Discharge coefficients of inherent orifice-type restrictors in aerostatic bearing analysis

S. H. Chang, C. W. Chan, Y. R. Jeng

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In aerostatic bearing analysis, determining film pressure by solving the Reynolds equation in a numerical model is more effective than conducting bearing experiments or performing computational fluid dynamics simulations. However, the discharge coefficient of an orifice-type restrictor is generally a given number that dominates model accuracy. This study investigated the influence of geometry and flow parameters on this discharge coefficient. The results indicate that this discharge coefficient is sensitive to the orifice diameter and film thickness and that the effects of the supply pressure, bearing radius, supply orifice length, supply passage diameter, conicity depth, and conicity angle can be disregarded. This study also built a surrogate model of this discharge coefficient based on the orifice diameter and film thickness by using artificial neural networks.

Original languageEnglish
Title of host publication2015 IFToMM World Congress Proceedings, IFToMM 2015
PublisherNational Taiwan University
ISBN (Electronic)9789860460988
DOIs
Publication statusPublished - 2015 Jan 1
Event14th International Federation for the Promotion of Mechanism and Machine Science World Congress, IFToMM 2015 - Taipei, Taiwan
Duration: 2015 Oct 252015 Oct 30

Publication series

Name2015 IFToMM World Congress Proceedings, IFToMM 2015

Other

Other14th International Federation for the Promotion of Mechanism and Machine Science World Congress, IFToMM 2015
CountryTaiwan
CityTaipei
Period15-10-2515-10-30

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • History

Fingerprint Dive into the research topics of 'Discharge coefficients of inherent orifice-type restrictors in aerostatic bearing analysis'. Together they form a unique fingerprint.

Cite this