Entry and retention of methanol fuel in engine oil
Conference
·
OSTI ID:6760496
To ensure that vehicles do not suffer adverse consequences when high-methanol-content fuel (M100 or M85) is used, it is important to understand the ways that the use of this fuel affects various vehicle systems. For that reason, some of the changes which occur in the engine oil when using methanol fuel were investigated. During a single cold start with an extended cranking time, as much as six percent fuel entered the engine oil. Over a 15-minute period, the lubricating medium changed from engine oil to an oil-methanol-water emulsion. With multiple cold starts followed by a five-minute trip and ambient temperatures near freezing, the oil contained 19 percent volatile contamination. In addition, the oil contained elevated levels of water, lead, iron, chromium, and aluminum. Efforts need to be directed toward reducing the adverse consequences of methanol fuel.
- OSTI ID:
- 6760496
- Report Number(s):
- CONF-880241-
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
090210 -- Alcohol Fuels-- Properties-- (1976-1989)
10 SYNTHETIC FUELS
33 ADVANCED PROPULSION SYSTEMS
330100 -- Internal Combustion Engines
330800* -- Emission Control-- Alternative Fuels
ADDITIVES
ALCOHOLS
AUTOMOTIVE FUELS
CLIMATES
COLLOIDS
DISPERSIONS
EMULSIONS
ENGINES
FUEL ADDITIVES
FUEL SUBSTITUTION
FUELS
HEAT ENGINES
HYDROGEN COMPOUNDS
HYDROXY COMPOUNDS
IMPURITIES
INTERNAL COMBUSTION ENGINES
LUBRICANTS
LUBRICATING OILS
METHANOL
MIXING
OILS
OPERATION
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
PETROLEUM PRODUCTS
SOLVENT PROPERTIES
START-UP
WATER
10 SYNTHETIC FUELS
33 ADVANCED PROPULSION SYSTEMS
330100 -- Internal Combustion Engines
330800* -- Emission Control-- Alternative Fuels
ADDITIVES
ALCOHOLS
AUTOMOTIVE FUELS
CLIMATES
COLLOIDS
DISPERSIONS
EMULSIONS
ENGINES
FUEL ADDITIVES
FUEL SUBSTITUTION
FUELS
HEAT ENGINES
HYDROGEN COMPOUNDS
HYDROXY COMPOUNDS
IMPURITIES
INTERNAL COMBUSTION ENGINES
LUBRICANTS
LUBRICATING OILS
METHANOL
MIXING
OILS
OPERATION
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
OXYGEN COMPOUNDS
PETROLEUM PRODUCTS
SOLVENT PROPERTIES
START-UP
WATER