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Keywords: FFT
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Proceedings Papers

Proc. ASME. GT2020, Volume 2C: Turbomachinery, V02CT35A027, September 21–25, 2020
Paper No: GT2020-14998
... observations and the characteristics of the PVC. Then, the numerical identification of the main acoustic modes in the chamber through Dynamic Mode Decomposition (DMD) allows overcoming the Fast Fourier Transform (FFT) shortcomings and better understanding the propagation of the hydrodynamic instability...