The use of Approximate Entropy analysis for flow pattern identification in radial compressors to detect instable operating conditions
Lorenzo Carrattieri,
Carlo Cravero,
Davide Marsano
et al.
Abstract:This study uses a statistical analysis on given pressure signals to identify the surge condition in radial compressors, providing insight into their dynamics and performance. Specifically, the investigation focuses on a two-stage centrifugal compressor used in refrigeration applications. Through Computational Fluid Dynamics (CFD) Unsteady Reynolds-Averaged Navier-Stokes (URANS) simulations, static pressure time-series are collected to cover four distinct operational points of the machine, ranging from a stable… Show more
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