Research on Micro-Turbine Operating State Characterization Based on Bearing Vibration Signals Analysis
Ning Li,
Xiaowei Wang,
Tongguang Yang
et al.
Abstract:An air flow-driven micro-turbine, widely used in air-condition control systems in aircraft cabins, train coaches, etc., exhibits complex vibration behaviors under stable or unstable inlet flow conditions, and especially has a certain correlation with speeds. In this paper, the vibration responses of the micro-turbine undergoing stable and unstable inlet flows measured on a test rig are analyzed and compared by using different signal processing methods, which include time and frequency domain methods, and stati… Show more
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