speckle interferometer setup for continuous recording of GTE structure vibration states
- Authors: Zhuzhukin A.I.1, Nepein K.G.1, Sharafutdinova O.G.1
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Affiliations:
- PJSC “UEC-Kuznetsov”
- Issue: Vol 11, No 2 (2025): :27.06.2025
- Pages: 29-37
- Section: Articles
- URL: https://bakhtiniada.ru/2409-4579/article/view/312413
- DOI: https://doi.org/10.18287/2409-4579-2025-11-2-29-37
- ID: 312413
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Abstract
The developed speckle interferometer setup is intended for automatic study of vibration modes and frequencies of gas turbine engine structures by scanning in a given frequency range. The correlation of each snapshot with a specific vibration frequency of the object is provided through harmonic signal scanning and video stream control using a single computer program. The program result is an interferometric film with information on the object vibration state at all frequencies in a given range. Resonance frequencies are determined by the statistical criterion of speckle interferograms. The developed setup was used to investigate compressor blade vibration modes and frequencies. The transition of compressor guide vane vibration from one mode to another with an increase in the exciting signal frequency was studied.
About the authors
Anatoliy I. Zhuzhukin
PJSC “UEC-Kuznetsov”
Author for correspondence.
Email: dynvibro@ssau.ru
Candidate of Science (Engineering), Design Engineer
Russian Federation, Samara, Russian FederationKirill G. Nepein
PJSC “UEC-Kuznetsov”
Email: dynvibro@ssau.ru
Head of Research and Development Division
Russian Federation, Samara, Russian FederationOl'ga G. Sharafutdinova
PJSC “UEC-Kuznetsov”
Email: dynvibro@ssau.ru
Design Engineer
Russian Federation, Samara, Russian FederationReferences
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