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Noncontact Measurement for Vibration of Rotating Blades with Optical Detectors.
Turbomachinery, 1995 openaire +1 more source
Measurement technique for a turbine blade ( strength and vibration-related ).
Turbomachinery, 1991 openaire +1 more source
Nonintrusive turbomachine blade vibration measurement system
Mechanical Systems and Signal Processing, 2007 Conventional measurement systems for monitoring blade vibration generally use strain gauges attached to the surface of blades. Alternative noncontact measurement techniques are investigated in order to minimise the adverse effects of this method. In this paper, a new method based on groups of regularly spaced optical sensors and on apposite treatments ...
Beauseroy, Pierre, Lengellé, Régis
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Measurement Methodology: Blade Tip Timing: A Non-Contact Blade Vibration Measurement Method
IEEE Instrumentation and Measurement Magazine, 2023Haoqi Li, Shuming Wu, Zhibo Yang
exaly +2 more sources
Device for measuring vibrations on rotating blade
The Journal of the Acoustical Society of America, 1993A device for measuring vibrations of a rotating blade of a gas turbine includes an optical probe that is mounted within a casing of the rotating blade. The probe includes a light projecting and a light receiving optical fiber along with associated focusing lenses and a protective glass. In addition, liquid coolant channels are provided within the probe
Hideyasu Iinuma +2 more
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Compressor Blade Vibration Measurements Using Blade Image Velocimetry
Journal of Vibration and Acoustics, 2015This paper discusses the application of a novel vibration measurement technique, termed blade image velocimetry (BIV), to a high-speed axial compressor. Measurements of compressor blade vibration can be difficult to obtain and are critical to aeromechanical design validation.
Paul L. Mikrut +2 more
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A noninterference blade vibration measurement system for gas turbineengines
23rd Joint Propulsion Conference, 1987A noninterfering blade-vibration measurement system has been demonstrated in tests of a gas turbine firststage fan. Conceptual design of the system, including its theory, design of case mounted probes, and data acquisition and signal-processing hardware, was done in a previous effort.
William B. Watkins, Ray M. Chi
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Laser Vibrometry Measurements of Rotating Blade Vibrations
Journal of Engineering for Gas Turbines and Power, 1995One of the most important design factors in modern turbomachinery is the vibration of turbomachinery blading. There is a need for developing an in-service, noncontacting, noninterfering method for the measurement and monitoring of gas turbine, jet engine, and steam turbine blade vibrations and stresses.
A. K. Reinhardt +2 more
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