The influence of Oldroyd-B and PTT lubricants on moving journal bearing systems

Gwynllyw, D. Rh. and Phillips, Timothy Nigel ORCID: https://orcid.org/0000-0001-6455-1205 2008. The influence of Oldroyd-B and PTT lubricants on moving journal bearing systems. Journal of Non-Newtonian Fluid Mechanics 150 (2-3) , pp. 196-210. 10.1016/j.jnnfm.2007.10.014

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Abstract

The influence of viscoelasticity on the performance of statically and dynamically loaded journal bearings is considered. The lubricant in the system is modelled using either the Oldroyd-B or linear PTT models. Significant viscoelastic effects are presented for both moderate and narrow gap journal bearing configurations. The dynamical behaviour of the journal bearing system is shown to be dependent on the fluid model, the relaxation time and also the gap size.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Mathematics
Subjects:	Q Science > QA Mathematics
Uncontrolled Keywords:	Dynamically loaded journal bearing; Oldroyd-B model; PTT model; Spectral element method; ALE formulation
Publisher:	Elsevier
ISSN:	0377-0257
Last Modified:	18 Oct 2022 13:34
URI:	https://orca.cardiff.ac.uk/id/eprint/14432

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