A new efficient flow continuity lubrication model for the piston ring-pack with consideration of oil storage of the cross-hatched texture

A new efficient flow continuity lubrication model for the piston ring-pack with consideration of... In this paper, a new efficient flow continuity lubrication model for the piston ring -pack is established by taking the oil storage of the cross-hatched texture into account. To fully consider the influence of the cross-hatched texture and plateau roughness on the lubrication and oil transport, a two-dimensional two-scale mass-conserving homogenized mixed lubrication model is developed. To solve the mass-conserving model efficiently, the recently proposed Fischer-Burmeister-Newton-Schur (FBNS) algorithm is adopted. The oil available to lubricate each ring is determined by conducting an oil transport analysis. The trapped oil in the texture is calculated as an extra oil supply to the inlet of the contact. The developed model has great potential for understanding and optimizing the honed cylinder liner surface. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Tribology International Elsevier

A new efficient flow continuity lubrication model for the piston ring-pack with consideration of oil storage of the cross-hatched texture

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier Ltd
ISSN
0301-679X
eISSN
1879-2464
D.O.I.
10.1016/j.triboint.2017.11.027
Publisher site
See Article on Publisher Site

Abstract

In this paper, a new efficient flow continuity lubrication model for the piston ring -pack is established by taking the oil storage of the cross-hatched texture into account. To fully consider the influence of the cross-hatched texture and plateau roughness on the lubrication and oil transport, a two-dimensional two-scale mass-conserving homogenized mixed lubrication model is developed. To solve the mass-conserving model efficiently, the recently proposed Fischer-Burmeister-Newton-Schur (FBNS) algorithm is adopted. The oil available to lubricate each ring is determined by conducting an oil transport analysis. The trapped oil in the texture is calculated as an extra oil supply to the inlet of the contact. The developed model has great potential for understanding and optimizing the honed cylinder liner surface.

Journal

Tribology InternationalElsevier

Published: Mar 1, 2018

References

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