Tip Clearance Actuation With Magnetic Bearings for High-Speed Compressor Stall Control

[+] Author and Article Information
Z. S. Spakovszky, J. D. Paduano

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

R. Larsonneur, A. Traxler

MECOS Traxler AG, Winterthur, CH 8404, Switzerland

M. M. Bright

NASA Glenn Research Center, Cleveland, OH 44135

J. Turbomach 123(3), 464-472 (Feb 01, 2000) (9 pages) doi:10.1115/1.1370163 History: Received February 01, 2000
Copyright © 2001 by ASME
Your Session has timed out. Please sign back in to continue.



Grahic Jump Location
Active tip-clearance stall control concept
Grahic Jump Location
Design process for an axial compressor magnetic bearing system
Grahic Jump Location
NASA Glenn high-speed single-stage compressor test facility
Grahic Jump Location
Preliminary magnetic bearing compressor rotor and corresponding lumped parameter model
Grahic Jump Location
Preliminary open loop rotor model eigenvalues and mode shapes
Grahic Jump Location
Transfer function from magnetic bearing force input [N] to blade tip deflection [μm]
Grahic Jump Location
Closed loop magnetic bearing compressor system for stall control
Grahic Jump Location
Spectral analysis of open loop prestall pressure perturbations (experiment by Weigl et al. 2) and of open loop compressor model
Grahic Jump Location
Open loop compressor dynamics (×) and closed loop poles with constant gain control (+)
Grahic Jump Location
Pole configuration and rotor lamination of magnetic bearing servo-actuator
Grahic Jump Location
Campbell diagram of magnetic bearing servo-actuator (forward and backward whirling modes are marked solid and dashed, respectively)
Grahic Jump Location
Current-force characteristic of magnetic bearing servo-actuator and operating locus (left); achievable whirl radii at several shaft locations and amplifier operation limits (right)




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