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Effect of misalignment on the durability of gas-lubricated foil thrust bearing
Other Title(s)
تأثير المحاذاة الخاطئة على ثبات كرسي تحميل دفعي ذو رقائق معدنية مزيت بالغاز
Author
Source
Journal of Engineering Sciences
Issue
Vol. 44, Issue 1 (31 Jan. 2016), pp.72-90, 19 p.
Publisher
Assiut University Faculty of Engineering
Publication Date
2016-01-31
Country of Publication
Egypt
No. of Pages
19
Main Subjects
Abstract EN
The present study aims to evaluate the effects of static and dynamic angular misalignments of the runner surface on the performance of a gas-lubricated foil thrust bearing.
The responses of the bearing load capacity, viscous power loss, and the stiffness and damping coefficients of the gas film to small angular misalignments are thoroughly analyzed.
The compressible Reynolds equation along with the Couette Approximation technique is used to model the flow in the gas film.
The deformation of the compliant bearing is calculated with a robust analytical model, and small perturbations method is used to calculate the dynamic coefficients of the gas film.
The results show that misaligned foil thrust bearings are capable of developing a restoring moment sufficient enough to withstand the imposed mechanical distortions.
Furthermore, the enhanced hydrodynamic effect ensures a stable operation of the misaligned foil thrust bearing at very thin gas films.
American Psychological Association (APA)
Jad, Abd al-Rasul. 2016. Effect of misalignment on the durability of gas-lubricated foil thrust bearing. Journal of Engineering Sciences،Vol. 44, no. 1, pp.72-90.
https://search.emarefa.net/detail/BIM-819618
Modern Language Association (MLA)
Jad, Abd al-Rasul. Effect of misalignment on the durability of gas-lubricated foil thrust bearing. Journal of Engineering Sciences Vol. 44, no. 1 (Jan. 2016), pp.72-90.
https://search.emarefa.net/detail/BIM-819618
American Medical Association (AMA)
Jad, Abd al-Rasul. Effect of misalignment on the durability of gas-lubricated foil thrust bearing. Journal of Engineering Sciences. 2016. Vol. 44, no. 1, pp.72-90.
https://search.emarefa.net/detail/BIM-819618
Data Type
Journal Articles
Language
English
Record ID
BIM-819618