Effects of methanol/gasoline blends on hot weather driveability
Conference
·
OSTI ID:6513574
The effects of methanol/cosolvent/gasoline blends on hot weather driveability are surveyed. Results show that startability after engine-off soak drastically deteriorates in an EFI vehicle. By observing the behavior of the fuel in the delivery pipe during hot-start testing and the injected fuel spray shape at high fuel temperature, the authors confirmed that the main cause of this malfunction was the vapor lock in the injector nozzle. The relationship between hot weather driveability and fuel properties is discussed. The gasoline volatility expression commonly used to indicate deterioration in hot weather driveability was found to underestimate the increase in volatility of blended fuels at higher temperatures.
- Research Organization:
- Toyota Motor Corp.
- OSTI ID:
- 6513574
- Report Number(s):
- CONF-870204-
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
023000 -- Petroleum-- Properties & Composition
33 ADVANCED PROPULSION SYSTEMS
330101* -- Internal Combustion Engines-- Spark-Ignition
330800 -- Emission Control-- Alternative Fuels
ALCOHOLS
COMBUSTION CONTROL
CONTROL
ENGINES
EVAPORATION
FAILURE MODE ANALYSIS
FLUIDS
FUEL INJECTION SYSTEMS
FUEL SYSTEMS
FUELS
GASES
GASOHOL
GASOLINE
HEAT ENGINES
HYDROXY COMPOUNDS
INTERNAL COMBUSTION ENGINES
LIQUID FUELS
METHANOL
MIXING
OPERATION
ORGANIC COMPOUNDS
PERFORMANCE
PETROLEUM PRODUCTS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
SPARK IGNITION ENGINES
START-UP
SYSTEM FAILURE ANALYSIS
SYSTEMS ANALYSIS
TEMPERATURE EFFECTS
THERMODYNAMIC PROPERTIES
VAPORS
VOLATILITY
WEATHER
023000 -- Petroleum-- Properties & Composition
33 ADVANCED PROPULSION SYSTEMS
330101* -- Internal Combustion Engines-- Spark-Ignition
330800 -- Emission Control-- Alternative Fuels
ALCOHOLS
COMBUSTION CONTROL
CONTROL
ENGINES
EVAPORATION
FAILURE MODE ANALYSIS
FLUIDS
FUEL INJECTION SYSTEMS
FUEL SYSTEMS
FUELS
GASES
GASOHOL
GASOLINE
HEAT ENGINES
HYDROXY COMPOUNDS
INTERNAL COMBUSTION ENGINES
LIQUID FUELS
METHANOL
MIXING
OPERATION
ORGANIC COMPOUNDS
PERFORMANCE
PETROLEUM PRODUCTS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
SPARK IGNITION ENGINES
START-UP
SYSTEM FAILURE ANALYSIS
SYSTEMS ANALYSIS
TEMPERATURE EFFECTS
THERMODYNAMIC PROPERTIES
VAPORS
VOLATILITY
WEATHER