A Critical Review of Approaches to the Design of Floating-Liner Apparatus for Instantaneous Piston Assembly Friction Measurement

Youssef, Abdelrahman M.; Calderbank, Graham John; Sherrington, Ian; Smith, Edward H.; Rahnejat, Homer

doi:10.3390/lubricants9010010

Cited by 2 publications

(1 citation statement)

References 44 publications

(89 reference statements)

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“…There are many studies focused on decreasing the friction within the internal combustion engine without upgrading the piston rings. Such as, Abdelrahman M. Youssef et al [12] showed the most common techniques used in the design of floating-liner systems for measuring piston assembly friction. They reached several conclusions that the most common type of floating liner systems is the pressurized system due to their capability to simulate the entirety of conditions that exists in a firing engine during operation, and non-pressurized floating liners are decent at simulating engines at low intensity of load and are easy to manufacture and use.…”

Section: Introductionmentioning

confidence: 99%

An investigation on the friction losses between cylinder liner and piston rings

Abouchi

Baştürk

2022

Sustainable Engineering and Innovation

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Historically, the engine crankcase has been made of gray cast iron due to that material's' high machinability, damping ability, thermal conductivity, and sensible cost. Despite these advantages and the long-term use of gray cast iron, the vehicle manufacturers predominately use cast aluminum as material of choice for the engine block due to aluminum’s density being almost a third of that of gray cast iron, and the aluminum engines have the same durability as gray cast iron while weighing considerably less. However, due to the low wear resistance of aluminum, efforts are needed to improve internal working surfaces such as the use of cast iron cylinder liners or the application of a protective coat is applied to the aluminum surface to increase its resistance. The purpose of this study is to examine which ring materials have the lowest friction with the Twin Wire Arc (TWA) aluminum cylinder liner. An Ansys simulation model accomplishes the experimental work. The steel ring material obviously had the lowest friction with twin wire arc spray aluminum cylinder liner as opposite to the cast iron material which was the worst.

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Section: Introductionmentioning

confidence: 99%

An investigation on the friction losses between cylinder liner and piston rings

Abouchi

Baştürk

2022

Sustainable Engineering and Innovation

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Current and Future Trends in Tribological Research

Johns-Rahnejat,

Rahmani,

Rahnejat

2023

Lubricants

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The paper provides a commentary on the theme of “Current and Future Trends in Tribological Research: Fundamentals and Applications”, which is a special feature issue commemorating the 10th anniversary of the journal, Lubricants. A historical discourse is provided regarding various aspects of tribology as a multi-disciplinary subject that interacts in an inter-disciplinary manner with many other subjects: multi-body dynamics, thermofluids and heat transfer, contact mechanics, surface science, chemistry, rheology, data science, and biology, to name but a few. Such interactions lead to many important topics including propulsion with different sources of energy, mitigating emissions, palliation of friction, enhancing durability and sustainability, optimization through detailed analysis, and the use of artificial intelligence. Additionally, issues concerning kinetics at various physical scales (from macroscale to microscale onto mesoscale and nanoscale) affecting the kinematics of contacts are discussed. The broad range of considered applications includes vehicular powertrains, rotor bearings, electrical machines, mammalian endo-articular joints, nanobiological attachment/detachment, and locomotion. Current state-of-the-art tribological research is highlighted within a multi-physics, multi-scale framework, an approach not hitherto reported in the open literature.

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A Critical Review of Approaches to the Design of Floating-Liner Apparatus for Instantaneous Piston Assembly Friction Measurement

Cited by 2 publications

References 44 publications

An investigation on the friction losses between cylinder liner and piston rings

An investigation on the friction losses between cylinder liner and piston rings

Current and Future Trends in Tribological Research

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