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Proceedings Paper

Early detection of changes in dynamic properties of cyclically symmetric structures
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Paper Abstract

Bladed disks and turbine wheels in jet engines may after a certain period of service degrade into a condition called mistuning, whereby these cyclically symmetric structures lose their symmetric dynamic properties, leading to imbalance, loss of performance, and ultimately to failure. This paper describes a diagnostic procedure whereby such mistuning may be detected in its early stages, allowing for the scheduled maintenance and replacement of these critical parts.

Paper Details

Date Published: 10 April 2007
PDF: 13 pages
Proc. SPIE 6530, Sensor Systems and Networks: Phenomena, Technology, and Applications for NDE and Health Monitoring 2007, 653017 (10 April 2007); doi: 10.1117/12.715386
Show Author Affiliations
Håvard Vold, ATA Engineering, Inc. (United States)
Kevin Napolitano, ATA Engineering, Inc. (United States)


Published in SPIE Proceedings Vol. 6530:
Sensor Systems and Networks: Phenomena, Technology, and Applications for NDE and Health Monitoring 2007
Kara J. Peters, Editor(s)

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