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Title: Direct measurement of piston friction of internal-combustion engines using the floating-liner principle
Authors: Gore, Michael
Theaker, Michael
Howell-Smith, S.J.
Rahnejat, Homer
King, P.D.
Keywords: Internal-combustion engine
Piston-cylinder system
Floating liner
Issue Date: 2014
Publisher: Sage Publications / © IMechE
Citation: GORE, M. ... et al, 2014. Direct measurement of piston friction of internal-combustion engines using the floating-liner principle. Proceedings of the Institution of Mechanical Engineers Part D- Journal of Automobile Engineering, 228 (3), pp.344-354.
Abstract: Piston–cylinder interactions account for a significant portion of frictional losses in an internal-combustion engine. This is mainly as the result of significant changes in the operating conditions (the load, the speed and the temperature) as well as the contact geometry and the encountered topography during a typical engine cycle. These changes alter the regime of lubrication which underlies the mechanisms of friction generation. The multi-variate interactive nature of the problem requires quite complex analyses which do not fully replicate the actual in-situ conditions. Therefore, there is a need for direct measurement of cyclic friction under controlled conditions. The paper describes the use of a novel floating-liner arrangement which is capable of direct measurement of friction, its transitory mechanisms, as well as determination of the regime of lubrication.
Description: This is an Open Access Article published by SAGE on behalf of IMechE and distributed under the terms of the Creative Commons Attribution 3.0 License (http://www.creativecommons.org/licenses/by/3.0/) which permits any use, reproduction and distribution of the work without further permission provided the original work is attributed.
Sponsor: This work was financially supported by the Engineering and Physical Sciences Research Council with the Program Grant: Encyclopaedic [grant number: EP/G012334/1], under which the current research is conducted, and a consortium of industrial concerns, including BP Castrol, Aston Martin Lagonda, Capricorn Automotive, Ricardo Consulting Engineers, ProDrive and ES Technology and, in particular, Capricorn Automotive Ltd.
Version: Published
DOI: 10.1177/0954407013511795
URI: https://dspace.lboro.ac.uk/2134/17751
Publisher Link: http://dx.doi.org/10.1177/0954407013511795
ISSN: 0954-4070
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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