Mechanism of Induction System Deposit Formation

Dimitroff, E.; Johnston, A. A.

doi:10.4271/660784

Cited by 13 publications

(1 citation statement)

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“…In this case, the presence of used oil which is generally heavier provides the suitable condition for deposit formation (liquid phase) at the experimental temperature as well as the precursors to initiate deposi-tion. Unlike isooctane, which is a stable single component fuel, typical gasoline tail-end fraction generally contains nitrogen-and/or oxygen-bearing long-chain heavy hydrocarbons [8] which are potential deposit precursors. Similarly, Martin et al [9] reported that for cracked gasoline components, the content of aromatics, sulphur and nitrogen increased with the fraction distillation range and that the fraction above 190°C (tailend fraction) would produce the highest amount of deposit.…”

Section: Effects Of Gasoline Compositionmentioning

confidence: 99%

The effects of different gasoline blends doped with used engine oil on the forming tendency of simulated intake—valve deposits

Haji-Sulaiman

Mat-Isa

1999

Proceedings of the Institution of Mechanical Engineers, Part D:

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The effects of gasoline composition doped with a trace amount of used engine oil on the formation of simulated intake valve deposit have been investigated. Studies were performed using a bench top simulator. Oxygenated gasoline has been found to exhibit a high deposit-forming tendency. In addition to the amount, the nature of the deposit formed also depends on the type of fuel used. For oxygenated fuel, a dry carbonaceous deposit is usually formed instead of the polymeric deposit that is commonly obtained from non-oxygenated fuel.

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Section: Effects Of Gasoline Compositionmentioning

confidence: 99%