Simulation of gas-dynamic characteristics of a centrifugal compressor vane diffuser using neural networksAleksandr Nikiforov, Alexei Kuchumov, Sergei Terentev, Evgeniy Petukhov and Kirill KabalykE3S Web Conf., 140 (2019) 05003DOI: https://doi.org/10.1051/e3sconf/201914005003