RUDN Journal of Engineering ResearchRUDN Journal of Engineering Research2312-81432312-8151Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)4874Research ArticleStudy of noise and centrifugal blowers trim piping at compressor stationsVlasovE NDepartment of heating engineers and heat enginesvlasov.en@mail.ruMamaevV KDepartment of heating engineers and heat enginesferrymanworker@yandex.ruAlekseevA PDepartment of heating engineers and heat enginesferrymanworker@yandex.ruPeoples’ Friendship University of Russia150320133212507092016Copyright © 2013,2013The questions on how to reduce noise centrifugal compressors and pipelines piping at compressor stations.centrifugal supercharger sound power levelpiping trimsound pressure levelscentrifugal supercharger sound power levelpiping trimsound pressure levelsцентробежный нагнетательуровень звуковой мощноститрубопроводы обвязкиуровни звукового давленияцентробежный нагнетательуровень звуковой мощноститрубопроводы обвязкиуровни звукового давления