0
TECHNICAL PAPERS

Influence of Compressor Deterioration on Engine Dynamic Behavior and Transient Stall-Margin

[+] Author and Article Information
Z. S. Spakovszky, J. D. Paduano, A. H. Epstein, E. M. Greitzer

Gas Turbine Laboratory, Department of Aeronautics and Astronautics, Massachusetts Institute of Technology, Cambridge, MA 02139

J. B. Gertz, O. P. Sharma

Pratt & Whitney, East Hartford, CT 06108

J. Turbomach 122(3), 477-484 (Feb 01, 1999) (8 pages) doi:10.1115/1.1303817 History: Received February 01, 1999
Copyright © 2000 by ASME
Your Session has timed out. Please sign back in to continue.

References

Figures

Grahic Jump Location
Measured compressor rotor speed during acceleration transient
Grahic Jump Location
Spectrogram of measured unsteady static pressure signal of undeteriorated engine during the transient
Grahic Jump Location
Spectrogram of measured unsteady static pressure signal of deteriorated engine during the transient
Grahic Jump Location
Modeled regions of the multistage high-speed compressor
Grahic Jump Location
Undeteriorated engine compressor map and transient operating line: solid line=experiment, circles=matched computation
Grahic Jump Location
Compressor system pre-stall modes with first spatial harmonic content (n=1) at a part-power operating point
Grahic Jump Location
Spectrogram of simulated unsteady static pressure signal of undeteriorated engine during the transient
Grahic Jump Location
Integrated [1, 1] signal during the acceleration transient: (a) simulation, (b) experiment
Grahic Jump Location
Compressor system pre-stall modes with first harmonic content during the acceleration transient
Grahic Jump Location
Motion of [1, 1] mode (top) and simulated [1, 1] signal (bottom) during the acceleration transient
Grahic Jump Location
Simple model of analogy: gain curves of mass-spring-damper system during acceleration transient
Grahic Jump Location
Deteriorated (dashed) and undeteriorated (solid) compressor maps and measured transient operating lines
Grahic Jump Location
(a) Simulation, and (b) experimental results of the [1, 1] signal during the acceleration (solid=undeteriorated engine, dashed=deteriorated engine)
Grahic Jump Location
Deteriorated (×) and undeteriorated (+) compressor system pre-stall modes at peak points A(d) and A(u)
Grahic Jump Location
Deteriorated (dashed) and undeteriorated compressor (solid) stall lines and transient operating lines at low speeds

Tables

Errata

Discussions

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