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Title: Surface-specific flow factors for prediction of friction of crosshatched surfaces
Authors: Leighton, Michael
Rahmani, Ramin
Rahnejat, Homer
Keywords: Flow factors
Non-Gaussian surfaces
Cross-hatched honing
Issue Date: 2016
Publisher: IOP Publishing Ltd.
Citation: LEIGHTON, M., RAHMANI, R. and RAHNEJAT, H., 2016. Surface-specific flow factors for prediction of friction of crosshatched surfaces. Surface Topography: Metrology and Properties, 4, 025002, 18pp.
Abstract: The paper presents a combined numerical and experimental study of generated sliding friction at low sliding speeds and high load intensity, typical of the top compression ring–cylinder liner conjunction at top dead centre in the compression stroke of high performance race engines. Frictional losses in the transition from compression to power stroke represent a significant portion of cyclic cylinder losses. The cylinder liner is cross-hatch honed with non-Gaussian topography, including larger groove features and a fairly smooth plateau roughness. Surface-specific flow factors are derived to closely represent the actual real rough conjunction. The predictions closely agree with the representative reported precision tribometric study of measured friction.
Description: Original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
Sponsor: The authors wish to express their gratitude to the Engineering and Physical Sciences Research Council for the financial support of Encyclopaedic Program Grant: www.encyclopaedic.org, under which this research was carried out. The authors also would like to acknowledge the technical support of industrial partners of Encyclopaedic, particularly Capricorn Automotive Ltd (manufacturers of advanced cylinder liner technology) and Castrol the suppliers of lubricant.
Version: Published
DOI: 10.1088/2051-672X/4/2/025002
URI: https://dspace.lboro.ac.uk/2134/20837
Publisher Link: http://dx.doi.org/10.1088/2051-672X/4/2/025002
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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