STUDY OF VIBRATION
FORMS OF GTE ELEMENTS BY METHODS OF HOLOGRAPHIC INTERFEROMETRY IN REAL TIME
M.R. Tkach, J.G. Zolotoi, D.V. Dovgan, I.J. Zhuk
The experimental determination
of dynamic parameters of GTE elements using holographic vibrometry
in real time are consider. The influence of parasitic interference fringes is
excluded and recovery modes of vibration is carried
out according to the computer by scanning photometry interferograms
strobe pulse phase of the mechanical vibrations. The method of interferogram digitization allows without reference to the
zero fringe and to determine the spectrum of natural
frequencies and modes of vibration of construction using one reference hologram
is presented.
Key
words: decoding holographic interferograms, GTE
blade, strobogolografic vibrometry, self-resonant
frequency, the vibration forms.