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《TURBINE TECHNOLOGY》 1999-06
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Fhactal Geometry and Its Applications in Vibration Failure Symptom Abstraction of the Steam Turbine

E Chunsheng; Jiang Dongxiang; Ni Weidou(Department of Thermal Engineering, Tsinghua University, Beijing 100084, China)  
The time-vihration waves and shaft center orbits,which contain rich informationabout the vibrahon failure of the steam tutbine,have fractal characteristics.In this paper,wehave studied their fractal characteristics,computed fractal dimensions of different failures.Results show that for different types of vihration failures, the fractal dimensions are quitedifferent.Fractal dimension does have som cormspondence with the type of failure. So,thecomputing of the fractal dimension could be an effective method to abstract the symptom of thefailures.
【Fund】: 国家攀登B计划子课题!由国家重点基础研究专项经费资助;1998020320
【CateGory Index】: TK267
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