Kryłłowicz, WładysławKozanecki, ZbigniewŚwider, Piotr2020-12-172020-12-172011Mechanics and Mechanical Engineering, Vol. 15, No. 3, 2011, s. 289-2961428-1511http://hdl.handle.net/11652/3125The modernization of a nitrous gas four-stage centrifugal compressor is presented. The assumptions for modernization, its methodology and the results of thermodynamical, flow and dynamical calculations have been discussed. The technological aspects of the rotor modernization have been given.ennitrous gascompressormodernizationstabilityrotordynamicsgaz zaazotowanymodernizacjastabilnośćrotordynamikaartykuł