Diagnostics of Fracture of the Blower Impeller of Gas Turbine Engine Core by Using the Holographic Interferometry

The results of studies are presented of fatigue-determined failure causes of the blower impeller of aircraft gas turbine engine core based on vibration mode patterns obtained by the holographic interferometry. Recommendations for detuning from the resonance are given that allows the part destruction...

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Bibliographic Details
Published in:Russian aeronautics 2020, Vol.63 (2), p.362-365
Main Authors: Tsareva, A. M., Makaeva, R. Kh, Safina, D. M., Galimova, R. K.
Format: Article
Language:English
Subjects:
Aircraft and Rocket Engine Design and Development
Automotive Engineering
Engineering
Fatigue failure
Gas turbine engines
Holographic interferometry
Impellers
Interferometry
Vibration mode
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Description
Summary:The results of studies are presented of fatigue-determined failure causes of the blower impeller of aircraft gas turbine engine core based on vibration mode patterns obtained by the holographic interferometry. Recommendations for detuning from the resonance are given that allows the part destruction to be eliminated.
ISSN:1068-7998
1934-7901
DOI:10.3103/S1068799820020257