, Volume 42, Issue 5-6, pp 320-326

Methods of rotating stall and surge detection in centrifugal compressors

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Abstract

Systems for prevention of surging of centrifugal compressors and methods of rotating stall detection and early surge diagnosis using statistical processing of sensor signals of various parameters, i.e., the method of calculation of the correlation function of the signal and the method of calculation of signal dispersion, are discussed. The results of routine tests of air and high-speed air centrifugal compressors and their detachable flow parts are adduced.

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Translated from Khimicheskoe i Neftegazovoe Mashinostroenie, No. 6, pp. 30–33, June, 2006.