Optimizing the shape of top piston ring face using inverse method

Purpose – This study aims at proposing an approach for optimizing the shape of the top piston ring face for minimum friction force using an inverse method. The shape of the top piston ring face determines the amount of oil distribution in the interface of the ring and liner. Therefore, the shape has...

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Vydáno v:Industrial lubrication and tribology Ročník 68; číslo 1; s. 9 - 15
Hlavní autoři: Zhang, Zhinan, Liu, Jun, Tang, Yihu, Meng, Xianghui
Médium: Journal Article
Jazyk:angličtina
Vydáno: Bradford Emerald Group Publishing Limited 08.02.2016
Témata:
Boundary conditions
Design of experiments
Design optimization
Design parameters
Energy consumption
Engineering
Failure analysis
Friction
Friction reduction
Functions (mathematics)
Inverse method
Load
Lubricants
Lubricants & lubrication
Mechanical engineering
Methods
Optimization
Piston rings
Polynomials
Pressure distribution
Production capacity
Quadratic programming
Researchers
Rings (mathematics)
Studies
Tribology
Velocity
Viscosity
Piston ring
Automotive components industry
Optimum ring shape
Automotive
Oil distribution
Friction parameter
ISSN:0036-8792, 1758-5775
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Popis
Shrnutí:Purpose – This study aims at proposing an approach for optimizing the shape of the top piston ring face for minimum friction force using an inverse method. The shape of the top piston ring face determines the amount of oil distribution in the interface of the ring and liner. Therefore, the shape has a significant impact on the tribological performance of this interface. Design/methodology/approach – The shape of the ring face is represented by a polynomial function and is based on the load analysis of the ring. The optimization of the shape was performed using the Sequential Quadratic Programming method. The minimizing of the friction parameter at the interface was considered during the solving process to obtain an optimum ring shape. Findings – The optimized high degree of the shape of the ring face could lead to a reduced friction parameter. The proposed method could be applied for the tribological design and optimization of the piston rings. Research limitations/implications – There still need effort to investigate the effect of design parameters (e.g. property of lubricant)on the optimization of the ring face. Originality/value – The subject matter is important and the method has practical value.
Bibliografie:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:0036-8792
1758-5775
DOI:10.1108/ILT-06-2015-0090