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Design and performance analysis of small hole throttling aerostatic bearings

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Title: Design and performance analysis of small hole throttling aerostatic bearings
Authors: QIU Dezhong, LEI Weining, XUE Yaping
Source: Jixie qiangdu, Pp 1-9 (2025)
Publisher Information: Editorial Office of Journal of Mechanical Strength, 2025.
Publication Year: 2025
Collection: LCC:Mechanical engineering and machinery
LCC:Materials of engineering and construction. Mechanics of materials
Subject Terms: Small orifice throttling, Air floatation mat, Finite element method, Load-carrying capacity, Stiffness, Mechanical engineering and machinery, TJ1-1570, Materials of engineering and construction. Mechanics of materials, TA401-492
More Details: Focusing on the performance of single-throttle-orifice aerostatic bearings, this study investigates the effects of design parameters on load capacity and stiffness, aiming to optimize the structural design and performance of aerostatic bearings. A parametric model of the single-throttle-orifice aerostatic bearing was developed using the finite element method. The influence of factors such as air cavity design, throttle orifice diameter, supply air pressure, air film thickness, throttle orifice depth, air cavity thickness, and air cavity diameter on bearing performance was analyzed. Simulation and experimental testing were combined to validate the influence of design parameters on bearing performance. The results indicate that throttle orifice diameter, air film thickness, supply air pressure, and air cavity diameter significantly affect the bearing's load capacity, while throttle orifice depth and air cavity thickness have a smaller impact. Parameters such as throttle orifice diameter, supply air pressure, air cavity diameter, and air cavity thickness positively correlate with load capacity, whereas air film thickness and throttle orifice depth negatively correlate. Additionally, aerostatic bearing with air cavity structures exhibit superior load capacity and stiffness compared to those without air cavities. The consistency between simulation results and experimental data confirms the reliability and accuracy of the proposed simulation model.
Document Type: article
File Description: electronic resource
Language: Chinese
ISSN: 1001-9669
Relation: http://www.jxqd.net.cn/thesisDetails?columnId=82018444&Fpath=home&index=0; https://doaj.org/toc/1001-9669
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  Label: Title
  Group: Ti
  Data: Design and performance analysis of small hole throttling aerostatic bearings
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22QIU+Dezhong%22">QIU Dezhong</searchLink><br /><searchLink fieldCode="AR" term="%22LEI+Weining%22">LEI Weining</searchLink><br /><searchLink fieldCode="AR" term="%22XUE+Yaping%22">XUE Yaping</searchLink>
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  Data: Jixie qiangdu, Pp 1-9 (2025)
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  Data: Editorial Office of Journal of Mechanical Strength, 2025.
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  Data: 2025
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  Data: LCC:Mechanical engineering and machinery<br />LCC:Materials of engineering and construction. Mechanics of materials
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  Data: <searchLink fieldCode="DE" term="%22Small+orifice+throttling%22">Small orifice throttling</searchLink><br /><searchLink fieldCode="DE" term="%22Air+floatation+mat%22">Air floatation mat</searchLink><br /><searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink><br /><searchLink fieldCode="DE" term="%22Load-carrying+capacity%22">Load-carrying capacity</searchLink><br /><searchLink fieldCode="DE" term="%22Stiffness%22">Stiffness</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+engineering+and+machinery%22">Mechanical engineering and machinery</searchLink><br /><searchLink fieldCode="DE" term="%22TJ1-1570%22">TJ1-1570</searchLink><br /><searchLink fieldCode="DE" term="%22Materials+of+engineering+and+construction%2E+Mechanics+of+materials%22">Materials of engineering and construction. Mechanics of materials</searchLink><br /><searchLink fieldCode="DE" term="%22TA401-492%22">TA401-492</searchLink>
– Name: Abstract
  Label: Description
  Group: Ab
  Data: Focusing on the performance of single-throttle-orifice aerostatic bearings, this study investigates the effects of design parameters on load capacity and stiffness, aiming to optimize the structural design and performance of aerostatic bearings. A parametric model of the single-throttle-orifice aerostatic bearing was developed using the finite element method. The influence of factors such as air cavity design, throttle orifice diameter, supply air pressure, air film thickness, throttle orifice depth, air cavity thickness, and air cavity diameter on bearing performance was analyzed. Simulation and experimental testing were combined to validate the influence of design parameters on bearing performance. The results indicate that throttle orifice diameter, air film thickness, supply air pressure, and air cavity diameter significantly affect the bearing's load capacity, while throttle orifice depth and air cavity thickness have a smaller impact. Parameters such as throttle orifice diameter, supply air pressure, air cavity diameter, and air cavity thickness positively correlate with load capacity, whereas air film thickness and throttle orifice depth negatively correlate. Additionally, aerostatic bearing with air cavity structures exhibit superior load capacity and stiffness compared to those without air cavities. The consistency between simulation results and experimental data confirms the reliability and accuracy of the proposed simulation model.
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  Data: 1001-9669
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RecordInfo BibRecord:
  BibEntity:
    Languages:
      – Text: Chinese
    PhysicalDescription:
      Pagination:
        PageCount: 9
        StartPage: 1
    Subjects:
      – SubjectFull: Small orifice throttling
        Type: general
      – SubjectFull: Air floatation mat
        Type: general
      – SubjectFull: Finite element method
        Type: general
      – SubjectFull: Load-carrying capacity
        Type: general
      – SubjectFull: Stiffness
        Type: general
      – SubjectFull: Mechanical engineering and machinery
        Type: general
      – SubjectFull: TJ1-1570
        Type: general
      – SubjectFull: Materials of engineering and construction. Mechanics of materials
        Type: general
      – SubjectFull: TA401-492
        Type: general
    Titles:
      – TitleFull: Design and performance analysis of small hole throttling aerostatic bearings
        Type: main
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          Name:
            NameFull: QIU Dezhong
      – PersonEntity:
          Name:
            NameFull: LEI Weining
      – PersonEntity:
          Name:
            NameFull: XUE Yaping
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          Dates:
            – D: 01
              M: 01
              Type: published
              Y: 2025
          Identifiers:
            – Type: issn-print
              Value: 10019669
          Titles:
            – TitleFull: Jixie qiangdu
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