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Keywords: rotating instabilities
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Journal Articles
Article Type: Research Papers
J. Turbomach. July 2023, 145(7): 071015.
Paper No: TURBO-22-1238
Published Online: March 2, 2023
...Xiangyi Chen; Björn Koppe; Martin Lange; Wuli Chu; Ronald Mailach Rotating instability (RI) can be regarded as a pre-stall signal because such phenomena are usually detected when a compressor operates at a near-stall point. Since RI is closely relevant to aerodynamic, acoustic, and structural...
Journal Articles
Article Type: Research Papers
J. Turbomach. October 2021, 143(10): 101010.
Paper No: TURBO-21-1015
Published Online: May 17, 2021
... that the diffuser (resp. impeller) is the first unstable component at low (resp. high) rotation speeds. This situation is unaltered by increasing the IGV stagger angle. At low rotation speeds below a given mass flow rate, rotating instabilities (RI) at the impeller inlet are detected at zero IGV stagger angle...