Применение спекл-интерферометрии для исследования колебаний крупногабаритных конструкций газотурбинных двигателей

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Применение спекл-интерферометрии для исследования колебаний…
ISSN 0236-3941. Вестник МГТУ им. Н.Э. Баумана. Сер. Машиностроение. 2017. № 3 73
SPECKLE-INTERFEROMETRY IN INVESTIGATION OF LARGE-SIZE GAS
TURBINE ENGINE VIBRATIONS
A.I. Zhuzhukin
PJSC Kuznetsov, Samara, Russian Federation
Abstract Keywords
We developed a speckle-interferometer plant to investigate
turbo-machinery wheels vibrations. We placed the plant
optical arrangement and the object under investigation on a
massive holographic plate. By using the plant we obtained
frequencies and modes of aircraft engine wheel vibrations.
To investigate the part vibrations, in working area condi-
tions we designed another speckle-interferometer requiring
no interferometer plate (table). With the help of this plant,
we performed investigation of frequencies and modes of fan
blades lot vibrations
Speckle-interferometry, vibration
modes, vibrometry, vibration
measuring, laser speckles
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