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RISExperiments on an Axial Fan Stage: Time Resolved Analysis of Rotating Instability Modes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Rotating instability (RI) occurs at offdesign conditions in axial compressors, predominantly in rotor configurations with large tip clearances. Characteristic spectral signatures with sidebyside peaks below the blade passing ...
Rotating Instability in an Annular Cascade: Detailed Analysis of the Instationary Flow Phenomena
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Rotating instability (RI) occurs at offdesign conditions in compressors, predominantly in configurations with large tip or hub clearance ratios of s* ≥3%. RI is the source of the blade tip vortex noise and a potential ...