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Influence of detailed ball-and-socket modelling on tilting pad journal bearings dynamics

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23520%2F23%3A43967916" target="_blank" >RIV/49777513:23520/23:43967916 - isvavai.cz</a>

  • Result on the web

    <a href="https://link.springer.com/article/10.1007/s11071-023-08266-4" target="_blank" >https://link.springer.com/article/10.1007/s11071-023-08266-4</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1007/s11071-023-08266-4" target="_blank" >10.1007/s11071-023-08266-4</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Influence of detailed ball-and-socket modelling on tilting pad journal bearings dynamics

  • Original language description

    The paper focuses on local phenomena modelling in the ball-and-socket pivot of tilting pad journal bearings. It provides an in-depth analysis of the influence of nonlinear normal force and friction forces generated in the pivot on the dynamic behaviour of the bearing. Contemporary works often employ the Hertz theory, which is valid for non-conformal contacts. This research, however, utilises a conformal sphere-to-sphere contact and uses the Bengisu-Akay and LuGre models, which describe static and dynamic friction. Furthermore, the latter model respects effects such as presliding, which can be essential for accurate predictions of nonlinear behaviour and which has not been employed to simulate the dynamics of the tilting pad journal bearings so far. This work also discusses the influence of model parameters. Such a discussion is critical for the LuGre model, whose proper parameter values are not straightforward to estimate.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20302 - Applied mechanics

Result continuities

  • Project

    <a href="/en/project/TK04020057" target="_blank" >TK04020057: Improving the reliability of steam turbine operation considering radial bearings life</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2023

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    NONLINEAR DYNAMICS

  • ISSN

    0924-090X

  • e-ISSN

    1573-269X

  • Volume of the periodical

    111

  • Issue of the periodical within the volume

    9

  • Country of publishing house

    CH - SWITZERLAND

  • Number of pages

    17

  • Pages from-to

    8155-8171

  • UT code for WoS article

    000931757700003

  • EID of the result in the Scopus database

    2-s2.0-85147747734