Hydrostatic and Hydrodynamic Bearings

A special issue of Lubricants (ISSN 2075-4442).

Deadline for manuscript submissions: 31 May 2026 | Viewed by 519

Special Issue Editors


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Guest Editor
College of Mechanical and Power Engineering, China Three Gorges University, Yichang 443002, China
Interests: hydrostatic supported system; stability analysis of bearings

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Guest Editor
School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Interests: hydrostatic supported system; surface performance of bearings
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
School of Intelligent Manufacturing and Electrical Engineering, Nanyang Normal University, Nanyang 473061, China
Interests: hydrostatic supported system; stability analysis of bearings

Special Issue Information

Dear Colleagues,

The Special Issue "Hydrostatic and Hydrodynamic Bearings" of the journal Lubricants aims to offer a platform to researchers for sharing their latest, innovative, and original studies about hydrostatic and hydrodynamic bearings. Both theoretical and experimental studies are welcome.

We welcome both review articles and original research that offer theoretical insights, groundbreaking experimental studies, and innovative computational methods. Such contributions will advance our understanding of the underlying mechanisms across multiple scales. We also invite submissions featuring novel applications that challenge and extend the current frontiers of the field. The scope of this Special Issue encompasses topics including stability, lubrication, structure design, and performance optimization of all kinds of hydrostatic and hydrodynamic bearings. We sincerely invite experts and scholars in the field to contribute their manuscripts, and this Special Issue would be honored to have the opportunity to present your latest research findings to the wider audience.

Dr. Zhuxin Tian
Dr. Youmin Rong
Dr. Minghui Guo
Guest Editors

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • hydrostatic journal bearings
  • hydrostatic thrust bearings
  • hydrodynamic bearings
  • stability
  • lubrication
  • structure optimization

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Published Papers (1 paper)

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Research

15 pages, 1631 KB  
Article
Modeling and Analysis of the Eccentric-Load Resistance of Single Rectangular Hydrostatic Oil Pad Units
by Mengyang Li, Ye Ding and Jie Wu
Lubricants 2025, 13(11), 471; https://doi.org/10.3390/lubricants13110471 - 24 Oct 2025
Viewed by 200
Abstract
Hydrostatic bearings are extensively utilized in precision and ultra-precision machinery. Owing to the small oil film clearance of such bearings, they are prone to tilting under eccentric loads, which may ultimately lead to bearing failure. To investigate the eccentric load characteristics of hydrostatic [...] Read more.
Hydrostatic bearings are extensively utilized in precision and ultra-precision machinery. Owing to the small oil film clearance of such bearings, they are prone to tilting under eccentric loads, which may ultimately lead to bearing failure. To investigate the eccentric load characteristics of hydrostatic bearings, a typical rectangular hydrostatic oil pad unit was selected as the research object. First, an analytical model for the eccentric load-carrying capacity of the rectangular oil pad was established. This model was then validated through computational fluid dynamics (CFD) simulations. On this basis, the static and dynamic characteristics of the rectangular hydrostatic oil pad were systematically studied. The results indicate that oil supply pressure, orifice diameter, and oil pad dimensions exert significant influences on the angular stiffness and angular damping of hydrostatic bearings. Specifically, increasing the oil supply pressure to above 3 MPa can facilitate the enhancement of anti-eccentric load capacity. Under the premise of ensuring static load-carrying capacity, a moderate increase in orifice diameter is conducive to improving anti-eccentric load capacity. When the oil pad area is fixed, adjusting the width-to-height ratio of the oil pad can modify the angular damping coefficient in the corresponding direction. However, the adjustment tends to reduce the angular damping coefficient in other directions, necessitating a comprehensive evaluation in practical applications. Full article
(This article belongs to the Special Issue Hydrostatic and Hydrodynamic Bearings)
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