Mathematical prediction of effects of gasoline composition on Reid Vapor Pressure, refueling emissions and their reactivity
Conference
·
OSTI ID:5603340
Concern over the impacts of changes in gasoline composition on refueling emissions stimulated a search for a simple technique to provide estimates of related fuel parameters. Accordingly, a mathematical computer model was developed based on the assumption that gasoline liquid-vapor equilibria can be predicted with reasonable accuracy from Raoult's law for ideal mixtures. Gasoline fuel parameters such as vapor pressure (including Reid Vapor Pressure, RVP), refueling loss, OH reactivity in forming atmospheric ozone pollution, and other fuel characteristics were addressed. The assumptions made and model results were validated by comparison to measured fuel parameters from 9 unleaded gasoline fuels. Extrapolations were made to illustrate fuel temperature and vapor/liquid ratio effects. Calculated RVP levels were found to be within 5% of measured values for the fuels evaluated. A complete listing of the model's source code written specifically for a Fortune 32:16 microcomputer is provided.
- OSTI ID:
- 5603340
- Report Number(s):
- CONF-860263-
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
023000* -- Petroleum-- Properties & Composition
33 ADVANCED PROPULSION SYSTEMS
330100 -- Internal Combustion Engines
330704 -- Emission Control-- Hydrocarbons
500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ABSTRACTS
ACTIVATION ENERGY
ATMOSPHERIC CHEMISTRY
CALIBRATION
CHEMICAL COMPOSITION
CHEMISTRY
COMPARATIVE EVALUATIONS
COMPUTERIZED SIMULATION
COMPUTERS
DISPERSIONS
DOCUMENT TYPES
ELECTRONIC CIRCUITS
ENERGY
ENGINES
EQUILIBRIUM
EVAPORATION
FLUID FLOW
FUELS
GASOLINE
HEAT ENGINES
HYDROXYL RADICALS
INTERNAL COMBUSTION ENGINES
LEADING ABSTRACT
LIQUID FLOW
LIQUID FUELS
MATHEMATICAL MODELS
MEETINGS
MICROELECTRONIC CIRCUITS
MICROPROCESSORS
MIXTURES
OZONE
PETROLEUM PRODUCTS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
PROGRAMMING
QUANTITY RATIO
RADICALS
SIMULATION
TEMPERATURE EFFECTS
THERMODYNAMIC PROPERTIES
UNLEADED GASOLINE
VAPOR PRESSURE
023000* -- Petroleum-- Properties & Composition
33 ADVANCED PROPULSION SYSTEMS
330100 -- Internal Combustion Engines
330704 -- Emission Control-- Hydrocarbons
500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ABSTRACTS
ACTIVATION ENERGY
ATMOSPHERIC CHEMISTRY
CALIBRATION
CHEMICAL COMPOSITION
CHEMISTRY
COMPARATIVE EVALUATIONS
COMPUTERIZED SIMULATION
COMPUTERS
DISPERSIONS
DOCUMENT TYPES
ELECTRONIC CIRCUITS
ENERGY
ENGINES
EQUILIBRIUM
EVAPORATION
FLUID FLOW
FUELS
GASOLINE
HEAT ENGINES
HYDROXYL RADICALS
INTERNAL COMBUSTION ENGINES
LEADING ABSTRACT
LIQUID FLOW
LIQUID FUELS
MATHEMATICAL MODELS
MEETINGS
MICROELECTRONIC CIRCUITS
MICROPROCESSORS
MIXTURES
OZONE
PETROLEUM PRODUCTS
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
PROGRAMMING
QUANTITY RATIO
RADICALS
SIMULATION
TEMPERATURE EFFECTS
THERMODYNAMIC PROPERTIES
UNLEADED GASOLINE
VAPOR PRESSURE