A Novel Method for Partial Rub Detection Based on Cumulation of Liftered Full Spectrum

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23520%2F14%3A43922072" target="_blank" >RIV/49777513:23520/14:43922072 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
A Novel Method for Partial Rub Detection Based on Cumulation of Liftered Full Spectrum
Original language description
Contemporary trend in design of turbomachinery leads to increase of efficiency through reducing the seal clearances. Tight rotor-to-seal clearance may lead to undesirable contact between rotating and stationary part of the machine, called simply rubbingor rub. The methods, standardly used for rub detection, are mainly based on observation of bending rotor, which is very common symptom of rotor rubbing with a part of stator. One way to detect bending rotor is monitoring of phasor of first harmonics (1X)signal component. Other symptoms of partial rub are subsynchronous spectral components, which arises from rotor periodic motion during rub. In this paper, the method of cumulative full spectrum, based on cepstral liftering and subsequent cumulation of full spectrum is introduced. This method is suitable for offline and also online detection of partial rub.
Czech name
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Czech description
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Type
D - Article in proceedings
CEP classification
JE - Non-nuclear power engineering, energy consumption and utilization
OECD FORD branch
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Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Communications, Circuits and Educational Technologies
ISBN
978-1-61804-231-6
ISSN
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e-ISSN
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Number of pages
8
Pages from-to
72-79
Publisher name
Europment
Place of publication
Sofia, Bulgaria
Event location
Praha
Event date
Apr 2, 2014
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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