Registration Number
0226U002011,
(0123U101853)
, R & D reports
Title
Increasing the bearing capacity, sealing and dynamic stability of rotor systems of turbomachines
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Аналіз герметичності та несучої здатності сальникових ущільнень з гідродинамічним розвантаженням
Head
Zahorulko Andrii V., Кандидат технічних наук
Registration Date
05-02-2026
Organization
Sumy State University
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Establishing the general laws of the influence of the geometry of designs on the bearing capacity, leakage rate and rotordynamic characteristics of seals-bearings using computer modeling and its verification with the results of existing experimental studies
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A method for solving the problem of elastic-hydrodynamic lubrication and contact in a friction pair of a flexible stuffing box packing and a hard steel surface has been developed. It has been established that the presence of grooves in the flexible bottom and grooves on the support ring of the designs of face packing seals with formed hydrodynamic structures leads to deformation of the stuffing box packing in these places and the formation of a wedge-shaped gap, which ensures the injection of the working medium. This leads to an increase in hydrodynamic pressure and the pushing of the stuffing box packing from the surface of the support ring, allowing reducing the maximum contact pressure, friction moment and wear of the support ring surface. A method for calculating the wear of the surface of the stuffing box shaft sleeve has been developed based on the Archard wear model. The wear model has been verified in accordance with the results of previous experimental studies, taking into account the effect of working pressure for different materials of the protective sleeves
Product Description
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Yevhen M. Savchenko
Sergii M. Gudkov
Andrii V. Zahorulko
Svitlana O. Mischenko
Oleksandr O. Pozovnyi
Vladyslav V. Izemenko
Viacheslav B. Tarelnyk
Yaroslav I. Sapozhnykov
Serhii A. Borsuk
Yuliia V. Zahorulko
Arthur Y. Vanzhula
Mykhailo Y. Rosliakov
Danil S. Kryvenko
Kateryna I. Levchenko
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2026-02-05
