Vibration response analysis of a cracked rotating compressor blade during run-up process
Mechanical Systems and Signal Processing(2019)
Abstract
•A finite element (FE) model of a cracked rotating compressor blade (CRCB) is developed.•The CRCB model includes real crack paths.•Crack breathing mechanism is highlighted for centrifugal and aerodynamic forces.•Vibration responses of CRCB during run-up process are analyzed under different conditions.
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Key words
Fatigue crack,Rotating compressor blade,Run-up process,Vibration response,Super-harmonic
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