Role of Fuel Decomposition Products on Formation of Sequence IIIG Piston Deposits

Devlin, Mark T.; Dvorak, Todd; Sheets, Roger M.; Bell, Ian H.; Loper, John; Guevremont, Jeffrey M.; Guinther, Gregory H.

doi:10.4271/2010-01-2259

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Cited by 2 publications

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The Flow of Lubricant as a Mist in the Piston Assembly and Crankcase of a Fired Gasoline Engine: The Effect of Viscosity Modifier and the Link to Lubricant Degradation

Dyson,

Priest,

Lee

2024

Tribol Lett

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Droplet flows, termed misting, are significant lubrication flow mechanisms to, in and around the piston assembly. Therefore, these are important in piston assembly tribology and engine performance. Crankcase lubricant degradation rate has been hypothesised to be influenced by lubricant droplet flows through the piston assembly and crankcase, but not previously confirmed. Lubricant was sampled from the sump, top ring zone (TRZ), and mist and aerosol from the crankcase during an extended run. The physical and chemical degradation of these samples was characterised. Droplet flows were intermediate in degradation and fuel dilution between TRZ and sump. Flows with smaller droplet sizes were more degraded that those with larger droplets. The degradation of polymers was dependent on their molecular architecture.

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The Flow of Lubricant as a Mist in the Piston Assembly and Crankcase of a Fired Gasoline Engine: The Effect of Viscosity Modifier and the Link to Lubricant Degradation

Dyson,

Priest,

Lee

2024

Tribol Lett

View full text Add to dashboard Cite

show abstract

External Variables that Alter Engine Oil Life Monitoring Systems in On-Road Fleets

Lamon¹,

Zhang²

2013

SAE Technical Paper Series

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Role of Fuel Decomposition Products on Formation of Sequence IIIG Piston Deposits

Cited by 2 publications

References 12 publications

The Flow of Lubricant as a Mist in the Piston Assembly and Crankcase of a Fired Gasoline Engine: The Effect of Viscosity Modifier and the Link to Lubricant Degradation

The Flow of Lubricant as a Mist in the Piston Assembly and Crankcase of a Fired Gasoline Engine: The Effect of Viscosity Modifier and the Link to Lubricant Degradation

External Variables that Alter Engine Oil Life Monitoring Systems in On-Road Fleets

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