Email this article Stability of the Thermal-Expansion System of a Steam Turbine Against External Factors
- Authors: Sosnovskii A.Y.1, Murmanskii B.E.2, Brodov Y.M.2, Sakhnin Y.A.3
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Affiliations:
- Engineering Center “Uraltechenergo”
- The First President of Russia B. N. Eltsin Ural Federal University
- JSC “The Ural Turbine Works”
- Issue: Vol 51, No 4 (2017)
- Pages: 454-458
- Section: Article
- URL: https://journals.rcsi.science/1570-145X/article/view/245885
- DOI: https://doi.org/10.1007/s10749-017-0855-3
- ID: 245885
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Abstract
The results of studying design causes of malfunctions of the thermal-expansion system (TES) in steam turbines are presented. Simulation is performed to show the effect of the clearances in the keyed joints on the probability of bearing seizure in the longitudinal keys. Possible contacts between the longitudinal key and the groove in the bearing are considered. It is proved that the increase in the clearances in transverse keyed joints during turbine operation increases the probability of seizure. For reliable operation of the TES, it is necessary to restore the clearances during each overhaul.
About the authors
A. Yu. Sosnovskii
Engineering Center “Uraltechenergo”
Author for correspondence.
Email: sosnovskiy66@mail.ru
Russian Federation, Yekaterinburg
B. E. Murmanskii
The First President of Russia B. N. Eltsin Ural Federal University
Email: sosnovskiy66@mail.ru
Russian Federation, Yekaterinburg
Yu. M. Brodov
The First President of Russia B. N. Eltsin Ural Federal University
Email: sosnovskiy66@mail.ru
Russian Federation, Yekaterinburg
Yu. A. Sakhnin
JSC “The Ural Turbine Works”
Email: sosnovskiy66@mail.ru
Russian Federation, Yekaterinburg
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