Contamination effects study in the centrifugal compressor flow stage by means of numerical simulation methodsA.A. Aksenov, Yu.V. Kozhukhov, A.A. Lebedev, A. Yu. Petrov and Minh Hai NguyenE3S Web Conf., 140 (2019) 07005DOI: https://doi.org/10.1051/e3sconf/201914007005