TECHNICAL PAPERS: Gas Turbines: Controls and Diagnostics

A New Technique for Identifying Synchronous Resonances Using Tip-Timing

[+] Author and Article Information
Steve Heath

Electronic and Measurement Technology Department, Rolls Royce plc, PO Box 31, Derby DE24 8BJ, UK

J. Eng. Gas Turbines Power 122(2), 219-225 (Jan 03, 2000) (7 pages) doi:10.1115/1.483198 History: Received March 09, 1999; Revised January 03, 2000
Copyright © 2000 by ASME
Your Session has timed out. Please sign back in to continue.


Endoh, M., Matsuda, Y., and Matsuki, M., 1983, “Non-Contact Measurement of Rotating Blade Vibrations,” International Gas Turbine Congress, Tokyo, pp. 953–960.
Heath, S., and Imregun, M., 1997, “A Review of Analysis Techniques for Tip-Timing Measurements,” ASME Paper 97-GT-213.
Zablotsky,  I. Ye., and Korostelev,  Yu. A., 1970, “Measurement of Resonance Vibrations of Turbine Blades with the ELURA Device,” Energomashinostroneniye, 2, No. 2, pp. 36–39.
Chi, R. M., and Jones, H. T., 1988, “Demonstration Testing of a Non-Interference Technique for Measuring Turbine Engine Rotor Blade Stresses,” AIAA/SAE/ASME/ASEE 24th Joint Propulsion Conference, Boston, MA, AIAA-88-3143.
Heath,  S., and Imregun,  M., 1996, “An Improved Single-Parameter Tip-Timing Method for Turbomachinery Blade Vibration Measurements Using Optical Laser Probes,” Int. J. Mech. Sci., 38, No. 10, pp. 1047–1058.
Zielinski, M., and Ziller, G., 1997, “Optical Blade Vibration Measurement at MTU,” AGARD PEP Symposium—Advanced Non-Intrusive Instrumentation for Propulsion Engines, Brussels.
Schaber, U., 1997, “Non-Contact Vibration Measurement of Mistuned Coupled Blades,” ASME Paper 97-GT-190.


Grahic Jump Location
Typical blade tip-timing system elements
Grahic Jump Location
Comparison of actual and measured response amplitudes for different measurement positions
Grahic Jump Location
Polar plot for single-degree-of-freedom-system resonance
Grahic Jump Location
Plots of xA versus xB for differing probe spacing
Grahic Jump Location
Definition of two-parameter plot terms
Grahic Jump Location
Relationship between axis ratio, major axis angle, and probe spacing
Grahic Jump Location
Plot for increased assembly mistuning
Grahic Jump Location
Measured displacement versus speed plot
Grahic Jump Location
Measured two-parameter plot for speed range 2200 to 2450 RPM
Grahic Jump Location
Results of ellipse fit to two-parameter data for speed range 2200 to 2315 RPM
Grahic Jump Location
Mode 2 amplitude at probes 1 to 3
Grahic Jump Location
Mode 3 amplitude at probes 1 to 3
Grahic Jump Location
Mode 2 order from two-parameter analysis of two decelerations
Grahic Jump Location
Mode 3 order from two-parameter analysis of one deceleration



Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In