Blade and shaft crack detection using torsional vibration measurements part 2: Resampling to improve effective dynamic range

Noise and Vibration Worldwide

Volumn 32, Issue 2, 2001, Pages 27-30

  Maynard, Kenneth P ^a   Trethewey, Martin ^a  

^a PENNSYLVANIA STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

DETECTORS; LATTICE VIBRATIONS; MECHANICAL VARIABLES CONTROL; NATURAL FREQUENCIES; TORSIONAL STRESS;

BLADE AND SHAFT CRACK DETECTION; IMPROVE EFFECTIVE DYNAMIC RANGE; RESAMPLING; TORSIONAL VIBRATION MEASUREMENTS;

VIBRATION MEASUREMENT;

EID: 0347805008     PISSN: 09574565     EISSN: 09574565     Source Type: Journal    
DOI: 10.1260/0957456011498290     Document Type: Article

References (6)

1. Vance, John M., Rotordynamics of Turbomachinery, John Wiley & Sons, New York, 1988, pp. 377ff.
2. Maynard, K. P., and Trethewey, M., "On The Feasibility of Blade Crack Detection Through Torsional Vibration Measurements," Proceedings of the 53rd Meeting of the Society for Machinery Failure Prevention Technology, Virginia Beach, Virginia, April 19-22, 1999, pp. 451-459.
3. McDonald, D, and Gribler, M., "Digital Resampling: A Viable Alternative for Order Domain Measurements of Rotating Machinery," Proceedings of the 9th Annual International Modal Analysis Conference, Part 2, April 15-18, 1991, Florence, Italy, pp. 1270-1275.
4. Potter, R., "A New Order Tracking Method for Rotating Machinery," Sound and Vibration, September, 1990, pp. 30-35.
5. Hernandez, W., Paul, D., and Vosburgh, F, "On-Line Measurement and Tracking of Turbine Torsional Vibration Resonances using a New Encoder Based Rotational Vibration Method (RVM)," SAE Technical Paper 961306, Presented at the Aerospace Atlantic Conference, Dayton, OH, May 22-23, 1996.
6. Maynard, K. P., and Trethewey, M., "Blade and Shaft Crack Detection Using Torsional Vibration Measurements, Part 1: Feasibility Studies," Noise and Vibration Worldwide, December 2000, pp. 9-15.