MATEC Web Conf.
Volume 245, 2018International Scientific Conference on Energy, Environmental and Construction Engineering (EECE-2018)
|Number of page(s)||6|
|Published online||05 December 2018|
Some problem of centrifugal compressors upgrading
St. Petersburg State Polytechnic University, St. Petersburg, Russia
* Corresponding author: firstname.lastname@example.org
The results of computational investigation of the influence of a gas labyrinth seals, oil end seals with floating rings and oil journal bearings lubricating layer stiffness coefficient on centrifugal compressor rotor critical speed are presented and analysed. The main principles of a method for axial forces acting on centrifugal compressor rotor calculation are listed. The method has been developed at the compressor, vacuum and refrigeration technologies department of SPbSTU. In addition, the estimation of method applicability in engineering calculations is given.
© The Authors, published by EDP Sciences, 2018
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