Some problem of centrifugal compressors upgrading

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 axia...

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Bibliographic Details
Main Authors: Sadovskiy, Nikolai, Strizhak, Leonid, Simonov, Anatoliy, Sokolov, Mikhail
Format: Conference Proceeding
Language:English
Subjects:
Axial forces
Centrifugal compressors
Centrifugal force
Compressor rotors
Journal bearings
Labyrinth seals
Mathematical analysis
Stiffness coefficients
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Summary: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.
ISSN:2261-236X
2274-7214
2261-236X
DOI:10.1051/matecconf/201824509004