Development of a particulate emission factor model for European motor vehicles
Conference
·
OSTI ID:351690
- Univ. of Nottingham, Loughborough (United Kingdom)
A motor vehicle emission model for suspended particulate matter capable of collecting virtually all the existing knowledge on emissions from the European vehicle fleet, in particular for the United Kingdom, has been developed. It is written in FORTRAN90 and calculates exhaust, tire wear and brake wear particulate emission factors in gram per kilometer per vehicle from on-road vehicles. The model can be used to calculate the total suspended particulate matter and the concentration in four particle size ranges between 10 and 1 m (i.e., PM10, PM5, PM2.5 and PM1). It calculates the composite emission factors based on parameters such as vehicle fleet, speed, ambient temperature and driving cycle and also has the option to calculate detailed emission factors for all the vehicles individually. Emissions from a road can be calculated on a lane-by-lane basis and for available vehicle fleet structure data. The vehicle fleet data includes options based on observations, closed circuit television camera or average values for the country or region. The model can also be used near a signalized intersections and calculates emissions in user-defined element of the lane near a intersection. It takes into account the increased emissions from cold engines which are dependent on the ambient temperature and the driving cycle; and other particulate sources such as road dust, tire wears and brake wears. The modeled emission factors are very sensitive to speed and vehicular fleet composition. The model is validated on urban and rural roads of the United Kingdom.
- OSTI ID:
- 351690
- Report Number(s):
- CONF-970677--
- Country of Publication:
- United States
- Language:
- English
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