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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/34318

Title: Performance evaluation of radial shaft seals of automotive transmission systems [Abstract]
Authors: Kozuch, Emilia
Nomikos, Petros
Morris, Nicholas J.
Rahmani, Ramin
Rahnejat, Homer
Keywords: Radial lip seals
Automotive transmission
Surface roughness
Lubricant leakage
Friction
Average Reynolds model
Flow factors
Issue Date: 2018
Publisher: British Fluid Power Association
Citation: KOZUCH, E. ... et al., 2018. Performance evaluation of radial shaft seals of automotive transmission systems. Presented and published at the 24th International Conference on Fluid Sealing (FS 2018), Manchester, 7-8th March.
Abstract: The effective sealing of components in relative motion poses a significant challenge in numerous engineering applications. One such application is the interfacial sealing of the driveshaft with the transmission casing. This contact conjunction is critical for retention of transmission oil. Excess leakage can lead to reduced transmission efficiency, wear and environmental contamination. To mitigate these untoward effects, radial lip seals are commonly used. The current research aims to improve the performance of radial lip seals through improved understanding of the complex driveshaft lip seal tribological conditions. This is achieved through topographical measurement of the counter face surfaces, using a focus variation measurement technique, combined with numerical analysis. The numerical analysis enables the determination of the effect of surface-specific roughness characteristics upon the lubricant film behaviour. It involves the use of an averaged Reynolds equation and a contact mechanics model. Various shaft surface finishing procedures are investigated and their resulting lubricant leakage and frictional performance are reported. The approach allows the evaluation of various surface finishing procedures, leading to recommendations based on pertinent topographical parameters for effective sealing.
Description: This paper is in closed access.
Version: Published
URI: https://dspace.lboro.ac.uk/2134/34318
Publisher Link: http://www.bhrgroup.com/Default.aspx?tabid=2039
Appears in Collections:Conference Papers and Presentations (Mechanical, Electrical and Manufacturing Engineering)

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