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|Title: ||On the boundary conditions in multi-phase flow through the piston ring-cylinder liner conjunction|
|Authors: ||Shahmohamadi, Hamed|
Garner, Colin P.
|Keywords: ||Mixed multi-phase regime of lubrication|
Zero reverse inlet boundary
|Issue Date: ||2015|
|Publisher: ||Elsevier (© The authors)|
|Citation: ||SHAHMOHAMADI, H. ... et al, 2015. On the boundary conditions in multi-phase flow through the piston ring-cylinder liner conjunction. Tribology International, 90, pp.164-174.|
|Abstract: ||Prediction of load capacity and friction depends on the assumed boundary conditions. The inlet comprises swirl and counter flows, admitting only a portion of the inward flow into the conjunctional gap. At the contact exit, the lubricant film ruptures with multi-phase flow through a cavitation region. Therefore, the boundary conditions affect the load carrying capacity and friction. A Navier–Stokes solution of multi-phase flow, including vapour transport is presented, with determined realistic boundary conditions.
The evaluated boundaries agree with potential flow analysis satisfying compatibility conditions, not hitherto reported in literature. The investigation is extended to the determination of optimum compression ring contacting geometry.|
|Description: ||This paper was published by Elsevier as an Open Access article under the CC BY NC ND 4.0 International licence: http://creativecommons.org/licenses/by-nc-nd/4.0/|
|Sponsor: ||The authors wish to express their gratitude to the Lloyd׳s Register Foundation (LRF) for the financial support extended to the International Institute for Cavitation Research. Thanks are also due to the Engineering and Physical Sciences Research Council (EPSRC) for the Encyclopaedic Programme Grant (EP/G012334/1); some of research findings of which are used in this paper. The technical and financial support of Capricorn Automotive is also acknowledged.|
|Publisher Link: ||http://dx.doi.org/10.1016/j.triboint.2015.04.025|
|Appears in Collections:||Published Articles (Mechanical, Electrical and Manufacturing Engineering)|
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