Transient EHL analysis of helical gears

Jamali, H. U., Sharif, Khairi, Evans, Henry Peredur ORCID: https://orcid.org/0000-0002-6989-0190 and Snidle, Raymond Walter ORCID: https://orcid.org/0000-0001-9333-7195 2014. Transient EHL analysis of helical gears. Presented at: International Gear Conference 2014, Lyon Villeurbanne, France, 26-28 August 2014. International Gear Conference 2014 - Conference Proceedings. Cambridge: Woodhead Publishing, pp. 721-730.

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Abstract

The paper describes a transient elastohydrodynamic lubrication (EHL) model of involute helical gears and examines the extent to which the behaviour can be taken to be approximated using equivalent point and line contact steady state approaches. Significant transient effects are found near the ends of the contact line, particularly at locations where tip relief is active. Different tip relief profiles considered show that high stress concentrations and poor lubricant films may be avoided with suitable profile choice. Finally, 3D results of a preliminary evaluation of surface roughness effects on local contact stress and EHL film thickness are described.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Engineering
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Publisher:	Woodhead Publishing
ISBN:	9781782421955
Last Modified:	14 May 2024 15:16
URI:	https://orca.cardiff.ac.uk/id/eprint/69244

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