Performance and stability comparison of hydrostatic bearing pad geometry optimization approaches
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F26%3A0197844" target="_blank" >RIV/00216305:26210/26:0197844 - isvavai.cz</a>
Result on the web
<a href="https://link.springer.com/article/10.1007/s10010-025-00837-8" target="_blank" >https://link.springer.com/article/10.1007/s10010-025-00837-8</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/s10010-025-00837-8" target="_blank" >10.1007/s10010-025-00837-8</a>
Alternative languages
Result language
angličtina
Original language name
Performance and stability comparison of hydrostatic bearing pad geometry optimization approaches
Original language description
Hydrostatic bearings are commonly used across a range of applications, yet their reliance on externally pressurized lubricants presents significant energy consumption challenges. This research aims to experimentally assess various approaches for optimizing the geometry of hydrostatic bearing pads. Utilizing a two-pad hydrostatic tester equipped with online diagnostics, we analyzed optimized multi-recess pads developed through both analytical methods and computational fluid dynamics (CFD). Our results demonstrate that the CFD method achieves a substantially greater film thickness recess pressure compared to the analytical method under similar experimental conditions. Additionally, the CFD approach reduces pumping power losses by 14%. However, this improvement in performance is accompanied by a reduction in film stiffness and an increased sensitivity to eccentric overload or misalignment, as highlighted in our findings. While the adoption of CFD-optimized geometries offers significant potential for lowering energy consumption, maintaining precise alignment especially in large-scale applications remains essential. In summary, our study suggests that employing CFD optimization can effectively reduce the service costs associated with hydrostatic bearings, but optimal outcomes necessitate careful alignment considerations.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20301 - Mechanical engineering
Result continuities
Project
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Continuities
S - Specificky vyzkum na vysokych skolach
Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Forschung im Ingenieurwesen
ISSN
0015-7899
e-ISSN
1434-0860
Volume of the periodical
89
Issue of the periodical within the volume
4
Country of publishing house
DE - GERMANY
Number of pages
10
Pages from-to
1-10
UT code for WoS article
001479676300001
EID of the result in the Scopus database
2-s2.0-105004194748