Title page for ETD etd-10298-151423

Type of Document Dissertation
Author Lomenzo, Richard Allan Jr.
Author's Email Address lomenzor@snoopy.me.vt.edu
URN etd-10298-151423
Title Static Misalignment Effects is a Self-Tracking Laser Vibrometry System for Rotating Bladed Disks
Degree PhD
Department Mechanical Engineering
Advisory Committee
Advisor Name Title
Barker, Andy
Kirk, R. Gordon
Lopez-Dominguez, Jose Carlos
Robertshaw, Harry H.
Wicks, Alfred L. Committee Chair
  • bladed disks
  • laser vibrometry
  • vibration measurement
  • turbomachinery
Date of Defense 1998-10-16
Availability unrestricted
The application of laser Doppler vibrometry to high speed rotating structures has been hampered by technical limitations. Whereas full-field three-dimensional velocity measurements can be made on stationary structures, the capability on rotating structures is limited to low speed, one-dimensional, steady state operation. This work describes the implementation of a self-tracking laser vibrometry system which overcomes many of the limitations of current techniques for vibration measurements on rotating structures. A model of the self-tracker is developed and used to predict the effects of static misalignments on the position and velocity errors. These predictions are supported by experimental results and simplified models of the self-tracker.

NOTE: (02/2011) An updated copy of this ETD was added after there were patron reports of problems with the file.

  Filename       Size       Approximate Download Time (Hours:Minutes:Seconds) 
 28.8 Modem   56K Modem   ISDN (64 Kb)   ISDN (128 Kb)   Higher-speed Access 
  lomenzoetd.pdf 2.73 Mb 00:12:37 00:06:29 00:05:40 00:02:50 00:00:14
  lomenzoetd_2011.pdf 4.11 Mb 00:19:02 00:09:47 00:08:33 00:04:16 00:00:21

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