Cold start wear performance in methanol and gasoline engines
Book
·
OSTI ID:5899707
Rapid engine wear is one of the most serious problems associated in the commercial exploitation of carburetted, straight methanol spark ignited engines. The existing lubricants are reported to be deficient in the control of cylinder bore and piston ring wear. Whereas, extensive efforts have been made to develop improved lubricants, the problem of increased wear of methanol has not, as yet, been satisfactorily addressed. The various mechanisms proposed for this increased wear have been examined in this paper. It was recognized that the conditions which aggravate the wear of methanol engines are encountered during cold start and warm-up due to the differences in the volatility characteristics of this fuel. In this study, cold start wear tests were conducted in a cold room with temperature control ranging from +25/sup 0/C to -40/sup 0/C. Wear data of methanol engines, under starting conditions typical of the Canadian environment, are compared with data of a gasoline counterpart. The analysis of these data so obtained suggests that a temperature dependent theory is valid to explain the cold start wear results. Further, the cold start wear can be a significant portion of the total wear and is attributed to the direct attack of methanol on the cylinder walls in the first few seconds of engine operation.
- OSTI ID:
- 5899707
- Report Number(s):
- TP-850215
- Country of Publication:
- United States
- Language:
- English
Similar Records
Understanding the mechanism of cylinder bore and ring wear in methanol fueled SI engines
Cold starting tests on a methanol fuelled spark ignition engine
Engine wear with methanol fuel in a nitrogen-free environment
Conference
·
Tue Dec 31 23:00:00 EST 1985
·
OSTI ID:6875463
Cold starting tests on a methanol fuelled spark ignition engine
Journal Article
·
Mon Aug 01 00:00:00 EDT 1983
· SAE Spec. Publ.; (United States)
·
OSTI ID:6795545
Engine wear with methanol fuel in a nitrogen-free environment
Book
·
Sat Dec 31 23:00:00 EST 1983
·
OSTI ID:5927267
Related Subjects
090210 -- Alcohol Fuels-- Properties-- (1976-1989)
10 SYNTHETIC FUELS
33 ADVANCED PROPULSION SYSTEMS
330101* -- Internal Combustion Engines-- Spark-Ignition
330800 -- Emission Control-- Alternative Fuels
ALCOHOL FUELS
CANADA
CORROSIVE EFFECTS
CYLINDERS
DATA ANALYSIS
ENGINES
FUEL SUBSTITUTION
FUELS
GASOLINE
HEAT ENGINES
IGNITION
INTERNAL COMBUSTION ENGINES
LIQUID FUELS
LOW TEMPERATURE
LUBRICANTS
MEDIUM TEMPERATURE
METHANOL FUELS
NORTH AMERICA
PERFORMANCE TESTING
PETROLEUM PRODUCTS
PISTONS
SPARK IGNITION ENGINES
SYNTHETIC FUELS
TEMPERATURE DEPENDENCE
TESTING
VOLATILITY
WEAR
10 SYNTHETIC FUELS
33 ADVANCED PROPULSION SYSTEMS
330101* -- Internal Combustion Engines-- Spark-Ignition
330800 -- Emission Control-- Alternative Fuels
ALCOHOL FUELS
CANADA
CORROSIVE EFFECTS
CYLINDERS
DATA ANALYSIS
ENGINES
FUEL SUBSTITUTION
FUELS
GASOLINE
HEAT ENGINES
IGNITION
INTERNAL COMBUSTION ENGINES
LIQUID FUELS
LOW TEMPERATURE
LUBRICANTS
MEDIUM TEMPERATURE
METHANOL FUELS
NORTH AMERICA
PERFORMANCE TESTING
PETROLEUM PRODUCTS
PISTONS
SPARK IGNITION ENGINES
SYNTHETIC FUELS
TEMPERATURE DEPENDENCE
TESTING
VOLATILITY
WEAR